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Dell 960 Personal Computer User Manual

1. 1 riser card cage 2 handle 4 If you are installing a new card remove the filler bracket to create an empty card slot opening If you are replacing a card that is already installed in the computer remove the card If necessary disconnect any cables connected to the card Grasp the card by its corners and ease it out of its connector K NOTE See the documentation that came with the card for information on configuring the card making internal connections or customizing it for your computer 5 Prepare the new card for installation CAUTI ON Some network adapters automatically start the computer when they are connected to a network To guard against electrical shock be sure to unplug your computer from its electrical outlet before installing any cards 6 Press the release tab to raise the card retention latch release tab 2 card retention latch 1 3 card a cara edge connector 5 card connector PT 7 Insert the card firmly into the card connector on the riser card cage 8 Lower the card retention latch and press it into place securing the card s in the computer 9 Replace the riser card cage a Align the tabs in the side of the riser card cage with the slots on the side of the computer and slide the riser card cage down into place b Ensure that the riser cards are fully seated in the connectors on the system board riser cards 2 4 system board connectors 2 10 Reconnect any cables that you
2. Back to Contents Page Back to Contents Page Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual I O Assembly O Assembly Removing the I O Assembly CAUTION Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before removing the cover K NOTE Note the routing of all cables before disconnecting them so that you can re route them correctly when installing the new I O assembly 1 Perform the procedure Before Working on Your Computer 2 Remove the bezel by releasing the three securing tabs and rolling it away from the top edge of the computer securing tabs 3 3 Remove the optical drive see Removing an Optical Drive 4 Disconnect the I O assembly cables from the system board NOTICE When sliding the I O assembly out of the computer be extremely careful Carelessness may result in damage to the cable connectors and the cable routing clips 5 Press the tab that secures the I O assembly to the front panel and gently move the I O assembly away from the computer while guiding the I O assembly cables out of the chassis 1 0 assembly I O assembly cables connectors Pf Replacing the I O Assembly To rep
3. One PCle x1 card slot One connector for an internal wireless card Installing a PCI or PCle Card get J aa ee Pe K we i p A ga A 3 r i oa y rd A ros 1 PCle x16 card release lever securing tab for PCle cards PCle x16 card slot a PCle x1 card K NOTE Your Dell computer uses only PCI and PCle slots If you are replacing a card uninstall the driver for the existing card See the documentation that came with the card for instructions 1 Perform the procedure Before Working on Your Computer 2 Gently push the release tab on the card retention latch from the inside to pivot the latch open The latch will remain in the open position card retention latch alignment guide r card A release lever securing tab 5 card connector 6 release tab 3 If you are installing a new card remove the filler bracket to create a card slot opening Then continue with step 5 4 If you are replacing a card that is already installed in the computer remove the card If necessary disconnect any cables connected to the card 5 If your card includes a securing slot gently pull the release lever grasp the card by its top corners and ease it out of its connector 6 Prepare the new card for installation NOTE See the documentation that came with the card for information on configuring the card making internal connections or customizing it for your computer CAUTI ON Some network adapters automatically st
4. 10 See the documentation that came with the drive for instructions on installing any software required for drive operation 11 Verify that your computer works correctly by running the Dell Diagnostics see the Dell Technology Guide Remove the Bezel Lift the three front cover retention tabs to release the top edge of the cover Roll the cover down and lift it away from the chassis 1 bezet 2 retention tabs 3 Replacing the Bezel To replace the bezel insert the hooks at the bottom of the bezel into the slots provided at the base of the chassis and rotate the bezel toward the chassis until it snaps into place Back to Contents Page Back to Contents Page Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual I O Assembly O Assembly Removing the I O Assembly A CAUTION Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before removing the computer cover 1 Perform the procedure Before Working on Your Computer 2 Remove the hard drive and shroud assembly see Removing the Hard Drive and Shroud Assembly 3 Remove the optical drive see Removing an Optical Drive 4 Remove the floppy drive if installed see Remo
5. 13 Perform the procedure After Working on Your Computer DC Power Connectors DC Power Connector P1 13 14 15 16 17 18 19 20 21 22 23 24 E5 5 Cal 5 e f es f al E5 E E e5 E e e f Les e Cul Le a a A Pin Number INIA IAIA IV NIe 10 11 12 13 14 15 16 17 18 19 20 21 22 S07 amp Ew Me swe ded asvoe idiRea sve diRed sve idea 23 5 VDC Red Use 22 AWG wire instead of 18 AWG wire DC Power Connector P2 Signal Name 18 AWG Wire Signal Name an swe Sided DC Power Connector P5 and P6 Tm 94321 Pin Number Signal name 18 AWG Wire asvoe idea Back to Contents Page Back to Contents Page Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual Internal Speaker Internal Speaker Installing an Internal Speaker The internal speaker is an optional device A CAUTION Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance NOTICE To prevent static damage to components inside your computer discharge static electricity from your body before you touch any of your computer s electronic components You can do so by touching an unpainted metal surface on the computer chassis 1 Perform the procedure Before Working on
6. Disconnect any cables that will not reach the riser card cage once they are removed from the computer b Gently pull on the handle and lift the riser card cage up and away from the computer 1 riser card cage 2 handle 3 Press in on the tab to raise the card retention latch 4 If necessary disconnect any cables connected to the card 5 Grasp the card by its top corners and ease it out of its connector 6 If you are removing the card permanently install a filler bracket in the empty card slot opening K NOTE Installing filler brackets over empty card slot openings is necessary to maintain FCC compliance of the computer The brackets keep dust and dirt out of your computer and maintain the airflow that cools your computer 7 Lower the card retention latch and press it into place 8 Replace the riser card cage a Align the tabs in the side of the riser card cage with the slots on the side of the computer and slide the riser card cage down into place b Ensure that the riser cards are fully seated in the connectors on the system board slots riser cards 2 4 system board connectors 2 9 Perform the procedure After Working on Your Computer 10 Uninstall the card s driver See the documentation that came with the card for instructions 11 If you removed a sound card a Enter system setup select Audio Controller and change the setting to On see the Dell Technology Guide b Connect external audio
7. Removing the Desktop Computer Cover CAUTION Before you begin any of the procedures in this section read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before removing the computer cover 1 Perform the procedure Before Working on Your Computer 2 Ifa security cable or a padlock through the padlock ring is attached remove it K NOTE For convenience lay the computer on its side before working inside the chassis 3 Locate the cover release latch and slide it back as you lift the end of the cover near the latch 4 With the cover end near the latch raised slightly slide the cover toward the latch end of the chassis to pull the tabs at the other end of the cover out of the slots in the chassis CAUTI ON Graphics card heatsinks can become very hot during normal operation Ensure that a graphics card heatsink has had sufficient time to cool before you touch it padlock ring cover release latch Replacing the Desktop Computer Cover CAUTI ON Before you begin any of the procedures in this section read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance 1 Ensure t
8. 5 inch hard drive caddy in drive bay caddy j Replace the floppy drive or media card reader if it was installed see Installing a Floppy Drive or Installing a Media Card Reader 6 Route the hard drive power and data cables through cable channels and attach them to the cable bundle as needed 7 Replace the optical drive if it was installed see Installing an Optical Drive 8 Ensure that all cable connectors are properly seated and cables are routed through cable channels 9 Perform the procedure After Working on Your Computer 10 Reconnect power and I O devices to the computer as needed 11 Perform the following a Turn on the computer b When the computer boots press F2 to enter system Setup see the Dell Technology Guide for more information c Inthe Settings menu select Drives and select Drives in the sub menu d Enable the SATAI port if necessary If any settings were changed click Apply e Verify the that the SATA port information shown is correct f Insert a bootable medium into your boot drive g Click Exit 12 When the computer starts press F12 when prompted to enter the Boot Drive Menu 13 Select a bootable drive and continue 14 When the operating system loads partition and logically format your drive if necessary K NOTE For instructions see the documentation that came with your operating system 15 Test the hard drive by running the Dell Diagnostics see the Dell Technology Guide
9. Perform the procedure After Working on Your Computer Connect the AC power cable to the power supply AC power connector NOTI CE To connect a network cable plug the cable into the network wall jack and then plug it into the computer 20 Connect your computer and devices to electrical outlets and turn them on DC Power Connectors DC Power Connector P1 13 1 14 15 16 17 18 19 20 21 22 2 24 E5 E5 E5 E5 E5 al alla Cal Cala E5 E E E5 6 Cul e e Le e Calf E ie w oo Fv E aN M Pin Number Signal Name 18 AWG Wire Oo io INT OTUFRIWINTe meje e JO veces fe o e ded E 13 3 3V Orange optional 7 r T T T r 2 F e diRed 2 vectra ied oS veee Sided 24 Use 22 AWG wire instead of 18 AWG wire DC Power Connector P2 Pin Number Signal Name 18 AWG Wire DC Power Connector P3 Tm 94321 Pin Number Signal name 18 AWG Wire sve died Thermal Sensor P5 DC Power Connector P6 654321 Pin Number Signal name 18 AWG Wire Back to Contents Page Back to Contents Page Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual Internal Speaker Internal Speaker Installing an Internal Speaker The internal speaker is an optional device A CAUTION Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information
10. Your Computer A CAUTION Disconnect your computer and all attached devices from their electrical outlets 2 To mount the internal speaker press the locking tab position the speaker housing retention tabs under the grill retention tabs on the inside of the front panel and release the locking tab locking tab speaker housing retention tab 2 4 grill retention tab 2 system board speaker connector 2 3 Connect the speaker cable to the system board see System Board Components 4 Perform the procedure After Working on Your Computer 5 Boot the computer and check for acceptable speaker performance Removing an Internal Speaker A CAUTION Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance NOTICE To prevent static damage to components inside your computer discharge static electricity from your body before you touch any of your computer s electronic components You can do so by touching an unpainted metal surface on the computer chassis 1 Perform the procedure Before Working on Your Computer 2 Disconnect the speaker cable from the system board 3 To remove the internal speaker press the locking tab shift the speaker to move the speaker housing retention tabs out of the grill retention tabs and lift the speaker from the chassis 4 Pe
11. a 3 5 inch hard drive in the lower drive bay disconnect the cables from the secondary drive move the lower drive bay caddy to the upper drive bay connect the power cable and SATAO data cable to the drive b If the primary hard drive is a 2 5 inch hard drive unmount the secondary hard drive from the U shaped side of the 2 5 inch hard drive caddy and remount it on the flat side of the caddy see Replacing a Hard Drive Install the 2 5 inch hard drive caddy into the drive bay caddy and place it in the upper drive bay c Replace the computer cover d Reconnect your computer to power and other I O devices as needed e Boot your computer and press F2 when prompted to enter system Setup see the Dell Technology Guide f On the Settings menu select Drives and select Drives on the sub menu g Disable the SATA port for the secondary hard drive normally SATA1 h Click Apply then Exit i If the new primary hard drive is a bootable drive skip the rest of this step j Insert a bootable medium into a boot drive k Reboot your computer and press F12 when prompted to enter the Boot Device Menu l Select the drive with the bootable media and press Next m Format and or install bootable software on the primary hard drive Replacing a Hard Drive If a single hard drive is installed it may be a 3 5 inch or 2 5 inch hard drive When installing a second hard drive the hard drive being installed must be he same type 3 5 inch
12. devices such as an optical drive must be connected to the remaining SATA connectors numbered higher than the one that the hard drive s is connected to For example if you have two SATA hard drives and one SATA optical drive connect the two hard drives to the SATAO and SATA1 connectors and connect the SATA optical drive to the SATA2 connector See System Board Components for the location of SATA connectors on the system board Connecting Drive Cables When you install a drive you connect two cables a DC power cable and a data interface cable to the back of the drive Data I nterface Connectors SATA Connector 1 1 data interface cable connector 2 data interface connector Power Cable Connectors power input connector Connecting and Disconnecting Drive Cables When removing a cable with a pull tab grasp the colored pull tab and pull until the connector detaches When connecting and disconnecting a cable without a pull tab hold the cable by the black connector at each end Drive Bay I nserts Your computer will come with a plastic insert with shoulder screws and a metal insert Removing Drive Bay Inserts If you are installing a new drive 1 Perform the procedure Before Working on Your Computer 2 Press the insert retention tab on the inside of the bezel to release the drive bay insert Remove the drive bay insert from the front of the bezel 1 retention tab 2 drive bay insert Replacing Dri
13. devices to the audio connectors on the computer back panel 12 If you removed a network adapter card a Enter system setup select Network Controller and change the setting to On see the Dell Technology Guide b Connect the network cable to the integrated network connector on the back panel of the computer Internal Wireless Card Installation The internal wireless card is an optional device 1 wireless card assembly 2 wireless card cable to antenna Wi Fi external antenna connector 4 card retention clasp release To install the card do the following 1 Perform the procedure Before Working on Your Computer 2 If installed remove the filler plug covering the opening in the back panel for the Wi Fi external antenna connector 3 Locate the wireless card connector on the system board see System Board Components 4 Position the wireless card connector directly above the system board connector with cable edge of the card toward the back of the chassis 1 wireless card cable 2 Wi Fi external antenna connector wireless card assembly 4 wireless card connector 5 Insert the wireless card connector into the system board connector until the card retention clasp catches the metal loop on the side of the chassis and holds the card securely in place NOTI CE When routing the wireless card cable through the chassis avoid making sharp bends This can cause signal degradation 6 Route the wirele
14. fan cables to the system board NOTICE Ensure that the heatsink is correctly seated and secure heatsink assembly captive screw in housing 4 3 fan cable connectors D E 12 Ifthe system contained a wireless card that was removed in a previous step replace the card see Internal Wireless Card Installation 13 Reroute cables through guides on the fan shroud 14 Replace the optical drive see Replacing or Installing an Optical Drive 15 Replace the hard drive and shroud assembly see Replacing the Hard Drive and Shroud Assembly 16 Perform the procedure After Working on Your Computer Remove and Replace the Fan and Shroud Assembly The fan and shroud assembly can be removed and replaced without removing the heatsink 1 Perform the procedure Before Working on Your Computer 2 Remove the hard drive and shroud assembly see Removing the Hard Drive and Shroud Assembly 3 Remove the optical drive see Removing an Optical Drive 4 Ifan internal wireless card is installed unplug the card from the system board and move it and wireless card cable away from the fan shroud see Internal Wireless Card Removal 5 Remove cables routed through guides on the fan shroud 6 Disconnect the two fan cables from the system board see System Board Components 7 Remove the four screws that secure the fan and shroud assembly to the heatsink 8 Lift the fan and shroud assembly out of the chassis fan and shroud ass
15. for installation A CAUTION Some network adapters automatically start the computer when they are connected to a network To guard against electrical shock be sure to unplug your computer from its electrical outlet before installing any cards NOTE See the documentation that came with the card for information on configuring the card making internal connections or customizing it for your computer 6 Place the card in the connector and press down firmly Ensure that the card is fully seated in the slot A PCle x16 card PCle x16 DVI card system board card connector PP card fully seated card not fully seated bracket within slot 4 bracket caught outside of slot NOTICE Do not route card cables over the cards Cables routed over the cards can prevent the computer cover from closing properly or cause damage to the equipment 7 Connect any cables that should be attached to the card 8 Before you close the card retention mechanism ensure that The tops of all cards and filler brackets are flush with the alignment bar The notch in the top of the card or filler bracket fits around the alignment guide 9 Secure the card s by closing the card retention latch and snapping it into place 10 Perform the procedure After Working on Your Computer K NOTE See the documentation for the card for information about the card s cable connections 11 If you installed a sound card a Enter system setup select Integrated A
16. information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance NOTICE To prevent static damage to components inside your computer discharge static electricity from your body before you touch any of your computer s electronic components You can do so by touching an unpainted metal surface on the computer chassis 1 Perform the procedure Before Working on Your Computer 2 Disconnect the DC power cables from the system board and the drives Note the routing of the DC power cables underneath the tabs in the computer chassis as you remove them from the system board and drives You must route these cables properly when you replace them to prevent them from being pinched or crimped 3 Remove the two screws that attach the power supply to the back of the computer chassis 4 Remove the optical drive and carefully set it aside See Optical Drive 5 Press the release button located on the floor of the computer chassis release button AC power connector a screws a _ d_ power supply 6 Slide the power supply toward the front of the computer approximately one inch 7 Lift the power supply up and out of the computer 8 Slide the replacement power supply into place 9 Replace the screws that secure the power supply to the back of the computer chassis 10 Reconnect the DC power cables 11 Replace the optical drive see Optical Drive 12 Connect the AC power cable to the connector
17. information on the type of memory supported by your computer see the appropriate specifications for your system in this book DDR2 Memory Overview When installed in pairs DDR2 memory modules should be of matched memory size and speed If the DDR2 memory modules are not installed in matched pairs the computer will continue to operate but with a slight reduction in performance See the label on the upper right or upper left corner of the module to determine the module s capacity E NOTE Always install DDR2 memory modules in the order indicated on the system board The recommended memory configurations are o A pair of matched memory modules installed in DIMM connectors 1 and 2 or o A pair of matched memory modules installed in DIMM connectors 1 and 2 and another matched pair installed in DIMM connectors 3 and 4 NOTICE Do not install ECC memory modules If you install mixed pairs of PC2 5300 DDR2 667 MHz and PC2 6400 DDR2 800 MHz memory the modules function at the speed of the slowest module installed Be sure to install a single memory module in DIMM connector 1 the connector closest to the processor before you install modules in any other connector A matched pair of modules in DIMM matched pair of memory modules in connectors 1 and 2 white DIMM connectors 3 and 4 black securing clips securing clips NOTICE If you remove your original memory modules from the computer during a memory upgrade keep the
18. more information Removing the Hard Drive and Shroud Assembly 1 Perform the procedure Before Working on Your Computer 2 If cables are routed through the cable channel the side of the hard drive shroud remove them 3 Press in on the two blue securing tabs on each side of the drive caddy and lift the end near the heatsink assembly NOTICE Do not pull the drive out of the computer by the drive cables Doing so may cause damage to cables and the cable connectors 4 Lift the hard drive and shroud assembly out of the computer securing tabs 2 hard drive and shroud assembly 5 Disconnect the P3 power supply cable and the SATA cable s from the hard drive and shroud assembly If two 2 5 inch drives are installed note the drive connected to the SATAO connector on the system board see System Board Components Removing the Hard Drive 1 If you are removing a hard drive that contains data you want to keep back up your files before you begin this procedure 2 Perform the procedure Before Working on Your Computer 3 Lay the computer on its side so that the system board is on the bottom of the inside of the computer 4 Remove the hard drive and shroud assembly see Removing the Hard Drive and Shroud Assembly 5 If you are removing a 3 5 inch drive a Remove the old hard drive from the shroud by pulling out the release tabs slightly to free the drive from the shroud 3 5 hard drive hard drive shroud release tabs
19. properly with the socket and do not use excessive force when you install the processor 6 Set the processor lightly in the socket and ensure that the processor is positioned correctly 7 When the processor is fully seated in the socket close the processor cover Ensure that the tab on the processor cover is positioned underneath the center cover latch on the socket 8 Pivot the socket release lever back toward the socket and snap it into place to secure the processor 9 Replace the heatsink assembly see Replacing the Heatsink Assembly 10 Perform the procedure After Working on Your Computer Remove the Fan Assembly 1 Perform the procedure Before Working on Your Computer 2 Remove the heatsink assembly see Removing the Heatsink Assembly 3 Disconnect the fan cable from the system board see System Board Components 4 Lift press up the fan retention tab on the lower side of the fan assembly toward the bottom of the computer while pulling back away from the chassis the tab on the upper side of the fan assembly and simultaneously sliding the assembly toward the back of the chassis to release it from the chassis 1 fan assembly 5 Lift the fan assembly out of the chassis Replacing the Fan Assembly 1 Position the fan assembly in its mounting location such that slot retention tabs on the left side bottom in picture of the assembly are inserted into the slots in the left side of the chassis fan
20. see the Regulatory Compliance Homepage at www dell com regulatory_ compliance NOTICE To prevent static damage to components inside your computer discharge static electricity from your body before you touch any of your computer s electronic components You can do so by touching an unpainted metal surface on the computer chassis 1 Perform the procedure Before Working on Your Computer A CAUTION Disconnect your computer and all attached devices from their electrical outlets 2 To mount the internal speaker press the locking tab position the speaker housing retention tabs under the grill retention tabs provided inside of the front panel and release the locking tab 1 front panel grill retention tabs 2 speaker housing retention tabs seat elena 3 Connect the speaker cable to the system board see System Board Components 4 Perform the procedure After Working on Your Computer 5 Boot the computer and check for acceptable speaker performance Removing an Internal Speaker A CAUTION Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance NOTICE To prevent static damage to components inside your computer discharge static electricity from your body before you touch any of your computer s electronic components You can do so by touching an unpainte
21. system board see System Board Components 8 Perform the procedure After Working on Your Computer Back to Contents Page Back to Contents Page Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual Drives Drives NOTE If you are removing or adding a device that affects the hardware or RAID configuration of the system BIOS settings may need to be changed Refer to the Dell Technology Guide for more information Your computer supports One 3 5 inch SATA serial ATA hard drive or up to two 2 5 inch SATA hard drives in the hard drive bay One additional 3 5 inch SATA hard drive floppy drive or media card reader in the 3 5 inch drive bay One SATA optical drive One eSATA drive external K NOTE Due to the limited number of drive bays and controllers on this computer you cannot connect all supported devices at once NOTE If you will be operating your computer without an optical drive or a 3 5 inch device floppy drive or media card reader installed the appropriate drive bay insert must be installed in place of the drive Contact Dell if you need a drive bay insert 1 optical 2 optional floppy drive media card reader or second 3 5 drive hard drive a haraarive PO General I nstallation Guidelines for SATA Devices SATA connectors on the system board are labeled SATAO SATA1 and SATA2 Hard drives must be connected to the lower numbered SATA connectors while any other SATA
22. the SATA data cable to the drive and to the SATAO connector on the system board If two hard drives are installed in the hard drive and shroud assembly connect the SATA cable from the primary drive to the SATAO connector on the system board and the SATA cable from the secondary drive to the SATA1 connector 4 Check all connectors to ensure that they are properly cabled and firmly seated 5 Gently insert the hard drive and shroud assembly tabs into the alignment slots on the back of the chassis and rotate the assembly downward until it clicks into place 1 release tabs 2 2 hard drive and shroud assembly shroud alignment tabs and slots 3 Pie 6 Route the SATA data cable s and cables removed earlier through the cable channel on the side of the hard drive shroud Optical Drive A CAUTION Before you begin any of the procedures in this section read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before removing the computer cover Removing an Optical Drive 1 Perform the procedure Before Working on Your Computer 2 Lay the computer on its side so that the system board is on the bottom of the inside of the computer NOTICE Do not pull the drive out of the computer by the driv
23. the connector end of the drive toward the end of the caddy with the cable cutout back end Seman 2 r 3 ee Io ge d a 3 IL inch hard drive caddy flat side 2 5 inch hard drive connector end cable cutout A screwsi4 S b Secure the drive to the drive caddy with four screws two on each side c Attach the power cable adapter to the hard drive s installed in the caddy power cable adapter d Install the 2 5 inch hard drive caddy into the drive bay caddy by gently bending out the release tabs on the side of the caddy and positioning the 2 5 inch hard drive caddy in the drive bay caddy The pins inside the drive bay caddy should align with the holes on the sides of the 2 5 inch hard drive caddy and the connector end of the hard drive should face the back of the drive bay caddy 2 5 hard drive caddy 2 5 hard drive s amenna fe a sive boy cad 4 Connect the power and data cables to the drive s When installing the primary hard drive ensure that the data cable is attached to the SATAO connector on the system board 5 Lower the drive bay caddy into the drive bay and slide it forward until it clicks into place 6 Route the hard drive power and data cables through cable channels and attach them to cable bundles as needed 7 Replace the floppy drive or media card reader if it was installed see Installing a Floppy Drive or Installing a Media Card Reader 8 Replace the optical drive if it was
24. then plug it into the computer 11 If you removed a network adapter card connector a Enter system setup select Integrated NIC from the Onboard Devices group and change the setting to On see the Dell Technology Guide b Connect the network cable to the integrated network connector on the back panel of the computer Internal Wireless Card Installation The internal wireless card is an optional device wireless card assembly wireless card cable to antenna Wi Fi external antenna connector 4 card retention clasp release card retention clasp pf To install the card do the following 1 Perform the procedure Before Working on Your Computer 2 If installed remove the filler plug covering the opening in the back panel for the Wi Fi external antenna connector 3 Locate the wireless card connector on the system board see System Board Components 4 Position the wireless card connector directly above the system board connector with cable edge of the card toward the back of the chassis 5 Insert the wireless card connector into the system board connector until the card retention clasp catches the metal loop on the side of the chassis and holds the card securely in place 3 lt lt a te D la t Ay 48 Bete A P wireless card cable cable guides on hard drive shroud Wi Fi external antenna connector 4 wireless card assembly wireless card connector E NOTI CE When routing the wireless card cable through
25. through cable guides to provide airflow for the fan and cooling vents 9 Perform the procedure After Working on Your Computer 10 See the documentation that came with the drive for instructions on installing any software required for drive operation 11 Enter system setup and select the appropriate Drive option see the Dell Technology Guide 12 Verify that your computer works correctly by running the Dell Diagnostics see the Dell Technology Guide Floppy Drive CAUTION Before you begin any of the procedures in this section read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before removing the computer cover Removing a Floppy Drive 1 If the floppy drive you are removing will not be replaced a Boot your computer and press F2 when prompted to enter system Setup see the Dell Technology Guide b On the Settings menu select Drives then Diskette Drive c Choose the option to Disable the floppy drive d Click Apply then Exit e Reboot your computer and power it off 2 Perform the procedure Before Working on Your Computer 3 Remove the optical drive see Removing an Optical Drive NOTICE Do not pull the drive out of the computer by the drive cables Doing so may cause
26. toward the cable cutout end of the drive bay caddy 1 13 5 hard drive 2 hard drive connectors drive bay caddy cable cutout end LG 6 If installing a 2 5 inch hard drive a Position the new hard drive into the 2 5 inch hard drive caddy If the hard drive being installed is the primary hard drive install the drive on the flat side of the caddy with the label plate facing away from the caddy If the 2 5 inch hard drive being installed is the secondary hard drive install the drive on the U shaped side of the caddy with the label plate toward the caddy Whether installing a primary or secondary 2 5 inch hard drive always orient the drive so that the connector end is toward the end of the caddy with the cable cutout 1 2 5 inch hard drive caddy flat 2 2 5 inch hard drive primary drive side up shown end of caddy with cable cutout screws 4 1 2 5 inch hard drive caddy U 2 2 5 inch hard drive secondary shaped side up drive shown end of caddy with cable cutout___ 4 screws 4 b Secure the drive to the drive caddy with four screws two on each side c Connect a power cable y adapter to the hard drive s installed in the caddy A eC ii d 1 powercable adapter d o d Install the 2 5 inch hard drive caddy into the drive bay caddy with the U shaped side toward the inside of the drive bay caddy The pins inside the drive bay caddy should align with the holes on the sides of the 2 5 inch hard driv
27. withdrawing it from the opening Remove the wireless card cable from its routing path Grasp the wireless card assembly at the ends press down the card retention clasp release and lift the card to unplug it from the system board wireless card connector Remove the wireless card assembly from the chassis Close the opening for the Wi Fi external antenna connector with the plug provided for the computer Contact Dell for a replacement plug if none is available Replace the computer cover I nstalling a Second External Serial Port If adding an external serial port using a serial connector mounted on a slot filler bracket connect the internal cable of the connector to the internal serial port connector on the system board see System Board Components Back to Contents Page Back to Contents Page Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual Chassis Intrusion Switch Chassis Intrusion Switch CAUTION Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance Removing the Chassis Intrusion Switch 1 Perform the procedure Before Working on Your Computer 2 Remove the computer cover see Removing the Small Form Factor Computer Cover 3 Remove the hard drive and shroud assembly see Removing the Hard Drive and Shroud Assembly 4
28. 0o00 A possible motherboard failure Unplug the computer Allow one minute for the power to drain Plug the computer into a working has occurred electrical outlet and press the power button If the problem persists contact Dell see Contacting Dell j Off 0900 A possible motherboard 1 Power off computer leaving the computer plugged in Press and hold the power supply test button power supply or peripheral on the rear of the power supply unit If the LED next to the switch illuminates the problem may be failure has occurred with your motherboard Contact Dell see Contacting Dell 2 Ifthe LED next to the switch does not illuminate disconnect all internal and external peripherals and press and hold the power supply test button If it illuminates there could be a problem with a peripheral Contact Dell see Contacting Dell 3 If the LED still does not illuminate remove the PSU connections from the motherboard then press a and hold the power supply button If it illuminates there could be a problem with the motherboard Blinking Amber Contact Dell see Contacting Dell 0009 No CPU detected o Steady Amber o0o09 Memory modules are detected but a memory power failure has occurred Steady Amber Q A possible CPU or motherboard failure has occurred Steady Amber Q BIOS may be corrupt or missing Steady Amber OOO A possible motherboard failure has occurred Steady Amber OOO Power connector not in
29. 1 securing clips 2 2 hard drive drive bay caddy a rs c Lift the drive bay caddy out of the computer and disconnect the power and data cables from the drive d Remove the 2 5 inch hard drive caddy from the drive bay caddy by gently bending out the release tabs on the side of the caddy and lifting out the 2 5 inch hard drive caddy 1 2 5 inch hard drive and 2 5 inch hard drive caddy release tabs lene my eaaay E e The secondary 2 5 inch hard drive is mounted on the U shaped side of the 2 5 inch hard drive caddy Disconnect the power cable y adapter from the secondary hard drive f Remove the secondary drive from the caddy by removing the four retaining screws two on each side of the drive 6 Perform the procedure After Working on Your Computer ee ie Al y J p A l S 1 secondary 2 5 hard drive 2 2 5 inch hard drive caddy Installing a Secondary Hard Drive K NOTE Secondary hard drives must be the same type of drive 3 5 inch or 2 5 inch as the primary hard drive 1 Unpack the replacement hard drive and prepare it for installation Use the documentation provided for the drive and configure it for your computer 2 Perform the procedure Before Working on Your Computer NOTE Since the following steps do not require the complete removal of the optical drive and the floppy drive it is not necessary to disconnect the cables connecting the two drives 3 Remove the optical drive if inst
30. 2 ee b Install a replacement primary hard drive Go to Replacing a Hard Drive and skip the rest of this procedure 6 If you are removing a 2 5 inch drive a Remove the 2 5 inch hard drive caddy from the shroud by slightly pulling out the release tabs to free the caddy 2 5 hard drive with caddy 2 hard drive shroud 1 Merer b Detach the hard drive to be removed from the 2 5 inch hard drive caddy by removing the four screws two on each side that secure it to the caddy The primary hard drive is mounted on the flat side of the 2 5 inch hard drive caddy and the secondary hard drive is mounted on the U shaped side 1 2 5 inch hard drive mounted as the secondary 2 2 5 inch hard drive drive caddy c If the primary 2 5 inch hard drive was removed and will be replaced by the secondary hard drive installed on the caddy remove the secondary drive and install it on the mount it on the flat side of the 2 5 inch hard drive caddy d If the primary 2 5 inch hard drive was removed and no secondary hard drive was installed install a primary hard drive Go to Replacing a Hard Drive and skip the rest of this procedure e Install the 2 5 inch hard drive caddy into the shroud by slightly pulling out the release tabs and aligning the pins inside the shroud with the holes on the sides of the 2 5 inch hard drive caddy 2 5 hard drive with caddy hard drive shroud pins 2 on each side 4 release tabs 2 f Install the hard
31. 5 inch hard drive is installed with the primary 2 5 inch hard drive in the drive bay 1 If you are removing a hard drive that contains data you want to keep back up your files before you begin this procedure 2 Perform the procedure Before Working on Your Computer K NOTE Since the following steps do not require the complete removal of the optical drive and the floppy drive it is not necessary to disconnect the cables connecting the two drives 3 Remove the optical drive if installed See Removing an Optical Drive 4 If the secondary drive is a 3 5 inch hard drive a Lift the drive release latch and slide the drive toward the front of the computer Then lift it out of the chassis NOTICE Do not pull the drive out of the computer by the drive cables Doing so may cause damage to cables and the cable connectors drive release latch 5 If the secondary hard drive is a 2 5 inch hard drive it is mounted on the U shaped side of the 2 5 inch hard drive caddy in the drive bay caddy To remove it a Remove the floppy drive or media card reader if installed see Removing a Floppy Drive or Removing a Media Card Reader b Disengage the drive bay caddy from the chassis by pressing in on the securing clips on each side of the caddy and sliding the caddy towards the back of the computer NOTICE Do not pull the drive out of the computer by the drive cables Doing so may cause damage to cables and the cable connectors
32. CI E slots and restart the computer If the computer boots add the peripheral cards back one by one until you find the bad one If the problem persists the motherboard is probably bad Contact Dell see Contacting Dell Reseat the 2x2 power connector from the power supply unit If the system still fails to boot contact Dell see Contacting Dell Remove all peripheral cards from the PCI and PCI E slots and restart the computer If the computer boots add the peripheral cards back one by one until you find the bad one If the problem persists the motherboard is probably bad Contact Dell see Contacting Dell Disconnect all internal and external peripherals and restart the computer If the computer boots add the peripheral cards back one by one until you find the bad one Contacting Dell If the problem persists the motherboard is probably bad Contact Dell see Contacting Dell Remove the coin cell battery for one minute reinstall the battery and restart If the problem persists contact Dell see Contacting Dell 01010 The computer is in a normal on Ensure that the display is connected and powered on condition Ifthe problem persists contact Dell see Contacting Dell a The diagnostic lights are not lit a after the computer successfully boots to the operating system Steady Blue 01901910 A possible processor failure Reseat the processor see Processor information for your computer has occurred If the pro
33. Dell OptiPlex 960 Service Manual Mini Tower Computer Desktop Computer Small Form Factor Computer Back to Contents Page Battery Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual Replacing the Battery Replacing the Battery CAUTION Before you begin any of the procedures in this section read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance NOTICE To prevent static damage to components inside your computer discharge static electricity from your body before you touch any of your computer s electronic components You can do so by touching an unpainted metal surface on the computer chassis A coin cell battery maintains computer configuration date and time information The battery can last several years The battery may need replacing if an incorrect time or date is displayed during the boot routine along with a message such as Time of day not set please run SETUP program or Invalid configuration information please run SETUP program or Strike the Fl key to continue F2 to run the setup utility To determine whether you need to replace the battery reenter the time and date in system setup and exit the program to save the information Turn off your computer and disconnect it from the electrical outlet for a few hours then reconnec
34. Disconnect the chassis intrusion switch cable from the system board 5 Slide the chassis intrusion switch out of its slot in the metal bracket and then push it down through the square hole in the bracket to remove the switch and its attached cable from the computer K NOTE You may feel a slight resistance as you slide the switch out of the slot Replacing the Chassis Intrusion Switch 1 Gently insert the switch from underneath the metal bracket into the square hole in the bracket and then slide the chassis intrusion switch into its slot until it snaps securely into place 2 Reconnect the cable to the system board 3 Replace the computer cover see Replacing the Small Form Factor Computer Cover Resetting the Chassis Intrusion Detector 1 Turn on or restart your computer 2 When the DELL logo appears press lt F2 gt immediately If you wait too long and the operating system logo appears continue to wait until you see the Microsoft Windows desktop Then shut down your computer and try again 3 Inthe Settings menu select Security then Chassis Intrusion Use the tab arrow and space bar keys to choose the option you prefer If you changed the setting move to the Apply button and press Enter E NOTE The default setting is On Silent 4 Save your BIOS settings and exit system setup Back to Contents Page Back to Contents Page Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Ma
35. Since the following steps do not require the complete removal of the optical drive it is not necessary to disconnect the cables connecting the optical drive 2 Remove the optical drive if one exists and carefully set it aside see Removing an Optical Drive NOTICE Do not pull the drive out of the computer by the drive cables Doing so may cause damage to cables and the cable connectors 3 Disconnect the power and data cable from the media card reader and from the system board 4 drive release latch 5 If you are not replacing the media card reader at this time install the 3 5 inch drive bay insert see Replacing Drive Bay Inserts Contact Dell if you need a drive bay insert Installing a Media Card Reader 1 If you are installing a new drive or media card reader a Remove the drive bay inserts see Removing Drive Bay Inserts b Remove the four shoulder screws from the drive bay insert c Pull to remove the 3 5 inch drive bay insert that should be installed in the drive bay 2 If you are replacing an existing media card reader Remove the four shoulder screws from the existing media card reader 3 Insert the four shoulder screws into the sides of the new media card reader and tighten them slot verification number 5 Attach the power and data cable to the media card reader and system board connector power and data cable 6 Replace the optical drive see Optical Drive 7 Check all cable c
36. TA optical drive connect the two hard drives to the SATAO and SATA1 connectors and connect the SATA optical drive to the SATA2 connector See System Board Components for the location of SATA connectors on the system board Connecting Drive Cables When you install a drive you connect two cables a DC power cable and a data interface cable to the back of the drive Data I nterface Connectors SATA Connector data interface cable connector data interface connector Power Cable Connectors ay J 1 power cable 2 power input connector Connecting and Disconnecting Drive Cables When removing a cable with a pull tab grasp the colored pull tab and pull until the connector detaches When connecting and disconnecting a cable without a pull tab hold the cable by the black connector at each end Hard Drive The OptiPlex 960 mini tower chassis support either one or two 3 5 inch hard drives or one or two 2 5 inch hard drives If a single hard drive is installed it may be a 3 5 inch or 2 5 inch hard drive When installing a second hard drive the hard drive being installed must be he same type 3 5 inch or 2 5 inch as the drive in the chassis A CAUTION Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance CAUTION To guard against electrical shock
37. Tower Desktop Small Form Factor Service Manual Cards Cards A CAUTION Before you begin any of the procedures in this section read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance NOTICE To prevent static damage to components inside your computer discharge static electricity from your body before you touch any of your computer s electronic components You can do so by touching an unpainted metal surface on the computer chassis K NOTE Installing filler brackets over empty card slot openings is necessary to maintain FCC compliance of the computer The brackets help to keep foreign objects out of your computer and help direct airflow for cooling Your Dell computer supports a PS 2 serial port adapter and provides the following connectors for PCI and PCI Express PCIe cards One low profile PCI card slot One low profile PCle x16 card slot One connector for an internal wireless card PCI and PCle Cards 1 PCle x16 card release lever securing tab for PCle cards 3 PCle x16 card slot 4 PCle x1 card Installing a PCI Card 1 FPerform the procedure Before Working on Your Computer K NOTE For PCI card locations see System Board Components 2 Gently lift the release tab on the card retention latch from the inside and pivot the latch open chu h corde connect card
38. access to the system board optical drive s floppy drive hard drive I O assembly as applicable 3 Remove the processor and heatsink assembly Mini tower see Processor Desktop see Processor Small form factor see Processor 4 Disconnect all cables from the system board 5 Remove the screws from the system board Mini tower see Mini Tower System Board Screws Desktop see Desktop System Board Screws Small form factor see Small Form Factor System Board Screws 6 Slide the system board assembly toward the front of the computer and then lift the board up and away Mini Tower System Board Screws hel 1 mini tower system board 2 screws 11 7 on system board 2 on retention bar 2 on heatsink shroud Desktop System Board Screws 1 desktop system board 2 screws 11 7 for system board 4 for heatsink Small Form Factor System Board Screws 1 small form factor system board 2 screws 8 4 for system board 4 for heatsink Place the system board assembly that you just removed next to the replacement system board to ensure it is identical Replacing the System Board Mini Tower Desktop and Small Form Factor Computers 1 Gently align the board into the chassis and slide it toward the back of the computer 2 Replace the screws on the system board 3 Replace any components and cables that you removed from the system board 4 Reconnect all cables to their con
39. al drive if one exists and carefully set it aside see Removing an Optical Drive NOTICE Do not pull the drive out of the computer by the drive cables Doing so may cause damage to cables and the cable connectors 4 Pull up on the drive release latch and slide the floppy drive toward the back of the computer Remove the drive from the computer 1 drive release latch 2 floppy drive 5 Disconnect the power and data cables from the back of the floppy drive 6 If you are not replacing the floppy drive or media card reader at this time install the floppy drive bay inserts see Replacing Drive Bay Inserts Contact Dell if you need a drive bay insert Installing a Floppy Drive 1 If you are installing a new floppy drive a Remove the drive bay insert see Removing Drive Bay Inserts b Remove the four shoulder screws from the drive bay insert 2 If you are replacing an existing floppy drive Remove the four shoulder screws from the existing drive or media card reader 3 Install the four shoulder screws onto the sides of the new floppy drive and tighten them 4 Attach the power and data cables to the floppy drive Ensure that the other end of the cable attaches to the DSKT2 connector on the system board see System Board Components 5 Align the shoulder screws with the screw guides and slide the drive into the bay until it clicks into place A slot verification number 6 Route the floppy drive data cab
40. all cable connectors are properly seated and cables are routed through cable channels Perform the procedure After Working on Your Computer Reconnect power and I O devices to the computer as needed Perform the following a Turn on the computer b When the computer boots press F2 when prompted to enter system Setup see the Dell Technology Guide for more information c Inthe Settings menu select Drives and select Drives in the sub menu d Enable the SATA1 port if necessary to support a secondary hard drive If any settings were changed click Apply e Verify that the SATA port information displayed is correct f If anon bootable primary hard drive was installed insert a bootable medium into your boot drive g Click Exit If necessary press F12 when the computer starts to enter the Boot Drive Menu Select a bootable drive and continue When the operating system loads partition and logically format your new drive if necessary K NOTE For instructions see the documentation that came with your operating system Test the hard drive by running the Dell Diagnostics see the Dell Technology Guide Install a bootable operating system on the primary hard drive if necessary Refer to documentation provided with the operating system Replacing the Hard Drive and Shroud Assembly Connect the P3 power cable from the power supply to the drive s If one hard drive is installed in the hard drive and assembly connect
41. alled see Optical Drive 4 Ifthe secondary drive is a 3 5 inch hard drive a Ifa floppy drive or media card reader is installed remove it and the data cables connected to it see Removing a Floppy Drive or Removing a Media Card Reader Install a drive bay insert into the bezel opening vacated by removing the drive see Replacing Drive Bay Inserts b Install four shoulder screws onto the hard drive two on each side Shoulder screws may be found on the inside of the drive bay insert or on a previously removed 3 5 inch hard drive K ty c Connect the P4 power cable to a power cable adapter and connect the adapter to the hard drive d Connect the SATA data cable to the hard drive and to the SATA1 connector on the system board see System Board Components e Lower the hard drive into the floppy drive media card reader bay Slide the drive toward the back of the chassis until it locks into place 5 If installing 2 5 inch hard drives as the secondary hard drive a Press in on the two securing clips on each side of the drive bay caddy and slide the caddy towards the back of the computer NOTICE Do not pull the drive out of the computer by the drive cables Doing so may cause damage to cables and the cable connectors securing clips 2 hard drive bay caddy pop b Lift the drive bay caddy out of the computer and disconnect the power and data cables from the drive s c Remove the 2 5 inch hard drive caddy fr
42. always unplug your computer from the electrical outlet before removing the computer cover NOTICE To avoid damage to the drive do not set it on a hard surface I nstead set the drive on a surface such as a foam pad that will sufficiently cushion it NOTICE When handling 2 5 inch hard drives avoid pressing on the metal side drive label This can cause serious damage to the drove TO gt NOTE For systems configured for RAID operation removing or adding a drive may affect the RAID configuration Refer to the Dell Technology Guide for more information Removing a Hard Drive The drive to be removed may be a 3 5 inch hard drive installed in the upper drive bay or lower drive bay or 2 5 inch hard drive in the upper bay and may be a primary drive or secondary drive The upper drive bay always contains the primary hard drive and if a drive is installed in the lower drive bay it is always configured as a secondary hard drive When two 2 5 inch hard drives are installed in the system as primary and secondary drives both are mounted on the same 2 5 inch hard drive caddy and it is installed in the upper drive bay 1 If you are removing a hard drive that contains data you want to keep back up your files before you begin this procedure 2 Perform the procedure Before Working on Your Computer 3 Disconnect the power cables from the drive s in the bay holding the drive being removed If removing a 2 5 inch hard drive disconnec
43. art the computer when they are connected to a network To guard against electrical shock be sure to unplug your computer from its electrical outlet before installing any cards 3 securing siot ot al caras ae 7 Place the card in the connector and press down firmly Ensure that the card is fully seated in the slot card fully seated card not fully seated A filler bracket within slot A filler bracket caught outside of slot 8 Before you lower the card retention mechanism ensure that The tops of all cards and filler brackets are flush with the alignment bar The notch in the top of the card or filler bracket fits around the alignment guide 9 Secure the card s by reseating the card retention latch and snapping it into place NOTI CE Do not route card cables over or behind the cards Cables routed over the cards can prevent the computer cover from closing properly or cause damage to the equipment 10 Connect any cables that should be attached to the card See the documentation for the card for information about the card s cable connections 11 Reseat the card retention latch 12 Perform the procedure After Working on Your Computer 13 If you installed a sound card a Enter system setup select Audio Controller and change the setting to Off see the Dell Technology Guide for more information on system setup b Connect external audio devices to the sound card s connectors Do not connect external audi
44. assembly slot retention tab 4 2 Push the fan toward the left side of the computer down in picture and slide it toward the front panel until it clicks into place 3 Connect the fan cable to the system board see System Board Components 4 Replace the heatsink assembly see Replacing the Heatsink Assembly 5 Perform the procedure After Working on Your Computer Back to Contents Page Back to Contents Page Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual Drives Drives K NOTE If you are removing or adding a device that affects the hardware or RAID configuration of the system BIOS settings may need to be changed Refer to the Dell Technology Guide for more information Your computer supports Up to Two 3 5 inch or up two 2 5 inch SATA Serial ATA hard drives One 3 5 inch floppy drive or media card reader Two 5 25 inch SATA optical drives One eSATA drive external connector on back panel optical drive 3 5 inch drive or media card reader ene ee PT General I nstallation Guidelines for SATA Devices SATA connectors on the system board are labeled SATAO SATA1 SATA2 and SATA3 Hard drives must be connected to the lower numbered SATA connectors while any other SATA devices like an optical drive must be connected to the remaining SATA connectors numbered higher than the one that the hard drive s is connected to For example if you have two SATA hard drives and one SA
45. assis Intrusion Detector NOTE If an administrator password has been assigned by someone else contact your network administrator for information on resetting the chassis intrusion detector Back to Contents Page Back to Contents Page Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual Processor Processor CAUTION Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance NOTICE To prevent static damage to components inside your computer discharge static electricity from your body before you touch any of your computer s electronic components You can do so by touching an unpainted metal surface on the computer chassis Removing the Heatsink Assembly The heatsink assembly is comprised of the heatsink and the fan and shroud assembly 1 Perform the procedure Before Working on Your Computer 2 Disconnect the fan cable from the system board see System Board Components 3 If cables are routed through the cable guides on the back of the fan shroud remove them from the guides 4 Loosen the four captive screws one on each corner of the heatsink assembly A CAUTION The heatsink assembly may be very hot during normal operation Be sure that it has had sufficient time to cool before you touch it 5 Lift the heatsink assembly upward to remove
46. at the memory modules to ensure that your computer is successfully communicating with the memory Ensure that you are following the memory installation guidelines Ensure that the memory you are using is supported by your computer For more information about the type of memory supported by your computer see Mini Tower Computer Specifications Desktop Computer Specifications or Small Form Factor Computer Specifications Run the Dell Diagnostics see Dell Diagnostics Lockups and Software Problems NOTE The procedures in this document were written for the Windows default view so they may not apply if you set your Dell computer to the Windows Classic view The computer does not start up Ensure that the power cable is firmly connected to the computer and to the electrical outlet A program stops responding End the program 1 Press lt Ctri gt lt Shift gt lt Esc gt simultaneously to access the Task Manager and click the Applications tab 2 Click to select the program that is no longer responding and click End Task A program crashes repeatedly K NOTE Most software includes installation instructions in its documentation or on a floppy disk CD or DVD Check the software documentation If necessary uninstall and then reinstall the program A program is designed for an earlier Microsoft Windows operating system Run the Program Compatibility Wizard 1 Click Start Control Panel Programs Us
47. ation see the Regulatory Compliance Homepage at www dell com regulatory_compliance 1 Ensure that all cables are connected and fold cables out of the way Gently pull the power cables toward you so that they do not get caught underneath the drives 2 Ensure that no tools or extra parts are left inside the computer 3 To replace the cover a Align the bottom of the cover with the hinge tabs located along the bottom edge of the computer b Using the hinge tabs as leverage rotate the cover downward to close it Snap the cover into place by pulling back on the cover release latch and then releasing the latch when the cover is properly seated d Ensure that the cover is seated correctly before moving the computer NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 4 Attach the computer stand if applicable For instructions see the documentation that came with the stand 5 Connect your computer and devices to electrical outlets and turn them on After you remove and replace the cover the chassis intrusion detector optional on some computers if installed and enabled causes the following message to appear on the screen at the next computer start up ALERT Cover was previously removed Reset the chassis intrusion detector by changing Chassis Intrusion to On or On Silent See Resetting the Chassis Intrusion Detector NOTE If an administrator passw
48. battery connector by pressing down firmly on the positive side of the connector b While supporting the battery connector press the battery tab away from the positive side of the connector and pry the battery it up out of the securing tabs at the negative side of the connector system battery positive side of battery connector battery socket tab 4 battery socket 6 Install the new system battery a Support the battery connector by pressing down firmly on the positive side of the connector b Hold the battery with the facing up and slide it under the securing tabs at the positive side of the connector c Press the battery straight down into the connector until it snaps into place 7 Perform the procedure After Working on Your Computer 8 Enter system setup see the Dell Technology Guide and restore the settings you recorded in step 1 9 Properly dispose of the old battery as described in the safety information that shipped with your computer Back to Contents Page Back to Contents Page Contacting Dell Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual To contact Dell for sales technical support or customer service issues L Visit support dell com Verify your country or region in the Choose a Country Region drop down menu at the bottom of the page Click Contact Us on the left side of the page Select the appropriate service or support link based on your need Choose t
49. blem persists contact Dell see Contacting Dell Steady Blue QQ Memory modules are If two or more memory modules are installed remove the modules see your service manual then detected but a memory failure reinstall one module see your service manual and restart the computer If the computer starts has occurred normally continue to install additional memory modules one at a time until you have identified a i faulty module or reinstalled all modules without error AP If available install working memory of the same type into your computer See your service manual 4 If the problem persists contact Dell see Contacting Dell Steady Blue O O A possible graphics card Reseat any installed graphics cards see the Cards section for your computer failure has occurred If available install a working graphics card into your computer If the problem persists contact Dell see Contacting Dell Steady Blue Q A possible floppy drive or hard Reseat all power and data cables drive failure has occurred Steady Blue o0 A possible USB failure has Reinstall all USB devices and check all cable connections occurred Steady Blue ODOQO No memory modules are If two or more memory modules are installed remove the modules see your service manual then detected reinstall one module see your service manual and restart the computer If the computer starts normally continue to install additional memory modules one at a t
50. cable connectors Pf K NOTE Use the guides on the I O assembly bracket to help position the I O assembly in place and use the notch on the I O assembly bracket to help seat the panel 5 With the I O assembly positioned in the opening and flush with the front panel of the chassis slide it toward the left side of the computer down fully then slide it toward the right side of the computer up until it slips into place The hole in the tabbed end of the assembly should align with the screw hole in the front of the chassis 6 Install a screw through the tab and into the front panel to secure the assembly to the chassis 7 Plug the I O assembly cable connectors into their system board connectors see System Board Components 8 Join the I O assembly cables to the cable bundle routed through the middle of the chassis 9 Replace the bezel see Replace the Bezel 10 Replace the optical drive if removed earlier see Replacing or Installing an Optical Drive 11 Replace the drive bay caddy 12 Replace the drive bezel see Replace the Drive Bezel 13 Perform the procedure After Working on Your Computer 14 Reboot your computer and exercise the I O panel to ensure that it is working properly Remove the Bezel 1 Perform the procedure Before Working on Your Computer 2 Release the seven securing tabs located behind the bezel 3 Roll the bezel away from the right upper side of the computer 4 Lift the bezel out of th
51. cedure Before Working on Your Computer 2 Disconnect the power and data cable from the back of the media card reader 3 Remove the drive bezel see Remove the Drive Bezel 4 Slide the drive release latch toward the base of the computer and remove the media card reader from the computer 5 If you are not installing another device into the media card reader bay do the following a Remove the shoulder screws from the media card reader you removed and attach them to the back of a 3 5 drive bay bezel insert Attach the drive bezel insert to the drive bezel b Install a 3 5 drive bay insert onto the front panel c Replace the drive bezel see Replace the Drive Bezel Perform the procedure After Working on Your Computer Installing the Media Card Reader 1 Perform the procedure Before Working on Your Computer 2 If you are replacing a media card reader remove the shoulder screws from the existing drive and attach the screws to the replacement media card reader NOTE If you are replacing an existing floppy drive with a media card reader ensure you disable the floppy before installing the media card reader Boot your computer and enter system setup see the Dell Technology Guide Use the Diskette Drive option to disable the floppy drive Follow instructions in Removing the Floppy Drive 3 If you are installing a media card reader into an a previously unused 3 5 drive bay do the following a Remove the drive bezel se
52. cessor is fully seated in the socket close the processor cover Ensure that the tab on the processor cover is positioned underneath the center cover latch on the socket 8 Pivot the socket release lever back toward the socket and snap it into place to secure the processor 9 Clean the thermal solution from the bottom of the heatsink NOTICE Ensure that you apply new thermal solution New thermal solution is critical for ensuring adequate thermal bonding which is a requirement for optimal processor operation 10 Apply the new thermal solution to the top of the processor as needed 11 Replace the heatsink assembly see Replacing the Heatsink Assembly 12 Perform the procedure After Working on Your Computer Remove and Replace the Fan and Shroud Assembly The fan and shroud assembly can be removed and replaced without removing the heatsink 1 Perform the procedure Before Working on Your Computer 2 Disconnect the fan cable from the system board see System Board Components 3 Remove the four black screws that secure the fan and shroud assembly to the heatsink 4 Lift the fan and shroud assembly out of the chassis fan and shroud assembly fan shroud screws 4 5 Position the new fan and shroud assembly onto the heatsink aligning the screw holes in the shroud with the holes in the heatsink 6 Secure the shroud to the heatsink with the four black screws removed earlier 7 Plug the fan cable into its connector on the
53. clip at each end of the memory module connector 3 Grasp the module and pull up If the module is difficult to remove gently ease the module back and forth to remove it from the connector Back to Contents Page Dell OptiPlex 960 Service Manual Mini Tower Computer Working on Your Computer I O Panel Inside View of Your Computer Power Supply System Board Components Speakers Cover Battery Chassis Intrusion Switch System Board Cards Memory Drives Troubleshooting Tips Processor Contacting Dell Notes Notices and Cautions K NOTE A NOTE indicates important information that helps you make better use of your computer NOTI CE A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem _ CAUTION A CAUTION indicates a potential for property damage personal injury or death If you purchased a Dell n Series computer any references in this document to Microsoft Windows operating systems are not applicable Information in this document is subject to change without notice 2008 Dell Inc All rights reserved Reproduction of this material in any manner whatsoever without the written permission of Dell Inc is strictly forbidden Trademarks used in this text Dell the DELL logo OptiPlex Dell OpenManage and the YOURS IS HERE logo are trademarks of Dell Inc Intel Pentium and Celeron are registered trademarks of Intel Corporation in the U S and othe
54. computer The brackets keep dust and dirt out of your computer and maintain the airflow that cools your computer 7 Rotate the release tab downward to snap the card retention latch into place NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 8 Perform the procedure After Working on Your Computer 9 Uninstall the card s driver See the documentation that came with the card for instructions 10 If you removed a sound card a Enter system setup select Audio Controller and change the setting to On see the Dell Technology Guide b Connect external audio devices to the audio connectors on the computer back panel 11 If you removed a network adapter card a Enter system setup select Network Controller and change the setting to On see the Dell Technology Guide b Connect the network cable to the integrated network connector on the back panel of the computer Installing a PCI Card in the Riser Card Cage 1 Perform the procedure Before Working on Your Computer 2 If applicable remove the card installed in the PCle connector on the system board 3 Remove the riser card cage a Check any cables connected to cards through the back panel openings Disconnect any cables that will not reach the riser card cage once they are removed from the computer b Gently pull on the handle and lift the riser card cage up and away from the computer
55. connector 2 3 If you are installing a new card remove the filler bracket to create a card slot opening Then continue with step 5 4 If you are replacing a card that is already installed in the computer remove the card If necessary disconnect any cables connected to the card Then continue with step 5 5 Prepare the card for installation A CAUTION Some network adapters automatically start the computer when they are connected to a network To guard against electrical shock be sure to unplug your computer from its electrical outlet before installing any cards NOTE See the documentation that came with the card for information on configuring the card making internal connections or customizing it for your computer 6 Place the card in the connector and press down firmly Ensure that the card is fully seated in the slot card fully seated card not fully seated filler bracket within slot 4 filler bracket caught outside of slot 7 Before closing the card retention latch ensure that The tops of all cards and filler brackets are flush with the alignment guide The notch in the top of the card or filler bracket fits around the alignment guide 8 Secure the card s by closing the card retention latch and snapping it into place NOTICE Do not route card cables over the cards Cables routed over the cards can prevent the computer cover from closing properly or cause damage to the equipment 9 Connect any cables that s
56. connector block will slide into a slot in the front panel 3 securingtas Po 5 Plug the I O assembly cable connectors into their system board connectors see System Board Components 6 Join the I O assembly cables to the cable bundle routed through the middle of the chassis 7 Replace the bezel see Replacing the Bezel 8 Perform the procedure After Working on Your Computer 9 Reboot your computer and exercise the I O panel to ensure that it is working properly Back to Contents Page Back to Contents Page Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual Power Supply Power Supply Replacing the Power Supply A CAUTION Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance NOTI CE To prevent static damage to components inside your computer discharge static electricity from your body before you touch any of your computer s electronic components You can do so by touching an unpainted metal surface on the computer chassis Perform the procedure Before Working on Your Computer If installed remove the optical drive see Removing an Optical Drive If installed remove the floppy drive or media card reader see Floppy Drive Remove the hard drive and shroud assembly see Removing the Hard Drive and Shroud Ass
57. d metal surface on the computer chassis 1 Perform the procedure Before Working on Your Computer 2 Disconnect the speaker cable from the system board 3 To remove the internal speaker press the locking tab shift the speaker to move the speaker housing retention tabs away from the grill retention tabs and lift the speaker from the chassis 4 Replace the computer cover 5 Perform the procedure After Working on Your Computer Back to Contents Page Back to Contents Page Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual System Board Components System Board Components a O 0 EE E LIS Lg heatsink front fan connector processor connector CPU FAN_CPU processor power connector 12VPOWER memory module connectors DIMM_1 DIMM_2 DIMM_3 DIMM_4 password jumper pins PSWD 6 SATA drive connectors 3 internal FlexBay USB service mode jumper pins system status LEDs panel 101 0 assembly connectors 2 connector FRONTPANEL 11 power connector POWER PSU thermal sensor connector internal serial port connector 14 intrusion switch connector INTRUDER 15 front panel thermal sensor 16 BIOS RTC reset jumper pins cable connector RTCRST 17 BIOS RTC reset jumper pins 18 PCle x16 connector SLOT1 RTCRST 19 PCI connector SLOT2 RTC battery socket BATTERY 21 heatsink back fan connector 22 floppy drive connector DSKT FAN_HDD 23 connec
58. damage to cables and the cable connectors 4 If you are removing a floppy drive push down the drive release tab to unlock it 5 Gently lift the data cable from the floppy data cable edge connector 6 Push down the drive release latch and slide the floppy drive towards the back of the computer Then lift it out of the chassis 7 If the drive is not being replaced with any device a Disconnect the drive data cable from the connector on the system board and remove it from the chassis b Remove the bezel see Remove the Bezel c Install an insert if available into the bezel to cover the drive bay d Remove the shoulder screws from the drive and attach them to the inside of the bezel insert e Replace the bezel see Replacing the Bezel f Perform the procedure After Working on Your Computer Installing a Floppy Drive 1 If you are installing a floppy drive into a bay that was previously unused Perform the procedure Before Working on Your Computer Remove the bezel see Remove the Bezel Remove the floppy drive bay insert from the bezel see Removing Drive Bay Inserts Remove the shoulder screws from the drive bay insert and attach them to the floppy drive 2 If you are installing a floppy drive different from the one removed remove the three shoulder screws from the floppy drive removed and attach them to the new floppy drive 3 Align the screws on the drive with the bracket slots in the computer and gently p
59. drive a Remove the 2 5 inch hard drive caddy from the drive bay caddy by gently bending out the release tabs on the side of the caddy and lifting out the 2 5 inch hard drive caddy 2 5 inch hard drive and 2 5 inch hard drive caddy release tabs 2 b Remove the hard drive from the caddy by removing the four retaining screws two on each side of the drive amp 1 2 5 inch hard drive caddy Replacing the Primary Hard Drive 1 Unpack the replacement hard drive and prepare it for installation Use the documentation provided for the drive and configure it for your computer NOTICE To avoid damage to the drive do not set it on a hard surface I nstead set the drive on a surface such as a foam pad that will sufficiently cushion it 2 If you are installing a 3 5 inch hard drive insert the hard drive into the drive bay caddy by gently bending out the release tabs on the side of the caddy and positioning the drive in the caddy The pins inside the drive bay caddy should align with the screw holes on the side of the drive and the connector end of the drive should be toward the back of the computer pin 2 on each side release tabs 2 a rive bay aay x 5 front of drive bay caddy 3 If installing 2 5 inch hard drives as the primary hard drive a Position the new 2 5 inch hard drive into the flat side of the 2 5 inch hard drive caddy with the side of the drive with the label plate facing away from the caddy and
60. drive check the device to make sure it is functioning properly or l If the operating system is attempting to boot from a device such as the floppy drive or optical drive check system setup to ensure the boot sequence is correct for the devices installed on your computer Ifthe problem persists contact Dell see Contacting Dell Steady Blue 0919010 The computer is in standby Press a key on the keyboard move the mouse or press the power button to resume normal operation mode V a a Blinking Blue Eliminate interference Some possible causes of interference are Power keyboard and mouse extension cables Too many devices connected to the same power strip Multiple power strips connected to the same electrical outlet Memory Problems CAUTION Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see www dell com regulatory_ compliance If you receive an insufficient memory message Save and close any open files and exit any open programs you are not using to see if that resolves the problem See the software documentation for minimum memory requirements If necessary install additional memory Reseat the memory modules to ensure that your computer is successfully communicating with the memory Run the Dell Diagnostics see Dell Diagnostics If you experience other memory problems Rese
61. drive and shroud assembly in the chassis see Replacing the Hard Drive and Shroud Assembly Replacing a Hard Drive 1 Unpack the replacement hard drive and prepare it for installation Check the documentation provided for the drive to verify that it is configured for your computer NOTICE To avoid damage to the drive do not set it on a hard surface I nstead set the drive on a surface such as a foam pad that will sufficiently cushion it 2 If you are replacing a 3 5 inch drive a Insert the new hard drive into the shroud by pulling out the release tabs slightly and aligning the pins inside the shroud with the screw holes on the sides of the hard drive The side of the hard drive with the label plate must oriented away from the shroud and connector end of the hard drive must be toward the shroud securing tabs 2 5 hard drive with caddy hard drive shroud pins 2 on each side 4 release tabs 2 b Install the hard drive and shroud assembly in the chassis see Replacing the Hard Drive and Shroud Assembly 3 If you are installing a 2 5 inch drive a Remove the hard drive and shroud assembly if necessary see Removing the Hard Drive and Shroud Assembly b Remove the 2 5 inch hard drive caddy from the shroud by slightly pulling out the release tabs to free the caddy 2 5 hard drive with caddy hard drive shroud release tabs 2 pt c Position the new hard drive on the caddy Orient the drive so that when it is insta
62. e Menu c Select the boot device with the bootable media and press Next 14 Partition and logically format your drive if necessary Refer to documentation for your operating system for instructions 15 Test the hard drive by running the Dell Diagnostics see the Dell Technology Guide 16 If the drive you just installed is the primary drive install a bootable operating system onto the drive if necessary Remove the Drive Bezel To remove the drive bezel 1 Slide the drive release latch toward the bottom of the computer to release the bezel 2 Rotate the bezel away from the right side of the chassis 3 Lift it from the tab slot hinge on the left side of the drive bays drive release latch Replace the Drive Bezel To replace the drive bezel 1 Inserting the tabs on its left edge of the bezel into the slots to the left of the drive bays 2 Rotate it onto the front panel until it snaps into place Floppy Drive CAUTION Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before removing the computer cover Removing the Floppy Drive 1 If the floppy drive you are removing will not be replaced a Boot your computer and press F2 whe
63. e Remove the Drive Bezel b Remove the drive bay insert for the 3 5 inch drive bay if installed c Remove the 3 5 drive bay bezel insert from the drive bezel Remove the shoulder screws from the 3 5 drive bay bezel insert and attach them to the new media card reader media card reader shoulder screws 4 5 Replace the drive bezel see Replace the Drive Bezel 6 Attach the power and data cable to the media card reader and to internal USB connector on the system board see System Board Components 7 Perform the procedure After Working on Your Computer 8 Verify that your computer works correctly by running the Dell Diagnostics see the Dell Technology Guide Optical Drive CAUTION Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before replacing the cover Removing an Optical Drive Perform the procedure Before Working on Your Computer 2 Disconnect the power and data cables from the back of the drive 3 Remove the drive bezel see Remove the Drive Bezel Slide the drive release latch toward the base of the computer and remove the optical drive from the computer 1 optical drive 2 drive release latch 5 If you are not i
64. e Working on Your Computer NOTICE When sliding the I O assembly out of the computer be extremely careful Carelessness may result in damage to the cable connectors and the cable routing clips 2 Remove the drive bezel see Remove the Drive Bezel 1 drive bezel 2 drive bezel securing tabs 2 3 Remove the optical drive in the upper most bay if installed See Optical Drive 4 Remove the drive bay caddy located in the lower most bay if installed see Replacing a Hard Drive 5 Remove the bezel see Remove the Bezel 6 Disconnect the I O assembly cables from the system board and release them from the cable bundle and guides 7 Remove the screw that secures the I O assembly then push the I O assembly toward the left side of the chassis down to release it from the retaining clips 8 Slide the I O assembly away from the front of the computer while carefully routing the cables out of the chassis 1 0 assembly I O assembly cable connectors P Replacing the I O Assembly 1 Perform the procedure Before Working on Your Computer 2 Remove the drive bezel if installed see Remove the Drive Bezel 3 Remove the bezel if installed see Remove the Bezel 4 Feed the I O assembly cables into the front of the chassis through the opening for the I O assembly until the assembly is in place Ensure that the tabbed end of the assembly points toward the left down side of the computer 1 0 assembly I O assembly
65. e an older program with this version of Windows 2 In the welcome screen click Next 3 Follow the instructions on the screen A solid blue screen appears Turn the computer off If you are unable to get a response by pressing a key on your keyboard or moving your mouse press and hold the power button for at least 6 seconds until the computer turns off and then restart your computer Other software problems Check the software documentation or contact the software manufacturer for troubleshooting information Ensure that the program is compatible with the operating system installed on your computer Ensure that your computer meets the minimum hardware requirements needed to run the software See the software documentation for information Ensure that the program is installed and configured properly Verify that the device drivers do not conflict with the program If necessary uninstall and then reinstall the program Dell Technical Update Service The Dell Technical Update service provides proactive e mail notification of software and hardware updates for your computer To enroll for the Dell Technical Update service go to support dell com technicalupdate Dell Diagnostics A CAUTION Before you begin any of the procedures in this section follow the safety instructions that shipped with your computer Starting the Dell Diagnostics From Your Hard Drive 1 Ensure that the computer is connected to a working
66. e cables Doing so may cause damage to cables and the cable connectors 3 Disconnect the power and data cable from the optical drive 4 Press the drive release latch slide the drive towards the back of the computer then lift the drive out of the chassis drive release latch optical drive 5 If the optical drive is not being replaced after removal a Remove the hard drive and shroud assembly see Removing the Hard Drive and Shroud Assembly a Disconnect the SATA cable from the system board and remove the cable from the chassis b Replace the hard drive and shroud assembly 6 Perform the procedure After Working on Your Computer Installing an Optical Drive 1 Unpack the drive and prepare it for installation Check the documentation that accompanied the drive to verify that the drive is configured for your computer 2 Perform the procedure Before Working on Your Computer 3 Remove the hard drive and shroud assembly if in place See Removing the Hard Drive and Shroud Assembly 4 Connect power supply cable P6 and a SATA data cable to the drive Connect the other end of the SATA cable to the SATA1 or SATA2 connector on the system board 3 oowercable sid dT S 5 Gently position the drive into the bay and slide it forward until it clicks into place 6 Check all cable connections 7 Replace the hard drive and shroud assembly see Replacing the Hard Drive and Shroud Assembly 8 Check cable routing Route cables
67. e caddy with the cable cutouts of both caddies at the same end 1 2 5 inch hard drive and caddy shown with primary 2 cable cutouts drive 3 drive bay caddy g pins 2 on each side 7 Carefully slide the drive bay caddy into the drive bay until it snaps into place If the drive bay caddy contains the primary hard drive insert the caddy into the upper most bay 8 Connect the power and data cables to the drive s NOTI CE Always connect the primary hard drive data cable to the SATAO connector on the system board A secondary hard drive data cable should be connected to the SATA1 connector 9 Check the drive cabling to ensure that the cables are attached to the correct connectors and the connectors are fully seated 10 Secure the hard drive data and power cables to the cable guides on the heatsink assembly 11 Perform the procedure After Working on Your Computer 12 Reboot the computer and press F2 when prompted to enter system Setup see the Dell Technology Guide for more information a In the Settings menu select Drives and select Drives on the sub menu b Enable the SATA port for the drive installed if necessary c Verify that the SATA port device information presented is correct d Click Apply then Exit 13 If the drive you just installed is the primary drive with no bootable system a Insert bootable media into a boot drive b Reboot the system and press F12 when prompted to enter the Boot Devic
68. e tab and slot hinge on the left side down of the computer 1 front bezel 2 front bezel tabs 7 Replace the Bezel To replace the bezel insert the hooks at the left side bottom of the bezel into the slots provided at the base of the chassis and rotate the bezel toward the chassis until it snaps into place Back to Contents Page Back to Contents Page Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual Power Supply Power Supply Replacing the Power Supply A CAUTION Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance NOTICE To prevent static damage to components inside your computer discharge static electricity from your body before you touch any of your computer s electronic components You can do so by touching an unpainted metal surface on the computer chassis 1 Perform the procedure Before Working on Your Computer 2 Disconnect the DC power cables from the system board and the drives Note the routing of the DC power cables underneath the tabs in the computer chassis as you remove them from the system board and drives You must route these cables properly when you replace them to prevent them from being pinched or crimped 3 Remove the four screws that attach the power supply to the back of the computer c
69. ect any telephone or network cables to your computer NOTICE To connect a network cable first plug the cable into the network device and then plug it into the computer 3 If necessary set the computer upright 4 Connect your computer and all attached devices to their electrical outlets NOTICE Ensure that none of the air vents of the system are blocked 5 Turn on your computer Back to Contents Page
70. ect your computer from potential damage and to help to ensure your own personal safety A CAUTION Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance NOTICE Only a certified service technician should perform repairs on your computer Damage due to servicing that is not authorized by Dell is not covered by your warranty NOTICE When you disconnect a cable pull on its connector or on its pull tab not on the cable itself Some cables have connectors with locking tabs if you are disconnecting this type of cable press in on the locking tabs before you disconnect the cable As you pull connectors apart keep them evenly aligned to avoid bending any connector pins Also before you connect a cable ensure that both connectors are correctly oriented and aligned NOTICE To avoid damaging the computer perform the following steps before you begin working inside the computer 1 Ensure that the work surface is flat and clean to prevent the computer cover from being scratched 2 Turn off your computer see Turning Off Your Computer NOTICE To disconnect a network cable first unplug the cable from your computer and then unplug the cable from the network device 3 Disconnect all telephone or network cables from the computer 4 Disconnect your computer and all at
71. electrical outlet 2 Turn on or restart your computer 3 When the DELL logo appears press lt F12 gt immediately Select Diagnostics from the start menu and press lt Enter gt K NOTE If you wait too long and the operating system logo appears continue to wait until you see the Microsoft Windows desktop and then shut down your computer and try again K NOTE If you see a message stating that no diagnostics utility partition has been found run the Dell Diagnostics from the Drivers and Utilities media 4 Press any key to start the Dell Diagnostics from the diagnostics utility partition on your hard drive and follow the instructions on the screen Starting the Dell Diagnostics From the Dell Drivers and Utilities Media K NOTE The Dell Drivers and Utilities media is optional and may not ship with your computer 1 Insert the Drivers and Utilities media 2 Shut down and restart the computer When the DELL logo appears press lt F12 gt immediately NOTE If you wait too long and the operating system logo appears continue to wait until you see the Microsoft Windows desktop then shut down your computer and try again NOTE The next steps change the boot sequence for one time only On the next start up the computer starts according to the devices specified in the system setup program 3 When the boot device list appears highlight CD DVD CD RW and press lt Enter gt 4 Select the Boot from CD ROM opt
72. embly Disconnect the DC power supply cables from the system board and the drives K NOTE Remember the routing of the DC power cables underneath the tabs in the computer frame as you remove them from the system board and drives You must route these cables properly when you replace them to prevent their being pinched or crimped Detach the thermal sensor from the power supply Remove the screws at the back of the power supply that secure it to the chassis At the front end of the power supply bend up blocking tab to allow the power supply to move forward Slide the power supply toward the front of the computer approximately 3 4 inch and lift it out of the chassis blocking tab power supply mounting screw 2 a thermal sensor 10 11 12 13 Slide the replacement power supply into place Bend down the blocking tab at the front end of the power supply just enough to stop the power supply from sliding forward Replace the screws that secure the power supply to the back of the computer chassis Reattach the thermal sensor to the power supply 14 15 16 17 18 19 Reconnect the DC power cables to the system board and drives see System Board Components and Drives Replace the floppy drive or media card reader see Installing a Floppy Drive Replace the optical drive see Installing an Optical Drive Replace the hard drive and shroud assembly see Replacing the Hard Drive and Shroud Assembly
73. embly fan shroud screws ca fan cable connectors 9 Position the new fan and shroud assembly onto the heatsink aligning the screw holes in the shroud with the holes in the heatsink 10 Secure the fan shroud to the heatsink with the four screws removed in the step above 11 Connect the two fan cables to the system board see System Board Components 12 If the system contained a wireless card that was removed in a previous step replace the card see Internal Wireless Card Installation 13 Reroute cables through guides on the fan shroud 14 Replace the optical drive see Installing an Optical Drive 15 Replace the hard drive and shroud assembly 16 Perform the procedure After Working on Your Computer Back to Contents Page Back to Contents Page Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual Drives Drives 74 NOTE If you are removing or adding a device that affects the hardware or RAID configuration of the system BIOS settings may need to be changed Refer to the Dell Technology Guide for more information Your computer supports One 3 5 inch SATA serial ATA hard drive or two 2 5 inch SATA hard drives One slimline media card reader or one slimline floppy drive One SATA slimline optical drive One eSATA drive external 1 3 5 inch drive bay for optional slimline floppy drive or 2 slimline optical slimline media card reader drive hard d
74. eplacing the Bezel g Perform the procedure After Working on Your Computer Replacing or Installing a Media Card Reader 1 If you are replacing a media card reader with another one remove the shoulder screws from the old media card reader and install them onto the new one 2 If you are installing a media card reader into an unoccupied media card reader bay perform the following steps a Perform the procedure Before Working on Your Computer b Lay the computer on its side so that the system board is on the bottom of the inside of the computer c Remove the bezel see Remove the Bezel d Remove the drive bay insert from the bezel e Remove the three shoulder screws from the inside of the drive bay insert and install them onto the media card reader f Remove the hard drive and shroud assembly see Removing the Hard Drive and Shroud Assembly 2 screws 3 4 Connect the media card reader cable to the connectors on the media card reader and internal USB connector on the system board see System Board Components 1 media card reader data cable 5 Replace the optical drive see Installing an Optical Drive 6 Replace the hard drive and shroud assembly see Replacing the Hard Drive and Shroud Assembly 7 Check all cable connections 8 Check cable routing Route cables through the cable guides to ensure proper airflow through the fan and cooling vents 9 Perform the procedure After Working on Your Computer
75. es information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance Removing the Chassis Intrusion Switch 1 Perform the procedure Before Working on Your Computer 2 Disconnect the chassis intrusion switch cable from the system board by using two fingers to squeeze the release mechanism on one side of the connector as you pull to disconnect the cable connector 3 Slide the chassis intrusion switch out of its slot in the metal bracket and then push it down through the square hole in the bracket to remove the switch and its attached cable from the computer K NOTE You may feel a slight resistance as you slide the switch out of the slot Replacing the Chassis Intrusion Switch 1 Gently insert the switch from underneath the metal bracket into the square hole in the bracket and then slide the chassis intrusion switch into its slot until you feel it snap securely into place 2 Reconnect the cable to the system board 3 Perform the procedure After Working on Your Computer Resetting the Chassis Intrusion Detector 1 Turn on or restart your computer 2 When the DELL logo appears press lt F2 gt immediately If you wait too long and the operating system logo appears continue to wait until you see the Microsoft Windows desktop Then shut down your computer and try again 3 In the Settings menu select Security then Chassis Intrusion Use the tab arrow and space bar keys to choose the
76. et or allow any objects to fall on the pins in the socket 4 Gently remove the processor from the socket Leave the release lever extended in the release position so that the socket is ready for the new processor I nstalling the Processor NOTICE Ground yourself by touching an unpainted metal surface on the back of the computer NOTICE When replacing the processor do not touch any of the pins inside the socket or allow any objects to fall on the pins in the socket 1 Perform the procedure Before Working on Your Computer 2 Unpack the new processor being careful not to touch the underside of the processor NOTICE You must position the processor correctly in the socket to avoid permanent damage to the processor and the computer when you turn on the computer 3 If the release lever on the socket is not fully extended move it to that position 4 Orient the front and rear alignment notches on the processor with the front and rear alignment notches on the socket 5 Align the pin 1 corners of the processor and socket piovessor e center coveriatch release lever front aignment notch e socket and processor pind ndcator rearaignmentnateh E NOTICE To avoid damage ensure that the processor aligns properly with the socket and do not use excessive force when you install the processor 6 Set the processor lightly in the socket and ensure that the processor is positioned correctly 7 When the pro
77. gistered trademarks of Intel Corporation in the U S and other countries Microsoft Windows Windows Server MS DOS and Windows Vista are either trademarks or registered trademarks of Microsoft Corporation in the United States and or other countries Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products Dell Inc disclaims any proprietary interest in trademarks and trade names other than its own September 2008 Rev A00 Back to Contents Page Back to Contents Page Troubleshooting Tips Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual Using the Hardware Troubleshooter Tips A CAUTION Always unplug your computer from the electrical outlet before opening the cover K NOTE For detailed troubleshooting information including responding to system messages see your Service Manual on support dell com Using the Hardware Troubleshooter 1 Click the Windows Vista Start button and click Help and Support 2 Type hardware troubleshooter in the search field and press lt Enter gt to start the search 3 Inthe search results select the option that best describes the problem and follow the remaining troubleshooting steps Tips If a device does not work ensure that the device is properly connected If you added or removed a part before the problem started review the installation procedures and ensure that the pa
78. graphics card heatsink has had sufficient time to cool before you touch it padlock ring cover release latch Replacing the Mini Tower Computer Cover CAUTION Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance 1 Ensure that all cables are connected and fold cables out of the way Gently pull the power cables toward you so that they do not get caught underneath the drives 2 Ensure that no tools or extra parts are left inside the computer 3 To replace the cover Align the bottom of the cover with the hinge tabs located along the bottom edge of the computer a b Using the hinge tabs as leverage rotate the cover downward to close it c Snap the cover into place by pulling back on the cover release latch and then releasing the latch when the cover is properly seated d Ensure that the cover is seated correctly before moving the computer NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer Attach the computer stand if applicable For instructions see the documentation that came with the stand 4 5 Connect your computer and devices to electrical outlets and turn them on After you remove and replace the cover the chassis intrusion detector optional on some computers if ins
79. hassis 4 Press the release button located on the front side of the power supply ed pevrererrerre release button 2 power supply 1 3 screws a 4 Ac power connector 5 Slide the power supply toward the front of the computer by approximately 1 inch 6 Lift the power supply up and out of the computer 7 Slide the replacement power supply into place o Replace the screws that secure the power supply to the back of the computer chassis 9 Connect the DC power cables to the system board 10 Connect the AC power cable to the AC power connector 11 Perform the procedure After Working on Your Computer DC Power Connectors DC Power Connector P1 13 14 15 16 17 18 i ke oo w oS G E5 5 Cal 5 e f s f Cala C fli Calf Cal Calf 19 20 21 22 23 24 T oun i Pin Number OLTONPOTuUFR IT WINTe NTN IN IN Te de Pe de dele pede dede WINTRFILoloflolwiloflufaA gt rTwilnNnirfo 24 Signal name 18 AWG Wire esvoe ied swe ied asvoo ied svoc ied swe ike Optional wire Use 22 AWG wire instead of 18 AWG wire DC Power Connector P2 Pin Number Signal Name 18 AWG Wire ND DC Power Connectors P3 P5 P8 and P9 94321 Pin Number Signal name 18 AWG Wire 3 3 VDC Orange GND Black 12 VBDC Signal Name 22 AWG Wire swe Sided Back to Contents Page Back to Contents Page Dell Optiplex 960 Mini Tower Desktop Small Form Facto
80. hat all cables are connected and fold cables out of the way Gently pull the power cables toward you so that they do not get caught underneath the drives 2 Ensure that no tools or extra parts are left inside the computer 3 To replace the cover a Align the bottom of the cover with the hinge tabs located along the bottom edge of the computer b Using the hinge tabs as leverage rotate the cover downward to close it Snap the cover into place by pulling back on the cover release latch and then releasing the latch when the cover is properly seated d Ensure that the cover is seated correctly before moving the computer NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 4 Attach the computer stand if applicable For instructions see the documentation that came with the stand 5 Connect your computer and devices to electrical outlets and turn them on After you remove and replace the cover the chassis intrusion detector optional on some computers if installed and enabled causes the following message to appear on the screen at the next computer start up ALERT Cover was previously removed 6 Reset the chassis intrusion detector by changing Chassis Intrusion to On or On Silent See the following Mini Tower Resetting the Chassis Intrusion Detector Desktop Resetting the Chassis Intrusion Detector Small Form Factor Resetting the Ch
81. he method of contacting Dell that is convenient for you Back to Contents Page Back to Contents Page Desktop Computer Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual Inside View of Your Computer Inside View of Your Computer 1 drive bays media card reader floppy drive optical 2 power supply drive hard drive s 3 chassis intrusion switch system board heatsink assembly 7 front I O assembly Back to Contents Page Dell OptiPlex 960 Service Manual Desktop Computer Working on Your Computer I O Panel Inside View of Your Computer Power Supply System Board Components Speakers Cover Battery Chassis Intrusion Switch System Board Cards Memory Drives Troubleshooting Tips Processor Contacting Dell Notes Notices and Cautions K NOTE A NOTE indicates important information that helps you make better use of your computer NOTICE A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem _ CAUTION A CAUTION indicates a potential for property damage personal injury or death If you purchased a Dell n Series computer any references in this document to Microsoft Windows operating systems are not applicable Information in this document is subject to change without notice 2008 Dell Inc All rights reserved Reproduction of this material in any manner whatsoever without the written per
82. hould be attached to the card 10 Perform the procedure After Working on Your Computer K NOTE See the documentation that came with the card regarding the card s cable connections 11 If you installed a sound card a Enter system setup select Integrated Audio from the Onboard Devices group and change the setting to Off see the Dell Technology Guide b Connect external audio devices to the sound card s connectors Do not connect external audio devices to the line in connector on the back panel of the computer NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 12 If you installed a network adapter card and want to turn off the integrated network adapter a Enter system setup select Integrated NIC from the Onboard Devices group and change the setting to Off see the Dell Technology Guide b Connect the network cable to the network adapter card s connectors Do not connect the network cable to the integrated network connector on the back panel of the computer NOTICE If you disable the integrated network adapter you will not have AMT functionality 13 Install any drivers required for the card as described in the card documentation Removing a PCI Card 1 Perform the procedure Before Working on Your Computer K NOTE For PCI card locations see System Board Components 2 Gently lift the release tab on the card retention latch from the i
83. ime until you have identified a faulty module or reinstalled all modules without error If available install working memory of the same type into your computer see your service manual Ifthe problem persists contact Dell see Contacting Dell Memory modules are Ensure that no special requirements for memory module connector placement exist detected but a memory Ensure that the memory you are using is supported by your computer see the Specifications configuration or compatibility section for your computer error has occurred If the problem persists contact Dell see Contacting Dell A possible expansion card Determine if a conflict exists by removing an expansion card not a graphics card and restarting failure has occurred the computer see the Cards section for your computer If the problem persists reinstall the card you removed then remove a different card and restart the computer Repeat this process for each expansion card installed If the computer starts normally troubleshoot the last card removed from the computer for resource conflicts If the problem persists contact Dell see Contacting Dell 0009 Another failure has occurred Ensure that all hard drive and optical drive cables are properly connected to the system board see the System Board Components section for your computer If there is an error message on the screen identifying a problem with a device such as the floppy drive or hard
84. ink assembly captive screw housing 4 A CAUTION The heatsink assembly may be very hot during normal operation Be sure that it has had sufficient time to cool before you touch it NOTICE Unless a different heatsink is required for the new processor reuse the original heatsink assembly after you replace the processor 8 Open the processor cover by sliding the release lever from under the center cover latch on the socket Then pull the lever back to release the processor center cover latch 2 processor cover processor 4 socket release lever re NOTICE When replacing the processor do not touch any of the pins inside the socket or allow any objects to fall on the pins in the socket 9 Gently remove the processor from the socket Leave the release lever extended in the release position so that the socket is ready for the new processor Installing the Processor NOTICE Ground yourself by touching an unpainted metal surface on the back of the computer NOTICE When replacing the processor do not touch any of the pins inside the socket or allow any objects to fall on the pins in the socket 1 Perform the procedure Before Working on Your Computer 2 Unpack the new processor being careful not to touch the underside of the processor NOTICE You must position the processor correctly in the socket to avoid permanent damage to the processor and the computer when you turn on the computer 3 If the release le
85. installed see Installing an Optical Drive 9 Ensure that all cable connectors are properly seated and cables are routed through cable channels 10 Perform the procedure After Working on Your Computer 11 Connect the power cable and peripheral devices to the computer as needed 12 Perform the following a Turn on the computer b When the computer boots press F2 to enter system Setup In the Settings menu select Drives and select Drives in the sub menu see the Dell Technology Guide for more information c Verify that the information presented for each SATA port is correct If any settings are changed click Apply d Insert a bootable medium into your boot drive e Click Exit 13 When prompted press F12 to enter the Boot Drive Menu Select a drive with bootable media and continue 14 When the operating system loads if the drive you installed is not a bootable drive partition and logically format your drive if necessary K NOTE For instructions see the documentation that came with your operating system 15 Test the hard drive by running the Dell Diagnostics see the Dell Technology Guide 16 Install your operating system on the hard drive if needed K NOTE For instructions see the documentation that came with your operating system Removing the Secondary Hard Drive In the OptiPlex 960 desktop chassis a secondary 3 5 inch hard drive is installed in the floppy drive media card reader bay A secondary 2
86. intain FCC compliance of the computer The brackets help to keep foreign objects out of your computer and help direct airflow for cooling Your Dell computer provides the following connectors for PCI and PCI Express PCIe cards One low profile PCle x16 card slot Two connectors for low profile PCI cards One low profile PCle x1 card slot One connector for an internal wireless card PCI and PCle Cards PCle x1 card 2 PCle x16 card PCle x16 riser interface 4 PCle x1 card Installing a PCI Card If you are replacing a PCI card remove the current driver for the card from the operating system See the documentation that came with the card for information 1 Perform the procedure Before Working on Your Computer 2 Gently press the release tab on the card retention latch all the way up 3 system board connector a oardinsert OOO OO 3 If you are installing a card in an empty card connector on the system board remove the filler bracket to create a card slot opening at the back of the computer Then continue with step 5 4 If you are installing a card to replace one already installed in the computer remove the installed card see Removing a PCI Card 5 Prepare the card for installation NOTE See the documentation that came with the card for information on configuring the card making internal connections or customizing it for your computer release tab on card retention latch 2 card edge connecto
87. ion from the menu that appears and press lt Enter gt 5 Type 1 to start the CD menu and press lt Enter gt to proceed 6 Select Run the 32 Bit Dell Diagnostics from the numbered list If multiple versions are listed select the version that is appropriate for your computer 7 When the Dell Diagnostics Main Menu appears select the test that you want to run and follow the instructions on the screen Back to Contents Page Back to Contents Page Working on Your Computer Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual Recommended Tools Before Working on Your Computer After Working on Your Computer This document provides procedures for removing and installing the components in your computer Unless otherwise noted each procedure assumes that You have performed the steps in Before Working on Your Computer You have read the safety information that shipped with your computer When replacing a component you have already removed the original if installed K NOTE The color of your system and certain system components may appear differently than shown in this document Recommended Tools The procedures in this document may require the following tools Small flat blade screwdriver Phillips screwdriver Small plastic scribe Flash BIOS update see the Dell Support website at support dell com Before Working on Your Computer Use the following safety guidelines to help prot
88. it from the computer Lay the heatsink down on its side to avoid contaminating the thermal solution heatsink assembly captive screw housing 4 Replacing the Heatsink Assembly 1 Lower the heatsink assembly into the computer aligning the captive screws with the retainers screw holes in the system board Ensure that the fan cable is routed to the right side of the heatsink assembly 2 Tighten the four captive screws to secure the heatsink assembly 3 Plug the fan cable into its connector on the system board see System Board Components NOTICE Ensure that the heatsink assembly is correctly seated and secure 1 heatsink assembly 2 captive screw housing 4 4 If previously cables were routed through the guides on the back of the heatsink assembly reroute them through the guides Removing the Processor 1 Perform the procedure Before Working on Your Computer 2 Remove the heatsink assembly see Remove and Replace the Fan and Shroud Assembly NOTICE Unless a different heatsink is required for the new processor reuse the original heatsink assembly when you replace the processor 3 Open the processor cover by sliding the release lever from under the center cover latch on the socket Then pull the lever back to release the processor socket center cover latch 1 a 2 processor cover release lever 3 processor E NOTI CE When replacing the processor do not touch any of the pins inside the sock
89. ive release latch 2 optical drive 3 Disconnect the power and data cables from the back of the drive 4 If you are not replacing the optical drive at this time install the optical drive bay insert see Replacing Drive Bay Inserts K NOTE Contact Dell if you need a drive bay insert Installing an Optical Drive 1 Unpack the drive and prepare it for installation Check documentation provided for the drive to verify that the drive is configured for your computer 2 If you are installing a new drive a Remove the drive bay insert from the bezel if necessary see Removing Drive Bay Inserts b Remove the three shoulder screws from the drive bay insert and install them on the sides of the new drive c Lower the drive into the drive bay and slide it forward until it clicks into place 3 If you are replacing an existing drive a Follow procedures in Removing an Optical Drive to remove the existing drive b Remove the three shoulder screws from the existing drive c Insert the three shoulder screws into the sides of the new drive and tighten them 4 Connect the power and data cables to the drive 5 Lower the drive into the drive bay and slide it forward until it clicks into place 6 Check all cable connections and fold cables out of the way to provide airflow for the fan and cooling vents 7 Perform the procedure After Working on Your Computer Update your configuration information by setting the a
90. l operation Be sure that it has had sufficient time to cool before you touch it 3 Rotate the heatsink assembly upward from the front edge and remove it from the computer Lay the heatsink assembly upside down to avoid contaminating the thermal solution heatsink assembly captive screw 2 Replacing the Heatsink Assembly 1 Clean the thermal solution from the bottom of the heatsink NOTICE Ensure that you apply new thermal solution New thermal solution is critical for ensuring adequate thermal bonding which is a requirement for optimal processor operation 2 Apply the new thermal solution to the top of the processor as needed 3 Install the heatsink assembly a Place the heatsink assembly back onto the heat sink assembly bracket b Rotate the heatsink assembly down towards the computer base c Tighten the two captive screws NOTICE Ensure that the heatsink assembly is correctly seated and secure heatsink assembly heat sink assembly bracket 4 Reroute cables removed earlier through the cable guides on the heatsink assembly Reconnect them as needed Removing the Processor 1 Perform the procedure Before Working on Your Computer 2 Remove the heatsink assembly see Removing the Heatsink Assembly NOTICE Unless a different heatsink is required for the new processor reuse the original heatsink assembly when you replace the processor 3 Open the processor cover by sliding the release lever fro
91. l to disconnect the cable connector 3 Slide the chassis intrusion switch out of its slot in the metal bracket and then push it down through the square hole in the bracket to remove the switch and its attached cable from the computer K NOTE You may feel a slight resistance as you slide the switch out of the slot Replacing the Chassis Intrusion Switch 1 Gently insert the switch from underneath the metal bracket into the square hole in the bracket and then slide the chassis intrusion switch into its slot until it snaps securely into place 2 Reconnect the cable to the system board 3 Perform the procedure After Working on Your Computer Resetting the Chassis Intrusion Detector 1 Turn on or restart your computer 2 When the DELL logo appears press lt F2 gt immediately If you wait too long and the operating system logo appears continue to wait until you see the Microsoft Windows desktop Then shut down your computer and try again 3 In the Settings menu select Security then Chassis Intrusion Use the tab arrow and space bar keys to choose the option you prefer If you changed the setting move to the Apply button and press Enter K NOTE The default setting is On Silent 4 Save your BIOS settings and exit system setup Back to Contents Page Back to Contents Page Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual Desktop Computer Cover Desktop Computer Cover
92. lace the I O assembly do the following 1 Perform the procedure Before Working on Your Computer K NOTE Use the guides on the I O assembly bracket to help position the I O assembly in place and use the notch on the I O assembly bracket to help seat the panel 2 Remove the bezel a Lift the three retention tabs to release the top edge of the bezel b Roll the bezel down and lift it from the chassis 1 bezel 2 retention tabs 3 3 Feed the I O assembly cables into the front of the chassis through the opening for the I O assembly until the assembly is in place Ensure that the securing tab points toward the right toward the grill 4 Push the I O connector block into the I O assembly opening until it snaps into place 5 Plug the I O assembly cable connectors into their system board connectors see System Board Components 6 Join the I O assembly cables to the cable bundle routed through the middle of the chassis 7 Replace the bezel 8 Perform the procedure After Working on Your Computer 9 Reboot your computer and exercise the I O panel to ensure that it is working properly Back to Contents Page Back to Contents Page Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual Power Supply Power Supply Replacing the Power Supply A CAUTION Before working inside your computer read the safety information that shipped with your computer For additional safety best practices
93. le through the blue cable clips on the back of the heatsink assembly 7 Replace the optical drive see Optical Drive 8 Check all cable connections and fold cables out of the way to provide airflow for the fan and cooling vents 9 Perform the procedure After Working on Your Computer 10 If you are adding a floppy drive to the computer system a Boot your computer and press F2 when prompted to enter system Setup see the Dell Technology Guide b On the Settings menu select Drives then Diskette Drive c Choose the option to Enable the floppy drive d Click Apply then Exit e Reboot your computer 11 Verify that your computer works correctly by running the Dell Diagnostics see the Dell Technology Guide Media Card Reader CAUTION Before you begin any of the procedures in this section read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before removing the computer cover NOTE If you will be operating your computer without an optical drive or a 3 5 inch drive installed the appropriate drive bay insert must be installed in place of the drive Contact Dell if you need a drive bay insert Removing a Media Card Reader 1 Perform the procedure Before Working on Your Computer NOTE
94. lled in the computer the side of the hard drive with the label plate is toward the system board the screw holes align with the holes in the locator tabs and the connector end of the drive s is toward the caddy s cable cutout K NOTE When mounting hard drives onto a 2 5 inch hard drive caddy the primary hard drive must be mounted on the flat side of the caddy with the label plate away from the caddy and the secondary hard drive must be mounted on the U shaped side of the caddy with the label plate facing the caddy In both configurations the connector end of the hard drives must be toward the cable cutout NY D 4 lt Q A 2 5 hard drive 1 1 2 5 inch hard drive caddy U shaped 2 2 5 inch hard drive connector side up end cable cutout 4 screws 4 i d Secure the drive to the drive caddy with four screws two on each side e Attach the power cable Y adapter to the hard drive s mounted on the caddy ry ma C N go Y e 1 power cable Y adapter 10 11 f Install the drive caddy in the drive shroud by slightly pulling out the release tabs on the drive shroud and aligning the pins inside the shroud with the holes on the sides of the drive caddy The flat side of the caddy must be oriented toward the system board when the hard drive and shroud assembly is installed g Install the hard drive and shroud assembly in the chassis see Replacing the Hard Drive and Shroud Assembly Ensure that
95. m separate from any new modules that you may have even if you purchased the new modules from Dell If possible do not pair an original memory module with a new memory module Otherwise your computer may not start properly You should install your original memory modules in pairs either in DIMM connectors 1 and 2 or DIMM connectors 3 and 4 K NOTE Memory purchased from Dell is covered under your computer warranty Addressing Memory Configurations If you are using a 32 bit operating system such as Microsoft Windows Vista your computer will support a maximum of 4 GB of memory If you are using a 64 bit operating system your computer will support a maximum of 8 GB 2 GB DIMMs in each of the four slots of memory Installing Memory CAUTION Before you begin any of the procedures in this section read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance NOTICE To avoid electrostatic discharge and damage to internal components ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface on the computer chassis 1 Perform the procedure Before Working on Your Computer 2 Press out the securing clip at each end of the memory module connector cutouts memory module em notch crossbar in the connector NOTI CE To avoid damage to the memo
96. m under the center cover latch on the socket Then pull the lever back to release the processor NOTICE When replacing the processor do not touch any of the pins inside the socket or allow any objects to fall on the pins in the socket center cover latch processor cover cs processor a socket 5 reese lever a 4 Gently remove the processor from the socket Leave the release lever extended in the release position so that the socket is ready for the new processor Installing the Processor NOTICE Ground yourself by touching an unpainted metal surface on the back of the computer NOTICE When replacing the processor do not touch any of the pins inside the socket or allow any objects to fall on the pins in the socket 1 FPerform the procedure Before Working on Your Computer 2 Unpack the new processor being careful not to touch the underside of the processor NOTE You must position the processor correctly in the socket to avoid permanent damage to the processor and the computer when you turn on the computer 3 If the release lever on the socket is not fully extended move it to that position 4 Orient the front and rear alignment notches on the processor with the front and rear alignment notches on the socket 5 Align the pin 1 corners of the processor and socket tab processor socket release lever socket and processor pin 1 indicator NOTICE To avoid damage ensure that the processor aligns
97. mission of Dell Inc is strictly forbidden Trademarks used in this text Dell the DELL logo OptiPlex Dell OpenManage and the YOURS IS HERE logo are trademarks of Dell Inc Intel Pentium and Celeron are registered trademarks of Intel Corporation in the U S and other countries Microsoft Windows Windows Server MS DOS and Windows Vista are either trademarks or registered trademarks of Microsoft Corporation in the United States and or other countries Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products Dell Inc disclaims any proprietary interest in trademarks and trade names other than its own Model DCNE December 2008 Rev AO1 Back to Contents Page Back to Contents Page Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual Cards Cards CAUTION Before you begin any of the procedures in this section read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance NOTICE To prevent static damage to components inside your computer discharge static electricity from your body before you touch any of your computer s electronic components You can do so by touching an unpainted metal surface on the computer chassis NOTE Installing filler brackets over empty card slot openings is necessary to ma
98. n prompted to enter system Setup see the Dell Technology Guide b On the Settings menu select Drives then Diskette Drive c Choose the option to Disable the floppy drive d Click Apply then Exit e Reboot your computer and power it off 2 Perform the procedure Before Working on Your Computer 3 Disconnect the power and data cables from the back of the floppy drive 4 Remove the drive bezel see Remove the Drive Bezel 5 Slide the sliding plate lever towards the bottom of the computer and slide the floppy drive out of the computer 1 floppy drive 2 drive release latch 6 If you are not installing another device into the floppy drive bay do the following a Remove the shoulder screws from the floppy drive you removed and attach them to the back of a 3 5 drive bay bezel insert Attach the drive bezel insert to the drive bezel b Install a 3 5 drive bay insert onto the front panel c Replace the drive bezel see Remove the Drive Bezel d Perform the procedure After Working on Your Computer Replacing or Installing the Floppy Drive 1 Perform the procedure Before Working on Your Computer 2 If you are replacing a floppy drive remove the shoulder screws from the old drive and attach them the new drive 3 If you are installing a floppy drive into an a previously unused 3 5 drive bay do the following a Remove the drive bezel see Remove the Drive Bezel b Remove the floppy drive bay insert from the dri
99. n that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance NOTICE To prevent static damage to components inside your computer discharge static electricity from your body before you touch any of your computer s electronic components You can do so by touching an unpainted metal surface on the computer chassis 1 Perform the procedure Before Working on Your Computer 2 Disconnect the cable from the INT SPKR1 connector on the system board see System Board Components 3 To remove the internal speaker press the locking tab shift the speaker to move the speaker housing retention tabs out of the retention tabs on the grill and lift the speaker from the chassis 4 Perform the procedure After Working on Your Computer Back to Contents Page Back to Contents Page Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual System Board Components System Board Components 1 2 3 5 Fr FF a FF a rr r Yr 19 18 17 16 15 14 13 12 connector for optional wireless card PCIE_WLS1 thermal sensor connector THRML1 1 eee e 5 processor connector cru e processor power connector LAVPOWER 7 auriiary power LED aux powe e memory module connectors a n r r r T 2 23 foppy disk comecerosera T Back to Contents Page Back to Contents Page Dell Optiplex 960 Mini
100. nce A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before removing the computer cover Removing a Media Card Reader 1 FPerform the procedure Before Working on Your Computer 2 Lay the computer on its side so that the system board is on the bottom of the inside of the computer 3 Remove the hard drive and shroud assembly see Removing the Hard Drive and Shroud Assembly 4 Remove the optical drive see Removing an Optical Drive NOTICE Do not pull the drive out of the computer by the drive cables Doing so may cause damage to cables and the cable connectors 5 Disconnect the cable from the media card reader media card reader data cable media card reader data cable 6 Push down the drive release latch and slide the media card reader towards the back of the computer Then lift the media card reader out of the chassis 7 If the media card reader is not being replaced with any device a Disconnect the media card reader cable from the internal USB connector on the system board and remove it from the chassis b Replace the hard drive and shroud assembly see Replacing the Hard Drive and Shroud Assembly c Remove the bezel see Remove the Bezel d Install an insert if available into the bezel to cover the media card reader bay e Remove the shoulder screws from the media card reader and attach them to the inside of the bezel insert f Replace the bezel see R
101. nector PCle x16 card PCle x16 DVI card release lever securing slot not all cards 4 securing tab PCle x16 card connector i 5 If you are removing the card permanently install a filler bracket in the empty card slot opening K NOTE Installing filler brackets over empty card slot openings is necessary to maintain FCC compliance of the computer The brackets keep dust and dirt out of your computer and maintain the airflow that cools your computer 6 Before you close the card retention mechanism ensure that The tops of all cards and filler brackets are flush with the alignment bar The notch in the top of the card or filler bracket fits around the alignment guide 7 Secure any remaining card s by closing the card retention latch and snapping it into place NOTICE Do not route card cables over the cards Cables routed over the cards can prevent the computer cover from closing properly or cause damage to the equipment 8 Perform the procedure After Working on Your Computer 9 Uninstall the card s driver See the documentation that came with the card for instructions 10 If you removed a sound card a Enter system setup select Integrated Audio from the Onboard Devices group and change the setting to On see the Dell Technology Guide b Connect external audio devices to the audio connectors on the back panel of the computer To connect a network cable first plug the cable into the network wall jack and
102. nectors at the back of the computer 5 Perform the procedure After Working on Your Computer Back to Contents Page Back to Contents Page Mini Tower Computer Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual Inside View of Your Computer Inside View of Your Computer optical drive 2 flex bay device for optional floppy disk drive media card reader etc power 4 chassis intrusion switch supply system heatsink assembly board Back to Contents Page Back to Contents Page Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual K NOTE A NOTE indicates important information that helps you make better use of your computer NOTI CE A NOTI CE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem _ CAUTION A CAUTION indicates a potential for property damage personal injury or death If you purchased a Dell n Series computer any references in this document to Microsoft Windows operating systems are not applicable Information in this document is subject to change without notice 2008 Dell Inc All rights reserved Reproduction of this material in any manner whatsoever without the written permission of Dell Inc is strictly forbidden Trademarks used in this text Dell the DELL logo OptiPlex Dell OpenManage and the YOURS IS HERE logo are trademarks of Dell Inc Intel Pentium and Celeron are re
103. nside and pivot the latch open 3 If necessary disconnect any cables connected to the card 4 Grasp the card by its top corners and ease it out of its connector card retention latch 2 release tab 1 3 ford 4 feerceage connector 5 _ cardconnector PT 5 If you are removing the card permanently install a filler bracket in the empty card slot opening NOTE Installing filler brackets over empty card slot openings is necessary to maintain FCC compliance of the computer The brackets keep dust and dirt out of your computer and maintain the airflow that cools your computer 6 Before you close the card retention mechanism ensure that The tops of all cards and filler brackets are flush with the alignment bar The notch in the top of the card or filler bracket fits around the alignment guide NOTICE Do not route card cables over the cards Cables routed over the cards can prevent the computer cover from closing properly or cause damage to the equipment 7 Secure any remaining card s by closing the card retention latch and snapping it into place 8 Perform the procedure After Working on Your Computer 9 Uninstall the card s driver See the documentation that came with the card for instructions 10 If you removed a sound card a Enter system setup select Integrated Audio from the Onboard Devices group and change the setting to On see the Dell Technology Guide b Connect external audio devices to the a
104. nstalling another device into the optical drive bay do the following a Remove the shoulder screws from the optical drive you removed and attach them to the back of an optical drive bay bezel insert Attach the drive bezel insert to the drive bezel b Install an optical drive bay insert onto the front panel if available c Replace the drive bezel see Replace the Drive Bezel d Perform the procedure After Working on Your Computer Replacing or Installing an Optical Drive 1 Perform the procedure Before Working on Your Computer 2 If you are replacing an optical drive remove the shoulder screws from the existing drive and attach them to the replacement drive 3 If you are installing an optical drive into an a previously unused optical drive bay do the following a Remove the drive bezel see Remove the Drive Bezel b Remove the drive bay insert for the optical drive bay if installed c Remove the optical drive bay bezel insert from the drive bezel d Remove the shoulder screws from the optical drive bay bezel insert and attach them to the new drive amp 9 4 Check the documentation provided for the drive to verify that the drive is configured for your computer 5 Align the shoulder screws on the optical drive with the shoulder screw slots and slide the drive into the bay until it clicks into place 6 Replace the drive bezel see Remove the Drive Bezel 7 Connect the power and data cables to the d
105. nual Small Form Factor Computer Cover Small Form Factor Computer Cover Removing the Small Form Factor Computer Cover CAUTION Before you begin any of the procedures in this section read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before removing the computer cover 1 Perform the procedure Before Working on Your Computer 2 Ifa security cable or a padlock through the padlock ring is attached remove it K NOTE For convenience lay the computer on its side before working inside the chassis 3 Locate the cover release latch and slide it back as you lift the end of the cover near the latch 4 With the cover end near the latch raised slightly slide the cover toward the latch end of the chassis to pull the tabs at the other end of the cover out of the slots in the chassis CAUTI ON Graphics card heatsinks can become very hot during normal operation Ensure that a graphics card heatsink has had sufficient time to cool before you touch it padlock ring cover release latch Replacing the Small Form Factor Computer Cover CAUTI ON Before you begin any of the procedures in this section read the safety information that shipped with your computer For additional safety best practices inform
106. o devices to the microphone speaker headphone or line in connectors on the back panel of the computer 14 If you installed an network adapter card and want to turn off the integrated network adapter a Enter system setup select Network Controller and change the setting to Off See the Dell Technology Guide for more information b Connect the network cable to the network adapter card s connectors Do not connect the network cable to the integrated network connector on the back panel of the computer NOTICE If you disable the integrated network adapter you will not have AMT functionality 15 Install any drivers required for the card as described in the card documentation Removing a PCI or PCle Card 1 Perform the procedure Before Working on Your Computer 2 Gently push the release tab on the card retention latch from the inside to pivot the latch open The latch will remain in the open position card retention latch alignment guide EW card a card edge connector 5 card connector 6 release tab 3 If necessary disconnect any cables connected to the card 4 If you are removing the card permanently install a filler bracket in the empty card slot opening NOTE Installing filler brackets over empty card slot openings is necessary to maintain FCC compliance of the computer The brackets keep dust and dirt out of your computer and maintains the airflow that cools your computer NOTICE To connect a netwo
107. of the bezel to release the drive bay insert Remove the drive bay insert from the front of the bezel 1 retention tab 2 drive bay insert Replacing Drive Bay I nserts If you are removing a drive and need to replace the inserts 1 From inside the chassis place the plastic insert over the drive bay opening and insert the tabs at the right edge of the insert into the slots at the right side of the drive bay opening 2 Swing the left side of the insert into the opening until it snaps into place Hard Drive The computer may include one 3 5 inch hard drive or one or two 2 5 inch hard drives A CAUTION Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before removing the computer cover NOTICE To avoid damage to the drive do not set it on a hard surface I nstead set the drive on a surface such as a foam pad that will sufficiently cushion it NOTICE When handling 2 5 inch hard drives avoid pressing on the metal side drive label This can cause serious damage to the drove NOTE If you are removing or adding a drive that affects the RAID configuration of the system BIOS settings may need to be changed Refer to the Dell Technology Guide for
108. ogy Guide for more information Removing the Primary Hard Drive 1 If you are removing a hard drive that contains data you want to keep back up your files before you begin this procedure 2 Perform the procedure Before Working on Your Computer K NOTE Since the following steps do not require the complete removal of the optical drive and the floppy drive it is not necessary to disconnect the cables connecting the two drives 3 Remove the optical drive see Removing an Optical Drive 4 Ifa device is installed in the floppy drive media card reader bay remove it see Removing a Floppy Drive or Removing a Media Card Reader 5 Press in on the securing clips on each side of the drive bay caddy and slide the caddy towards the back of the computer NOTICE Do not pull the drive out of the computer by the drive cables Doing so may cause damage to cables and the cable connectors securing clips 2 hard drive 1 2 2 hard drive bay caddy DOE 6 Lift the drive bay caddy out of the chassis and disconnect the power and data cables from the drive 7 Ifthe primary hard drive is a 3 5 inch hard drive remove the drive from the drive bay caddy by gently bending out the release tabs on the side of the caddy and lifting out the drive 3 arive bay caddy 8 If the primary hard drive is a 2 5 inch hard drive it is mounted on the top flat side of a 2 5 inch hard drive caddy in the drive bay caddy To remove the primary
109. om the drive bay caddy by gently bending out the release tabs on the side of the caddy and lifting out the 2 5 inch hard drive caddy 2 5 inch hard drive and 2 5 inch hard drive caddy release tabs 2 d Position the secondary 2 5 inch hard drive onto the U shaped side of the 2 5 inch hard drive caddy with the side of the drive with the label plate facing toward the caddy and the connector end of the drive toward the end of the caddy with the cable cutout e Secure the drive to the drive caddy with four screws two on each side f Attach the power cable y adapter to the hard drives installed in the caddy 1 power cable adapter g Install the 2 5 inch hard drive caddy into the drive bay caddy by gently bending out the release tabs on the side of the caddy and positioning the 2 5 inch drive caddy in the drive bay caddy The pins inside the drive bay caddy should align with the holes on the sides of the 2 5 inch hard drive caddy and the connector end of the hard drive should face the back of the drive bay caddy 2 5 hard drive caddy 2 5 hard drive release tabs 2 a drive bay caddy h Connect the power and data cables to the drives Ensure that the data cable to the primary hard drive is connected to SATAO on the system board and the data cable to the secondary drive is connected to SATA1 see System Board Components i Lower the drive bay caddy into the drive bay and slide it forward until it clicks into place 2
110. onnections and fold cables out of the way to provide airflow for the fan and cooling vents 8 Perform the procedure After Working on Your Computer 9 Verify that your computer works correctly by running the Dell Diagnostics see the Dell Technology Guide Hard Drive The OptiPlex 960 desktop chassis support either one or two 3 5 inch hard drives or one or two 2 5 inch hard drives If a single hard drive is installed it may be a 3 5 inch or 2 5 inch hard drive When installing a second hard drive the hard drive being installed must be he same type 3 5 inch or 2 5 inch as the drive in the chassis CAUTION Before you begin any of the procedures in this section read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance NOTICE To guard against electrical shock always unplug your computer from the electrical outlet before removing the computer cover NOTICE When handling 2 5 inch hard drives avoid pressing on the drive label This can cause serious damage to the drive NOTICE To avoid damage to the drive do not set it on a hard surface I nstead set the drive on a surface such as a foam pad that will sufficiently cushion it XK Oo 0 CO gt NOTE If you are removing or adding a drive that affects the RAID configuration of the system BIOS settings may need to be changed Refer to the Dell Technol
111. option you prefer If you changed the setting move to the Apply button and press Enter K NOTE The default setting is On Silent 4 Save your BIOS settings and exit system setup Back to Contents Page Back to Contents Page Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual Mini Tower Computer Cover Mini Tower Computer Cover Removing the Mini Tower Computer Cover CAUTION Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before removing the computer cover 1 Perform the procedure Before Working on Your Computer 2 Lay the computer on its side as shown in the illustration 3 Ifa security cable or a padlock through the padlock ring is attached remove it K NOTE For convenience lay the computer on its side before working inside the chassis 4 Locate the cover release latch and slide it back as you lift the end of the cover near the latch 5 With the cover end near the latch raised slightly slide the cover toward the latch end of the chassis to pull the tabs at the other end of the cover out of the slots in the chassis CAUTION Graphics card heatsinks can become very hot during normal operation Ensure that a
112. or 2 5 inch as the drive in the chassis A CAUTION Before you begin any of the procedures in this section read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before removing the computer cover NOTICE To avoid damage to the drive do not set it on a hard surface I nstead set the drive on a surface such as a foam pad that will sufficiently cushion it NOTICE If you are replacing a hard drive that contains data you want to keep back up your files before you begin this procedure 1 Perform the procedure Before Working on Your Computer 2 Unpack the replacement hard drive and prepare it for installation 3 Check the documentation for the drive to verify that it is configured for your computer 4 Remove the drive bay caddy for the drive to be installed Primary hard drives must be installed in the upper drive bay If a second 2 5 inch hard drive is installed it is mounted on a 2 5 inch hard drive caddy with the primary drive in the upper drive bay 5 If installing a 3 5 inch hard drive gently spread the sides of the drive bay caddy and slide the hard drive into the caddy aligning the screw holes on the side of the drive with the pins inside the caddy The connector end of the hard drive must be
113. ord has been assigned by someone else contact your network administrator for information on resetting the chassis intrusion detector Back to Contents Page Back to Contents Page Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual Processor Processor CAUTION Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance NOTICE To prevent static damage to components inside your computer discharge static electricity from your body before you touch any of your computer s electronic components You can do so by touching an unpainted metal surface on the computer chassis Removing the Processor 1 Perform the procedure Before Working on Your Computer 2 Remove the hard drive shroud assembly see Removing the Hard Drive and Shroud Assembly 3 Remove the optical drive see Removing an Optical Drive 4 If an internal wireless card is installed unplug the card from the system board and move it and the wireless card cable away from the fan shroud see Internal Wireless Card Removal 5 Remove all cables routed through guides on the fan shroud 6 Disconnect the two fan cables from the system board see System Board Components 7 Loosen the two captive screw on each side of the heatsink assembly and lift the assembly out of the chassis heats
114. osition the drive until it clicks into place floppy drive bracket slots 3 pp 4 Insert the data cable into the connector on the system board see System Board Components Route the data cable under the guides on the sides of the fan shroud cable release tab floppy drive data cable edge connector cable routing guide 5 Insert the floppy drive cable into the cable release tab on the floppy drive and press down on the tab until it clicks to lock it in place 6 Replace the hard drive and shroud assembly see Replacing the Hard Drive and Shroud Assembly 7 Replace the optical drive see Installing an Optical Drive 8 Check all cable connections and cable routing 9 Perform the procedure After Working on Your Computer 10 If you are adding a floppy drive to the computer system a Boot your computer and press F2 when prompted to enter system Setup see the Dell Technology Guide b On the Settings menu select Drives then Diskette Drive c Choose the option to Enable the floppy drive d Click Apply then Exit e Reboot your computer 11 Verify that your computer works correctly by running the Dell Diagnostics see the Dell Technology Guide Media Card Reader A CAUTION Before you begin any of the procedures in this section read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ complia
115. ppropriate Drive option 0 or 1 under Drives See the Dell Technology Guide for more information 9 Verify that your computer works correctly by running the Dell Diagnostics see the Dell Technology Guide Floppy Drive CAUTION Before you begin any of the procedures in this section read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before removing the computer cover NOTE If you will be operating your computer without an optical drive or a 3 5 inch device floppy drive installed the appropriate drive bay insert must be installed in place of the drive Contact Dell if you need a drive bay insert Removing a Floppy Drive 1 If the floppy drive you are removing will not be replaced a Boot your computer and press F2 when prompted to enter system Setup see the Dell Technology Guide b On the Settings menu select Drives then Diskette Drive c Choose the option to Disable the floppy drive d Click Apply then Exit e Reboot your computer and power it off 2 Perform the procedure Before Working on Your Computer NOTE Since the following steps do not require the complete removal of the optical drive it is not necessary to disconnect the cables connecting the optical drive 3 Remove the optic
116. r 4 card connector A CAUTION Some network adapters automatically start the computer when they are connected to a network To guard against electrical shock be sure to unplug your computer from its electrical outlet before installing any cards 3 securing ot nok al cards fa securing tab 6 Place the card in the connector and press down firmly Using the following illustration as a guide ensure that the card is fully seated in the slot card fully seated card not fully seated bracket within slot 4 bracket caught outside of slot K NOTE If you are installing a PCle x16 card ensure that the securing tab on the connector s release lever fits into the slot on the front end of the card 7 Gently rotate the release tab downward to move the card retention latch into place to secure the cards 3 fers o connector oa NOTICE Do not route card cables over or behind the cards Cables routed over the cards can prevent the computer cover from closing properly or cause damage to the equipment 8 Connect any cables that should be attached to the card 9 Perform the procedure After Working on Your Computer NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 10 If you installed a sound card a Enter system setup select Audio Controller and change the setting to Off see the Dell Technology Guide b Connect external audio devices to the so
117. r Service Manual Internal Speaker Internal Speaker Installing an Internal Speaker The internal speaker is an optional device A CAUTION Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance NOTICE To prevent static damage to components inside your computer discharge static electricity from your body before you touch any of your computer s electronic components You can do so by touching an unpainted metal surface on the computer chassis 1 Perform the procedure Before Working on Your Computer A CAUTION Disconnect your computer and all attached devices from their electrical outlets 2 To mount the internal speaker press the locking tab position the speaker housing retention tabs under the grill retention tabs provided on top of the hard drive cage and release the locking tab hard drive cage retention tab 2 speaker housing retention tab 2 afer locking tat hard drive cage 6 system board speaker connector 3 Connect the speaker cable to the INT SPKR1 connector on the system board see System Board Components 4 Perform the procedure After Working on Your Computer 5 Boot the computer and check for acceptable speaker performance Removing an Internal Speaker A CAUTION Before working inside your computer read the safety informatio
118. r countries Microsoft Windows Windows Server MS DOS and Windows Vista are either trademarks or registered trademarks of Microsoft Corporation in the United States and or other countries Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products Dell Inc disclaims any proprietary interest in trademarks and trade names other than its own Model DCSM December 2008 Rev A01 Back to Contents Page Back to Contents Page Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual Cards Cards A CAUTION Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance NOTICE To prevent static damage to components inside your computer discharge static electricity from your body before you touch any of your computer s electronic components You can do so by touching an unpainted metal surface on the computer chassis K NOTE Installing filler brackets over empty card slot openings is necessary to maintain FCC compliance of the computer The brackets help to keep foreign objects out of your computer and help direct airflow for cooling Your Dell computer provides the following connectors for PCI and PCI Express PCIe cards Two PCI card slots One PCle x16 card slot
119. r provided with the computer if available 5 Remove the wireless card cable from its routing path 6 Grasp the wireless card assembly at the ends press down the card retention clasp release and lift the card to unplug it from the system board wireless card connector Remove the wireless card assembly from the chassis 7 Close the opening for the Wi Fi external antenna connector with the plug provided for the computer Contact Dell for a replacement plug if none is available 8 Replace the computer cover Installing a Second External Serial Port If adding an external serial port using a serial connector mounted on a slot filler bracket connect the internal cable of the connector to the internal serial port connector on the system board see System Board Components Back to Contents Page Back to Contents Page Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual Chassis Intrusion Switch Chassis Intrusion Switch CAUTION Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance Removing the Chassis Intrusion Switch 1 Perform the procedure Before Working on Your Computer 2 Disconnect the chassis intrusion switch cable from the system board by using two fingers to squeeze the release mechanism on one side of the connector as you pul
120. rademarks or registered trademarks of Microsoft Corporation in the United States and or other countries Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products Dell Inc disclaims any proprietary interest in trademarks and trade names other than its own Model DCCY December 2008 Rev A01 Back to Contents Page Back to Contents Page Small Form Factor Computer Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual Inside View of Your Computer Inside View of Your Computer hard drive and shroud assembly system board nai freatsng assembly CT Back to Contents Page Back to Contents Page System Board Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual Removing the System Board Mini Tower Desktop and Small Form Factor Computers Replacing the System Board Mini Tower Desktop and Small Form Factor Computers Removing the System Board Mini Tower Desktop and Small Form Factor Computers 1 Perform the procedure Before Working on Your Computer NOTI CE Before touching anything inside your computer ground yourself by touching an unpainted metal surface such as the metal at the back of the computer While you work periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components 2 Remove any components that restrict
121. removed in step 3 11 Connect any cables that should be attached to the card NOTICE Do not route card cables over or behind the cards Cables routed over the cards can prevent the computer cover from closing properly or cause damage to the equipment 12 Perform the procedure After Working on Your Computer 13 If you installed a sound card perform the following steps a Enter system setup select Audio Controller and change the setting to Off see the Dell Technology Guide b Connect external audio devices to the sound card s connectors Do not connect external audio devices to the microphone speaker headphone or line in connectors on the back panel 14 If you installed a network adapter card and want to turn off the integrated network adapter a Enter system setup select Network Controller and change the setting to Off see the Dell Technology Guide b Connect the network cable to the network adapter card s connectors Do not connect the network cable to the integrated network connector on the back panel of the computer NOTICE If you disable the integrated network adapter you will not have AMT functionality 15 Install any drivers required for the card as described in the card documentation Removing a PCI Card From the Riser Card Cage 1 Perform the procedure in Before Working on Your Computer 2 Remove the riser card cage a Check any cables connected to cards through the back panel openings
122. rform the procedure After Working on Your Computer Back to Contents Page Back to Contents Page Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual System Board Components System Board Components fan connector FAN_CPU processor connector CPU processor power connector 12VPOWER memory module connectors DIMM_1 DIMM_2 DIMM_3 DIMM_4 2 SATA drive connectors 3 6 password jumper PSWD internal USB connector FLEX_USB Service Mode jumper SERVICE_MODE power connector POWER 10 system status LEDs panel connector FRONTPANEL I O assembly connectors 2 internal serial connector z 15 auxiliary power LED AUX_POWER PCI connector SLOT2 17 PCI connector SLOT3 PCle x1 connector SLOT4 i intrusion switch connector 14 PCle x16 connector SLOT1 INTRUDER 19 BIOS RTC reset jumper pins RTC battery socket BATTERY 21 connectors comprise riser interface 22 floppy connector DSKT2 uses PCle connector SLOT1 and PCI connector SLOT2 23 connector for optional internal 24 connector for optional speaker INT_SPKR1 wireless card 25 front panel thermal sensor connector i Back to Contents Page Back to Contents Page Memory Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual You can increase your computer memory by installing memory modules on the system board Your computer supports DDR2 memory For additional
123. rive and shroud assembly i General I nstallation Guidelines for SATA Devices SATA connectors on the system board are labeled SATAO SATA1 and SATA2 Hard drives must be connected to the lower numbered SATA connectors while any other SATA devices like an optical drive must be connected to the remaining SATA connectors numbered higher than the one that the hard drive s is connected to For example if you have two SATA hard drives and one SATA optical drive connect the two hard drives to the SATAO and SATA1 connectors and connect the SATA optical drive to the SATA2 connector See System Board Components for the location of SATA connectors on the system board Connecting Drive Cables When you install a drive you connect two cables a DC power cable and a data interface cable to the back of the drive Data I nterface Connectors Serial ATA SATA Connector data interface cable connector SATA interface connector Power Cable Connectors n ss 1 power cable 2 power input connector Connecting and Disconnecting Drive Cables When removing an cable with a pull tab grasp the colored pull tab and pull until the connector detaches When connecting and disconnecting a SATA data cable hold the cable by the black connector at each end Removing Drive Bay I nserts If you are installing a new drive 1 Perform the procedure Before Working on Your Computer 2 Press the insert retention tab on the inside
124. rive and to the system board Always connect the optical drive SATA cable to a system board SATA connector that is labeled with a number higher than those connected to any hard drives installed in the computer power cable data cable 1 SATA optical drive connector A 8 Check all cable connections and fold cables out of the way to provide airflow for the fan and cooling vents 9 FPerform the procedure After Working on Your Computer 10 Update your configuration information in system setup by setting the appropriate Drive option SATA 1 SATA 2 or SATA 3 under Drives See the Dell Technology Guide 11 Verify that your computer works correctly by running the Dell Diagnostics see the Dell Technology Guide Back to Contents Page Back to Contents Page Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual I O Assembly O Assembly Removing the I O Assembly CAUTION Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before removing the cover K NOTE Note the routing of all cables as you remove them so that you can re route them correctly when installing the new I O assembly 1 Perform the procedure Befor
125. rk cable first plug the cable into the network wall jack and then plug it into the computer 5 FPerform the procedure After Working on Your Computer 6 Uninstall the card s driver See the documentation that came with the card for instructions 7 If you removed a sound card a Enter system setup select Audio Controller and change the setting to On See the Dell Technology Guide for more information b Connect external audio devices to the audio connectors on the back panel of the computer 8 If you removed a network adapter card connector a Enter system setup select Network Controller and change the setting to On See the Dell Technology Guide for more information b Connect the network cable to the integrated network connector on the back panel of the computer Internal Wireless Card Installation The internal wireless card is an optional device 1 wireless card assembly 2 wireless card cable to antenna Wi Fi external antenna connector 4 card retention clasp release To install the card do the following 1 Perform the procedure Before Working on Your Computer 2 If installed remove the filler plug covering the opening in the back panel for the Wi Fi external antenna connector 3 Locate the wireless card connector on the system board see System Board Components 1 wireless card cable 2 Wi Fi external antenna connector wireless card assembly 4 wireless card connector 4 Po
126. rt is correctly installed If an error message appears on the screen write down the exact message This message may help support personnel to diagnose and fix the problem s If an error message occurs in a program see the program documentation Power Problems CAUTION Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see www dell com regulatory_ compliance The diagnostic lights on the front of the computer along with the status of the power button indicate the potential problem with the system Consult the following table in case of a power problem K NOTE The diagnostic lights will blink when the power button is amber or off and will not when it is blue This has no other significance Light Pattern Problem Description Suggested Resolution 9191010 The computer is either turned Reseat the power cable in the power connector on the back of the computer and the electrical off or not receiving power outlet Bypass power strips power extension cables and other power protection devices to verify that the computer turns on properly Ensure that any power strips being used are plugged into an electrical outlet and are turned on Z Ensure that the electrical outlet is working by testing it with another device such as a lamp Ensure that the main power cable and front panel cable are securely connected to the system board Off
127. ry module press the module straight down into the connector while you apply equal force to each end of the module 4 Insert the module into the connector until the module snaps into position If you insert the module correctly the securing clips snap into the cutouts at each end of the module 5 Perform the procedure After Working on Your Computer NOTI CE To connect a network cable first plug the cable into the network port or device and then plug it into the computer 6 Connect your computer and devices to electrical outlets and turn them on 7 When the message appears stating that memory size has changed press lt F1 gt to continue 8 Log on to your computer 9 Right click the My Computer icon on your Windows desktop and click Properties 10 Click the General tab 11 To verify that the memory is installed correctly check the amount of memory RAM listed Removing Memory CAUTION Before you begin any of the procedures in this section read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance NOTICE To avoid electrostatic discharge and damage to internal components ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface on the computer chassis 1 Perform the procedure Before Working on Your Computer 2 Press out the securing
128. s Card Removal To remove an internal wireless card do the following 1 Perform the procedure Before Working on Your Computer Disconnect the Wi Fi external antenna from the connector on the back of the computer Disengage the Wi Fi external antenna connector from the chassis by sliding it along the back panel toward the power supply then withdrawing it from the opening Remove the wireless card cable from its routing path Grasp the wireless card assembly at the ends press down the card retention clasp release and lift the card to unplug it from the system board wireless card connector Remove the wireless card assembly from the chassis Close the opening for the Wi Fi external antenna connector with the plug provided for the computer Contact Dell for a replacement plug if none is available Perform the procedure After Working on Your Computer I nstalling a Second External Serial Port If adding an external serial port using a serial connector mounted on a slot filler bracket connect the internal cable of the connector to the internal serial port connector on the system board see System Board Components Back to Contents Page Back to Contents Page Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual Chassis Intrusion Switch Chassis Intrusion Switch CAUTION Before working inside your computer read the safety information that shipped with your computer For additional safety best practic
129. sition the wireless card connector directly above the system board connector with cable edge of the card toward the back of the chassis 5 Insert the wireless card connector into the system board connector until the card retention clasp catches the metal loop on the side of the chassis and holds the card securely in place NOTICE When routing the wireless card cable through the chassis avoid making sharp bends This can cause signal degradation 10 11 12 Route the wireless card cable through the cable guides on the top of the heatsink assembly along the cable bundle for the front panel wiring and through the cable clip on the side of the power supply Remove the plug on the back panel where the external connector for the Wi FI antenna is installed Position the external antenna connector at the end of the wireless card cable in the antenna connector opening in the back panel so that the retaining tabs on the connector faceplate pass through the opening and the bent end of the connector faceplate is pointed away from the power supply Slide the connector sideways along the back panel slightly so that the retaining tabs on the connector faceplate hold the connector to the back panel Connect the Wi Fi external antenna to the wireless card cable connector Perform the procedure After Working on Your Computer Restart your computer Setup the wireless device software as needed to support your wireless network Internal Wireles
130. ss card cable through the cable guides on the top of the heatsink assembly and along the cable bundle for the front panel wiring Store and secure excess cable on the side of the heatsink assembly near the back of the front panel 7 Remove the plug on the back panel where the connector for the Wi FI antenna is installed 8 Position the external antenna connector at the end of the wireless card cable in the antenna connector opening in the back panel so that the retaining tabs on the connector faceplate pass through the opening and the bent end of the connector faceplate is pointed away from the power supply 9 Slide the connector sideways along the back panel slightly so that the retaining tabs on the connector faceplate hold the connector to the back panel 10 Connect the Wi Fi external antenna to the wireless card cable connector 11 Replace the computer cover 12 Restart your computer Setup the wireless device software as needed to support your wireless network Internal Wireless Card Removal To remove an internal wireless card do the following 1 Perform the procedure in Before Working on Your Computer 2 Disconnect the Wi Fi external antenna from the connector on the back of the computer 3 Disengage the Wi Fi external antenna connector from the chassis by sliding it along the back panel toward the power supply then withdrawing it from the opening 4 Plug the opening for the Wi Fi external antenna connector using the cove
131. stalled properly Steady Amber 09121010 Possible peripheral card or motherboard failure has occurred Steady Amber 0009 A possible motherboard failure has occurred Steady Amber 0009 A possible coin cell battery failure has occurred o Steady Amber 4 If the LED still does not illuminate the problem is probably with the power supply Contact Dell see Contacting Dell Reinstall the CPU and restart the system If the computer still fails to boot inspect the CPU socket for damage If the problem persists contact Dell see Contacting Dell If two or more memory modules are installed remove the modules then reinstall one module and restart the computer If the computer starts normally continue to install additional memory modules one at a time until you have identified a faulty module or reinstalled all modules without error If only one memory module is installed try moving it to a different DIMM connector and restart the computer If available install verified working memory of the same type into your computer If the problem persists contact Dell see Contacting Dell Replace the CPU with a known good CPU If the computer still fails to boot inspect the CPU socket for damage If the problem persists contact Dell see Contacting Dell The computer hardware is operating normally but the BIOS may be corrupt or missing Contact Dell see Contacting Dell Remove all peripheral cards from the PCI and P
132. t the computer turn it on and enter system setup see the Dell Technology Guide If the date and time are not correct in system setup replace the battery You can operate your computer without a battery however without a battery the configuration information is erased if the computer is turned off or unplugged from the electrical outlet In this case you must enter system setup see the Dell Technology Guide and reset the configuration options CAUTION A new battery can explode if it is incorrectly installed Replace the battery only with the same or equivalent type recommended by the manufacturer Discard used batteries according to the manufacturer s instructions To remove the battery 1 If you have not already done so make a copy of your configuration information found in system setup 2 Perform the procedure Before Working on Your Computer 3 Remove the computer cover 4 Locate the battery socket NOTICE If you pry the battery out of its socket with a blunt object be careful not to touch the system board with the object Ensure that the object is inserted between the battery and the socket before you attempt to pry out the battery Otherwise you may damage the system board by prying off the socket or by breaking circuit traces on the system board NOTICE To avoid damage to the battery connector you must firmly support the connector while removing the battery 5 Remove the system battery a Support the
133. t the power cable from the power cable adapter 4 Disconnect the data cable s from the hard drive s in the in bay the containing the drive being removed 5 Remove the drive bay caddy holding of the drive by pressing in the blue release tabs on each side of the caddy and sliding the caddy up and out of the computer hard drive s release tabs 2 6 If the drive being removed is a 3 5 inch hard drive remove it from the drive bay caddy by gently bending out the sides of the drive bay caddy to free the drive 1 hard drive or 2 5 inch hard drive caddy drive bay caddy 7 Ifthe drive being removed is a 2 5 inch hard drive a Remove the 2 5 inch hard drive caddy from the drive bay caddy by gently bending out the sides of the drive bay caddy lifting out the hard drive caddy 1 hard drive or 2 5 inch hard drive caddy 2 drive bay caddy b Detach the hard drive to be removed from the 2 5 inch hard drive caddy by removing the four screws two on each side that secure it to the caddy The primary hard drive is mounted on the flat side of the 2 5 inch hard drive caddy and the secondary hard drive is mounted on the U shaped side 1 2 5 inch hard drive mounted as the primary 2 2 5 inch hard drive drive caddy 8 Ifa primary hard drive was removed and is not being replaced and a secondary drive is installed move the secondary hard drive into the primary hard drive position a If the secondary hard drive is
134. tached devices from their electrical outlets 5 Press and hold the power button while the system is unplugged to ground the system board 6 Remove the computer cover Mini tower Removing the Mini Tower Computer Cover Desktop Removing the Desktop Computer Cover Small form factor Removing the Small Form Factor Computer Cover NOTICE Before touching anything inside your computer ground yourself by touching an unpainted metal surface such as the metal at the back of the computer While you work periodically touch an unpainted metal surface to dissipate static electricity which could harm internal components Turning Off Your Computer NOTICE To avoid losing data save and close all open files and exit all open programs before you turn off your computer 1 Shut down the operating system 2 Ensure that the computer and all attached devices are turned off If your computer and attached devices did not automatically turn off when you shut down your operating system press and hold the power button for about 4 seconds to turn them off After Working on Your Computer After you have completed any replacement procedures ensure you connect any external devices cards cables etc before turning on your computer 1 Replace the computer cover Mini tower Replacing the Mini Tower Computer Cover Desktop Replacing the Desktop Computer Cover Small form factor Replacing the Small Form Factor Computer Cover 2 Conn
135. talled and enabled causes the following message to appear on the screen at the next computer start up ALERT Cover was previously removed 6 Reset the chassis intrusion detector by changing Chassis Intrusion to On or On Silent See Resetting the Chassis Intrusion Detector NOTE If an administrator password has been assigned by someone else contact your network administrator for information on resetting the chassis intrusion detector Back to Contents Page Back to Contents Page Dell Optiplex 960 Mini Tower Desktop Small Form Factor Service Manual Processor Processor CAUTION Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance NOTICE To prevent static damage to components inside your computer discharge static electricity from your body before you touch any of your computer s electronic components You can do so by touching an unpainted metal surface on the computer chassis Removing the Heatsink Assembly 1 If cables are routed through the cable guides on the top or sides of the heatsink shroud detach them and move them away from the heatsink assembly 2 Loosen the two captive screws one on the upper and one on the lower sides of the heatsink assembly CAUTION Despite having a plastic shield the heatsink assembly may be very hot during norma
136. the chassis avoid making sharp bends This can cause signal degradation 6 Route the wireless card cable through the cable channel on the top of the heatsink assembly through the cable guides on the side of the hard drive shroud and to the back panel Use cable clips with existing cable bundles to manage excess cable if necessary 7 Remove the plug on the back panel where the connector for the Wi FI antenna is installed 8 Position the external antenna connector at the end of the wireless card cable in the antenna connector opening in the back panel so that the retaining tabs on the connector faceplate pass through the opening and the bent end of the connector faceplate is pointed away from the power supply 9 Slide the connector sideways along the back panel slightly so that the retaining tabs on the connector faceplate hold the connector to the back panel 10 Connect the Wi Fi external antenna to the wireless card cable connector 11 12 Replace the computer cover Restart your computer Setup the wireless device software as needed to support your wireless network Internal Wireless Card Removal To remove an internal wireless card do the following 1 Perform the procedure Before Working on Your Computer Disconnect the Wi Fi external antenna from the connector on the back of the computer Disengage the Wi Fi external antenna connector from the chassis by sliding it along the back panel toward the power supply then
137. tor for optional internal 24 connector for optional wireless card speaker INT_SPKR1 Back to Contents Page connector Dell OptiPlex 960 Service Manual Small Form Factor Computer Working on Your Computer I O Panel Inside View of Your Computer Power Supply System Board Components Speakers Cover Battery Chassis Intrusion Switch System Board Cards Memory Drives Troubleshooting Tips Processor Contacting Dell Notes Notices and Cautions K NOTE A NOTE indicates important information that helps you make better use of your computer NOTI CE A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem A CAUTION A CAUTION indicates a potential for property damage personal injury or death If you purchased a Dell n Series computer any references in this document to Microsoft Windows operating systems are not applicable Information in this document is subject to change without notice 2008 Dell Inc All rights reserved Reproduction of this material in any manner whatsoever without the written permission of Dell Inc is strictly forbidden Trademarks used in this text Dell the DELL logo OptiPlex Dell OpenManage and the YOURS IS HERE logo are trademarks of Dell Inc Intel Pentium and Celeron are registered trademarks of Intel Corporation in the U S and other countries Microsoft Windows Windows Server MS DOS and Windows Vista are either t
138. udio connectors on the back panel of the computer NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer K NOTE See the documentation for the card for information about the card s cable connections 11 If you removed a network adapter card connector a Enter system setup select Integrated NIC from the Onboard Devices group and change the setting to On see the Dell Technology Guide b Connect the network cable to the integrated network connector on the back panel of the computer PCle and DVI Cards Your computer supports one low profile PCle x16 card If you are replacing a PCle card with a different type of PCle card remove the current driver for the card from the operating system See the documentation that came with the card for information Installing a PCle x16 Card or DVI Card 1 Perform the procedure Before Working on Your Computer K NOTE For PCI card locations see System Board Components 2 Gently lift the release tab on the card retention latch from the inside and pivot the latch open 3 If you are installing a new PCle x16 card or DVI card remove the filler bracket to create a card slot opening Then continue with step 4 4 If you are replacing a PCle x16 card or DVI card remove the card see Removing a PCle x16 Card or DVI Card If necessary disconnect any cables connected to the card Then continue with step 5 5 Prepare the card
139. udio from the Onboard Devices group and change the setting to Off see the Dell Technology Guide b Connect external audio devices to the sound card s connectors Do not connect external audio devices to the line in connector on the back panel of the computer NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 12 If you installed a network adapter card and want to turn off the integrated network adapter a Enter system setup select Integrated NIC from the Onboard Devices group and change the setting to Off see the Dell Technology Guide b Connect the network cable to the network adapter card s connectors Do not connect the network cable to the integrated network connector on the back panel of the computer 13 Install any drivers required for the card as described in the card documentation Removing a PCle x16 Card or DVI Card 1 Perform the procedure Before Working on Your Computer 2 Gently lift the release tab on the card retention latch from the inside and pivot the latch open 3 If necessary disconnect any cables connected to the card 4 Pull the release lever until you move the securing tab out of the securing slot If you are removing a PCle x16 card pull the release lever and lift the card up and out of the card connector If you are removing a DVI card pull the release lever lift the removal pull tab up and remove the card from the card con
140. und card s connectors Do not connect external audio devices to the microphone speaker headphone or line in connectors on the back or front panel 11 If you installed a network adapter card and want to turn off the integrated network adapter a Enter system setup select Network Controller and change the setting to Off see the Dell Technology Guide b Connect the network cable to the connector on the network adapter card Do not connect the network cable to the integrated network connector on the back panel of the computer 12 Install any drivers required for the card as described in the card documentation Removing a PCI Card 1 Perform the procedure Before Working on Your Computer 2 Gently rotate upward the release tab on the card retention latch card retention latch 2 1 release lever 4 system board connector 3 If necessary disconnect any cables connected to the card 4 If you are replacing a PCle x16 card remove the installed card by gently pulling the release lever away from the card until securing tab is out of the securing slot Then lift the card out of the chassis 3 securing sot nob al caras a securing tab 5 Grasp the card by its top corners and ease it out of its connector 6 If you are removing the card permanently install a filler bracket in the empty card slot opening NOTE Installing filler brackets over empty card slot openings is necessary to maintain FCC compliance of the
141. ve Bay I nserts If you are removing a drive and need to replace the inserts At the front of the bezel place the plastic insert over the drive bay opening and insert the tabs at the right edge of the insert into the slots at the right 1 side of the drive bay opening 2 Swing the left side of the insert into the opening until it snaps into place 3 Perform the procedure After Working on Your Computer Optical Drive CAUTION Before you begin any of the procedures in this section read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before removing the computer cover NOTE If you will be operating your computer without an optical drive or a 3 5 inch device floppy drive or media card reader installed the appropriate drive bay insert must be installed in place of the drive Contact Dell if you need a drive bay insert See Removing Drive Bay Inserts Removing an Optical Drive 1 Perform the procedure Before Working on Your Computer NOTICE Do not pull the drive out of the computer by the drive cables Doing so may cause damage to cables and the cable connectors 2 Lift the drive release latch and slide the drive towards the back of the computer Then lift it out of the computer 1 dr
142. ve bezel c Remove the shoulder screws from the 3 5 drive bay insert and attach them to the new drive d Remove the drive bay insert for the 3 5 inch drive bay if installed floppy drive shoulder screws 4 shoulder screw slots 2 pt 5 Replace the drive bezel see Remove the Drive Bezel 6 Attach the data cables to the floppy drive and to the system board Route the data cable through the cable guides on the fan shroud Attach the power cable to the drive floppy drive connector DSKT ii 7 FPerform the procedure After Working on Your Computer 8 If you are adding a floppy drive to the computer system Boot your computer and press F2 when prompted to enter system Setup see the Dell Technology Guide b On the Settings menu select Drives then Diskette Drive c Choose the option to Enable the floppy drive d Click Apply then Exit e Reboot your computer 9 Verify that your computer works correctly by running the Dell Diagnostics see the Dell Technology Guide Media Card Reader CAUTION Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_ compliance A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before removing the computer cover Removing the Media Card Reader 1 Perform the pro
143. ver on the socket is not fully extended move it to that position 4 Orient the front and rear alignment notches on the processor with the front and rear alignment notches on the socket 5 Align the pin 1 corners of the processor and socket processor cover processor processor socket center coveriatch release lever front aignment notch 3 socket and processor pint calor rearaignment noten E NOTICE To avoid damage ensure that the processor aligns properly with the socket and do not use excessive force when you install the processor 6 Set the processor lightly in the socket and ensure that the processor is positioned correctly 7 When the processor is fully seated in the socket close the processor cover Ensure that the tab on the processor cover is positioned underneath the center cover latch on the socket 8 Pivot the socket release lever back toward the socket and snap it into place to secure the processor 9 Clean the thermal solution from the bottom of the heatsink NOTICE Ensure that you apply new thermal solution New thermal solution is critical for ensuring adequate thermal bonding which is a requirement for optimal processor operation 10 Apply the new thermal solution to the top of the processor as needed 11 Replace the heatsink assembly a Set the heatsink in place on the system board b Tighten the four captive screws to secure the heatsink to the chassis c Reconnect the two
144. ving a Floppy Drive 5 Remove the bezel see Remove the Bezel 6 Disconnect the I O assembly cables from the system board see System Board Components I O assembly I O assembly cables connectors 7 Gently pull the I O assembly release tab forward and slide the I O assembly to the right to release it from it s locator slot Move the I O assembly away from front panel while guiding the I O assembly cables out of the front of the chassis 8 If you are not replacing the I O assembly a Replace the hard drive and shroud assembly see Replacing the Hard Drive and Shroud Assembly 9 Perform the procedure After Working on Your Computer Replacing the I O Assembly To replace the I O assembly do the following 1 Remove the computer cover if installed see System Board Components NOTE Use the guides on the I O assembly bracket to help position the I O assembly in place and use the notch on the I O assembly bracket to help seat the panel 2 Remove the bezel see Remove the Bezel 3 Feed the I O assembly cables into the front of the chassis through the opening for the I O assembly until the assembly is in place Ensure that the securing tab points toward the right toward the grill 4 With the I O connector block in flush to the front panel shift it to the right then shift it to the left and push it in until it snaps into place Notice that when shifting the connector block to the left a tang on the left end of the

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