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Dell OptiPlex GX260 Service Manual - MI

1. 2 Replace the computer cover Ensure that the two metal hooks and tabs are securely in place To help replace the computer cover remove the accent door and front mask from the computer cover a Remove the front mask by releasing the tabs on the inside of the computer cover b Remove the accent door by pressing the middle of the door while you lift away the sides of the door 3 Replace the computer cover and ensure that the two metal hooks and tabs are securely in position 1 metal hooks 2 4 To replace the front mask and accent door press them into position Small Desktop Computer Follow the steps in the Removing the Control Panel procedure in the reverse order ensuring that all tabs are secure Small Mini Tower Computer Follow the steps in the Removing the Control Panel procedure in the reverse order ensuring that all tabs are secure Back to Contents Page Back to Contents Page Cards and Adapters Dell OptiPlex GX260 Service Manual Small Form Factor Computer Small Desktop Computer Small Mini Tower Computer Your computer provides slots for the following cards e In the small form factor computer one low profile 32 bit 33 MHz PCI card or serial port adapter one DVI adapter card or one 32 bit low profile AGP 4x card operating at 1 5 V e In the small desktop computer two 32 bit 33 MHz PCI cards or one PCI card and one serial port adapter one DVI adapter card or one 32 bit
2. NOTICE If you are not installing a microprocessor upgrade kit from Dell reuse the original blower heat sink assembly when you replace the microprocessor If you are installing a microprocessor replacement kit from Dell return the microprocessor to Dell in the same package in which your replacement kit was sent 12 Reinstall the two screws that attach the blower to the heat sink 13 Lower the heat sink blower assembly to the microprocessor so that the heat sink fits in the retention base 14 Raise the retention lever and press until the heat sink is secured You will feel the lever pause once it is at a 90 degree angle Keep pressing the lever another 30 degrees ensuring that it is in the locked position Heat Sink Blower Assembly Replacement heat sink blower assembly 2 lever 3 retention base 15 Plug the fan cable into the FAN connector on the system board 16 Plug the 12 volt power cable into the 12VPOWER connector on the system board Small Mini Tower Computer 1 Disconnect the cooling fan power cable from the FAN connector on the system board 2 Disconnect the 12 volt power cable from the 12VPOWER connector on the system board 3 Rotate the airflow shroud Airflow Shroud Rotation I Ri Lina gf LiLLLI LL LL ELL A nl ni W LCELELALLALEE LI iii LLLE Ey Rey Beat ol ly a a E 4 Remove the heat sink a Press and lower the green lever on the retention mechanism until it is parallel to the s
3. 5 Lower the retention arm into place securing the card s in the computer see Closing the Retention Arm Removing a Serial Port Adapter LAN CAUTION Before you perform this procedure see Precautionary Measures 1 Raise the retention arm Disconnect the cable from the system board connector Lift and remove the card bracket If you are removing the card permanently install a filler bracket in the empty card slot opening If you need a filler bracket contact Dell NOTE Installing filler brackets over empty card slot openings is necessary to maintain FCC certification of the computer The brackets also keep dust and dirt out of your computer Lower the retention arm and press it into place AGP and DVI Adapter Cards A CAUTION Before you perform this procedure see Precautionary Measures Removing an AGP or DVI Adapter Card 1 Remove the filler bracket by raising the hinged lever and sliding the filler bracket up Filler Bracket Removal hinged lever filler bracket 2 3 On the card clip press the card clip lever toward the card slot Pull the card up and out of the card clip Removing the Card card notch card clip lever card clip tab card clip card slot Installing an AGP or DVI Adapter Card 1 To add or replace the card press the card clip lever toward the card slot and gently press the card into the slot connector until it clicks into place 2 Release t
4. If you are installing a replacement drive see step 2 in the previous section for instructions on attaching rails 4 Gently slide the drive into place until the tabs securely click into position 5 Connect the power audio and CD DVD drive cables to the drive Connecting Power Audio and Drive Cables power cable z audio cable 3 corvo arive cable 6 If you are installing a new CD DVD drive rather than replacing a drive remove the front panel inserts 7 If you are installing a drive that has its own controller card install the controller card in a card slot 8 Check all cable connections and fold cables out of the way to provide airflow for the fan and cooling vents Back to Contents Page Back to Contents Page Front Panel Inserts Dell OptiPlex GX260 Service Manual a Removing Front Panel Inserts a Replacing Front Panel Inserts Removing Front Panel I nserts 1 On the small form factor computer face the front of the computer and use your fingers to remove the front panel insert 2 On the small desktop computer a Face the front of the computer and use your fingers to remove the front panel insert b Press the insert until it pops free of the front panel cover 3 On the small mini tower computer a Open the computer cover to a 45 degree angle and disconnect the CD DVD drive data cable b Open the cover to a 90 degree angle and release the insert tabs from inside the chassis c Press
5. Installing filler brackets over empty card slot openings is necessary to maintain FCC certification of the computer The brackets also keep dust and dirt out of your computer Lower the retention arm and press it into place AGP and DVI Adapter Cards Removing an AGP or DVI Adapter Card Li Remove the filler bracket by raising the hinged lever and sliding the bracket up Press the indented tab on the hinged lever with your thumb until you release the tab Continue holding the lever and pull the lever up Filler Bracket Removal hinged lever indented tab side view 2 Press the card clip lever toward the card slot and remove the installed card Removing the Card t Installing an AGP or DVI Adapter Card 1 To add or replace the card press the card clip lever toward the card slot and gently press the card into the slot connector until it clicks into place 2 Release the card clip lever ensuring that the tab on the card clip lever fits into the notch on the front end of the card 3 Secure the card by lowering the hinged lever on the back panel 4 Close the computer cover 5 Attach the computer stand optional NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 6 Connect the monitor cable to the card s video connector 7 Connect your computer and devices to electrical outlets and turn them on Back to Contents Page Back to
6. Contents Page Small Mini Tower Computer Dell OptiPlex GX260 Service Manual PCI Cards Serial Port Adapters AGP and DVI Adapter Cards NOTE Before disconnecting a device from the computer or removing a component from the system board verify that the standby power light on the system board is off For the location of this light see System Board PCI Cards Installing a PCI Card LAN CAUTION Before you perform this procedure see Precautionary Measures 1 Press the lever on the card retention arm and raise the retention arm Raising the Retention Arm and Installing a Card card edge connector card connector lever filler bracket 4 retention arm 2 If you are installing a new card remove the filler bracket to create a card slot opening then continue with step 4 3 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 top corners and ease it out of its connector 4 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 Verify that the standby power light on the system board is off To locate this light see System Board 5 Place the card in the connector and press down fi
7. Floppy Drive 1 Disconnect the power and data cables from the CD DVD drive located above the floppy drive 2 Disconnect the power and floppy drive cables from the back of the floppy drive 3 Disconnect the floppy drive cable from the system board connector labeled DSKT Removing Power and Drive Cables power cable floppy drive connector DSKT g 2 ronpy arve cae g 4 Press inward on the two tabs on the sides of the drive slide the drive upward and remove it from the floppy drive bay Floppy Drive Removal Installing a Floppy Drive 1 If the replacement drive does not have the bracket rails attached see step 2 in the previous section for instructions on attaching rails 2 Gently slide the drive into place until the tabs securely click into position 3 Attach the power and floppy drive cables to the floppy drive 4 Connect the other end of the floppy drive cable to the connector labeled DSKT on the system board Attaching Power and Drive Cables 1 power cable a 2 floppy drive cable 3 floppy drive connector DSKT 5 Reconnect the power and data cables to the back of the drive installed in the CD DVD drive bay located above the floppy drive 6 Check all cable connections and fold cables out of the way to provide airflow for the fan and cooling vents 7 Close the computer cover 8 Attach the computer stand optional CD DVD Drive Ay CAUTION Before you perform this procedu
8. O panel follow the removal procedures in reverse Back to Contents Page Back to Contents Page Memory Dell OptiPlex GX260 Service Manual Removing a Memory Module Adding a Memory Module Removing a Memory Module A CAUTION Use a wrist grounding strap as explained in Precautionary Measures 1 Press the securing clips outward simultaneously until the memory module disengages and pops out slightly from the socket 2 Lift the module away from the socket Adding a Memory Module 1 Press out the securing clip at each end of the memory module connector Installing a Memory Module cutouts 2 securing clips 2 memory connectors on system board 2 Align the notch on the bottom of the module with the crossbar in the connector NOTICE To avoid damage to the memory module press the module straight down into the socket with equal force applied at each end of the module 3 Insert the module straight down into the connector ensuring that it fits into the vertical guides at each end of the connector Press firmly on the ends of the module until it snaps into place If you insert the module correctly the securing clips snap into the cutouts at each end of the module Back to Contents Page Back to Contents Page Microprocessor Dell OptiPlex GX260 Service Manual Removing and Installing the Heat Sink Assembly and Microprocessor Small Form Factor and Smal
9. removing and replacing the components assemblies and subassemblies in the Dell OptiPlex GX260 small form factor small desktop and small mini tower computers Unless otherwise noted each procedure assumes that the following conditions exist e You have performed the steps in Precautionary Measures e You have opened the computer cover Recommended Tools The GX260 computer is primarily a tool less one but certain procedures such as removing the heat sink blower or the control panel require the use of one or more of the following tools e Small flat blade screwdriver e 1 and 2 Phillips head screwdrivers e An 8 inch 2 Phillips head screwdriver Also Dell recommends that you use a wrist grounding strap as explained in Precautionary Measures Precautionary Measures Use the following safety guidelines to help protect your computer from potential damage and to ensure your own personal Safety Ay CAUTION Do not attempt to service the computer yourself except as explained in your online Dell documentation or otherwise provided to you Always follow installation and service instructions closely NOTICE To help avoid possible damage to the system board wait 5 seconds or wait until the standby light is extinguished after turning off the computer and unplugging the power cord before removing a component from the system board or disconnecting a device from the computer Before you start to work on the computer p
10. the drive on a surface such as a foam pad that will sufficiently cushion it 2 Unpack the replacement hard drive and prepare it for installation 3 If the replacement drive does not have the bracket rails attached see step 2 in the previous section for instructions on attaching rails 4 Install the hard drive into the computer by gently sliding the drive into place until you hear it securely click NOTICE Match the colored strip on the cable with pin 1 on the drive pin 1 is marked as 1 5 Connect the power and hard drive cables to the drive Attaching Power and Drive Cables 6 Check all connectors to be certain that they are properly cabled and firmly seated 7 If your computer has a hard drive shroud replace the shroud by inserting the two tabs on the bottom into the holes in the computer and snapping the top into place Operating the computer without a hard drive shroud does not affect its performance 8 Close the computer cover 9 Attach the computer stand optional Front Panel I nserts If you are installing a new floppy or CD DVD drive rather than replacing a drive remove the front panel inserts 1 Facing the front of the computer use your fingers to remove the front panel cover Removing Front Panel I nserts 2 Press the inserts until they pop free of the front panel cover Floppy Drive AX CAUTION Before you perform this procedure see Precautionary Measures Removing a
11. the insert until it pops free of the front panel cover Small Form Factor Computer Small Desktop Computer Small Mini Tower Computer Replacing Front Panel Inserts To replace a front panel insert follow the appropriate procedure in reverse in Removing Front Panel Inserts Back to Contents Page Back to Contents Page I O Panel Dell OptiPlex GX260 Service Manual Removing the I O Panel Replacing the I O Panel Removing the I O Panel Small Form Factor Computer 1 To access the screw that holds the I O panel to the computer remove the hard drive 1 0 Panel Removal Small Form Factor Computer internal speaker cable chassis intrusion switch cable front audio cable I O cable 2 Disconnect the control panel cable from the control panel connector on the I O panel Disconnect the I O cable from the I O panel 3 control panel cable 3 Remove all cables that are connected to the I O panel such as the chassis intrusion switch and internal speaker cables 4 From inside the computer cover remove the mounting screw that secures the I O panel to the computer 5 Remove the I O panel from the computer Small Desktop Computer 1 Remove the hard drive shroud 2 Disconnect the hard drive data cable 3 Disconnect the control panel cable from the control panel connector on the I O panel Disconnect the I O cable from the I O panel Note the routing of the control panel cable a
12. the replacement system board may be in different locations than the corresponding connectors on the existing system board 6 Orient the replacement board by aligning the notches on the bottom to the tabs on the computer floor 7 Slide the board toward the back of the computer until it clicks into place 8 Replace any components and cables that you removed from the system board Back to Contents Page Back to Contents Page Small Desktop Computer Dell OptiPlex GX260 Service Manual PCI Cards Serial Port Adapters AGP and DVI Adapter Cards NOTE Before disconnecting a device from the computer or removing a component from the system board verify that the standby power light on the system board is off For the location of this light see System Board PCI Cards Removing a PCI Card A CAUTION Before you perform this procedure see Precautionary Measures 1 Remove the card cage a Check any cables connected to cards through the back panel openings Disconnect any cables that will not reach the card cage once the cage is removed from the computer b Gently pull the handle and lift the card cage up and away from the computer Removing the Card Cage TJara cae 2 rande _ 2 Press the lever on the retention arm and raise the retention arm Raising the Retention Arm and Installing a Card afee JE erede connector 2 retention arm 6 card connector __ 3 fr bracket 7 riser sora ajea fojas I nsta
13. CAUTION Before you perform this procedure see Precautionary Measures 1 Press the lever on the card retention arm and raise the retention arm 2 If necessary disconnect any cables connected to the card 3 Grasp the card by its top corners and ease it out of its connector 4 If you are removing the card permanently install a filler bracket in the empty card slot opening If you need a filler bracket contact Dell NOTE Installing filler brackets over empty card slot openings is necessary to maintain FCC certification of the computer The brackets also keep dust and dirt out of your computer 5 Lower the retention arm and press it into place 6 Remove the card s driver from the operating system Serial Port Adapters Installing a Serial Port Adapter A CAUTION Before you perform this procedure see Precautionary Measures 1 Lift the tab on the card retention arm and raise the retention arm see Raising the Retention Arm 2 Remove the filler bracket 3 Slide the card bracket down over the card slot opening and ensure that the top of the card bracket is flush with the alignment bar and the notch in the top of the card bracket fits around the alignment guide see Closing the Retention Arm 4 Attach the serial card cable to the connector on the system board labeled SER2 Installing a Serial Port Adapter SER2 system board connector card bracket serial card cable card slot opening 2 O 4
14. DVD drive bay was previously empty remove the front panel inserts see Front Panel Inserts 7 Close the computer cover 8 Attach the computer stand optional Small Desktop Computer Hard Drive Front Panel Inserts Floppy Drive CD DVD Drive Hard Drive A CAUTION Before you perform this procedure see Precautionary Measures Removing a Hard Drive 1 Your computer s hard drive may or may not have a plastic shroud cover Operating the computer without a hard drive Shroud does not affect its performance If your computer s hard drive does not have a shroud proceed to the next step If your computer s hard drive does have a shroud remove it by pressing in on the indented tab at the top of the Shroud and lifting the shroud away Removing the Hard Drive Shroud K NOTE Your computer s hard drive may or may not have a plastic shroud cover Operating the computer without a hard drive shroud does not affect its performance 2 Disconnect the power and hard drive cables from the drive Removing Power and Drive Cables pera give cable 2 ower cable power cable 3 Press in on the tabs on each side of the drive and slide the drive up and out Removing the Hard Drive ape a 2 rard arve I nstalling a Hard Drive 1 Check the documentation 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 Instead set
15. Dell OptiPlex GX260 Service Manual Before You Begin Computer Cover Inside Your Computer Badge Battery Chassis Intrusion Switch Control Panel Cards and Adapters Drives Front Panel Inserts 1 O Panel Memory Microprocessor Power Supply System Board la 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 AX CAUTION A CAUTION indicates a potential for property damage personal injury or death Information in this document is subject to change without notice 2003 Dell Computer Corporation All rights reserved Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden Trademarks used in this text Dell the DELL logo and OptiPlex are trademarks of Dell Computer Corporation 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 Computer Corporation disclaims any proprietary interest in trademarks and trade names other than its own March 2003 Rev A02 Back to Contents Page Before You Begin Dell OptiPlex GX260 Service Manual Getting Started Recommended Tools Precautionary Measures Protecting Against Electrostatic Discharge Getting Started This section provides procedures for
16. able slot padlock ring release buttons one on each side Small Mini Tower Computer a agoan f venfirarearo ererrerroe re r T erere re res TITTI J TTI Lr y r Fi LI 1 Remove the padlock from the padlock ring if present NOTICE Ensure that sufficient space exists to support the open cover at least 30 cm 1 ft of desktop space NOTICE Open the computer cover slowly to prevent damage to the system cables 2 TO open the cover on the small form factor or small desktop computer a Remove the computer stand if it is attached b Locate the two release buttons shown in the illustration and then press the two release buttons as you lift the cover c Raise the back of the cover and pivot it toward the front of the computer 3 To open the cover on the small mini tower computer a Lay the computer on its side as shown in the illustration b Facing the back of the computer press the release button on the right side of the computer with one hand while pulling up on the top of the cover with the other hand c Press the release button on the left side of the computer with one hand while pulling up on the top of the cover with the other hand d Hold the bottom of the computer with one hand and then pull open the cover with the other hand Closing the Computer Cover 1 Check all cable connections especially those that might have come loose during your work Fold
17. ack panel on the computer NOTICE Before you disconnect a device from the computer or remove a component from the system board verify that the standby power light on the system board has turned off To locate the light see System Board Components 1 Shut down the computer through the Start menu 2 Ensure that your computer and attached devices are turned off If your computer and attached devices did not automatically turn off when you shut down your computer turn them off now NOTICE To disconnect a network cable first unplug the cable from your computer and then unplug it from the network wall jack 3 Disconnect any telephone or telecommunication lines from the computer 4 Disconnect your computer and all attached devices from their electrical outlets and press the power button to ground the system board 5 Remove the computer stand if it is attached A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before opening the cover 6 Open the 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 any static electricity that could harm internal components Removing the Control Panel Small Form Factor Computer 1 Using a flat blade screwdriver release the four tabs fro
18. by its pins Protecting Against Electrostatic Discharge Static electricity can harm delicate components inside your computer To prevent static damage discharge static electricity from your body before you touch any of your computer s electronic components such as the microprocessor You can do so by touching an unpainted metal surface on the computer chassis As you continue to work inside the computer periodically touch an unpainted metal surface to remove any static charge your body may have accumulated You can also take the following steps to prevent damage from electrostatic discharge ESD e When unpacking a static sensitive component from its shipping carton do not remove the component from the antistatic packing material until you are ready to install the component in your computer J ust before unwrapping the antistatic packaging be sure to discharge static electricity from your body e When transporting a sensitive component first place it in an antistatic container or packaging e Handle all sensitive components in a static safe area If possible use antistatic floor pads and workbench pads Back to Contents Page Back to Contents Page Computer Cover Dell OptiPlex GX260 Service Manual Opening the Computer Cover Closing the Computer Cover Opening the Computer Cover Small Form Factor Computer security cable slot padlock ring release buttons one on each side Small Desktop Computer security c
19. cables out of the way so that they do not catch on the computer cover Gently pull the power cables toward you so that they do not get caught underneath the drives 2 Check to see that no tools or extra parts including screws are left inside the computer 3 Close the cover a Pivot the cover down b Press down on the right side of the cover until it closes c Press down on the left side of the cover until it closes d Make sure both sides of the cover are locked If not repeat this step 4 Replace the padlock if required Back to Contents Page Back to Contents Page Inside Your Computer Dell OptiPlex GX260 Service Manual Key Components Computer Cables Key Components K NOTE User service access points are color coded green Small Form Factor Computer system board hard ave Jo floppy drive power supply chassis intrusion switch DI z afeoovoarve e pedick ng a internal speaker neat sink and Blower assem 5 a Small Desktop Computer Poraa Je internal speaker heat sink and blower assembly chassis intrusion switch 8 system board padlock ring 5 power supply 10 CD DVD drive Small Mini Tower Computer i 6 heat sink and blower assembly hard drive system board o CO DvD arve z z 3 crassis Intrusion sunen a foppy arve a 5 Computer Cables Small Form Factor Computer COTOVD arive dota cable 6 10E dota cable hora ove 2 oppy arve date cable 7_ inpuvout
20. cure each rail to the drive Attach the bracket rails to the new drive by aligning the screw holes on the drive with the screw holes on the bracket rails and then inserting and tightening all four screws two screws on each rail Drive Bracket Rails bracket rails 2 3 Install the hard drive into the computer by gently sliding the drive into place until you hear it securely click NOTICE Match the colored strip on the cable with pin 1 on the drive pin 1 is marked as 1 4 Connect the power and hard drive cables to the drive Attaching Power and Drive Cables 5 Check all connectors to be certain that they are properly cabled and firmly seated Front Panel Inserts If you are installing a new floppy or CD DVD drive rather than replacing a drive remove the front panel insert Front Panel Insert Removal Floppy Drive Ay CAUTION Before you perform this procedure see Precautionary Measures Removing a Floppy Drive 1 Disconnect the floppy drive cable from the system board connector DSKT 2 Remove the power cable from the interposer board 3 Disconnect the CD DVD drive cable and the power cable from the CD DVD drive 4 Remove or raise the drive by pressing the green tabs on either side of the drive and lifting the drive up 5 Remove the floppy drive cable from the floppy drive a Remove the interposer board from the floppy drive by pressing the tab and rotating the interposer board Removing
21. d connector of the drive cable is the master device and the device connected to the middle connector is the slave device Be sure that the jumper setting on the new device is set for cable select see the documentation that came with the drive for information Attaching Cables power cable second hard drive cable secondary drive first hard drive cable primary boot drive Front Panel I nserts If you are installing a new floppy or CD DVD drive rather than replacing a drive remove the front panel inserts 1 Open the cover to a 90 degree angle and release the insert tabs from inside the computer Releasing the Insert Tabs 2 Press the insert until it pops free of the front panel cover Removing the Front Panel I nserts Floppy Drive Ay CAUTION Before you perform this procedure see Precautionary Measures Removing a Floppy Drive 1 Disconnect the power and floppy drive cables from the back of the floppy drive 2 Disconnect the other end of the floppy drive cable from the system board labeled DSKT Removing Power and Drive Cables Fi power coble 2 floppy drive cable 3 floppy drive connector DSKT 3 Press inward on the two tabs on the sides of the drive slide the drive upward and remove it from the floppy drive bay Installing a Floppy Drive 1 If the replacement drive does not have the bracket rails attached see step 2 in the previous section for instructions on attaching rai
22. e chassis intrusion cable as you remove it from the chassis Chassis hooks may hold the cable in place inside the chassis 2 Slide the chassis intrusion switch out of its slot and remove the switch and its attached cable from the chassis Replacing the Chassis Intrusion Switch To replace the chassis intrusion switch follow the Removing the Chassis Intrusion Switch procedures in reverse order Resetting the Chassis Intrusion Detector 1 Enter system setup by pressing lt F2 gt during the computer s POST a NOTE For instructions on using system setup see the User s Guide 2 Under the System Security tab reset the Chassis Intrusion option by pressing the left or right arrow key to select Reset Change the setting to Enabled Enabled Silent or Disabled K NOTE The default is Enabled Silent NOTE If a setup password has been assigned by someone else contact the network administrator for information on resetting the chassis intrusion detector 3 Press lt Alt gt lt B gt to restart the computer and implement your changes Back to Contents Page Back to Contents Page Control Panel Dell OptiPlex GX260 Service Manual Removing the Control Panel Replacing the Control Panel Ay CAUTION Before you perform this procedure see Precautionary Measures NOTICE To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface Such as the b
23. e the battery socket labeled BATTERY see System Board 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 4 Remove the battery by carefully prying it out of its socket with your fingers or with a blunt nonconducting object such as a plastic screwdriver 5 Insert the new battery into the socket with the side labeled facing up and snap the battery into place NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 6 Close the computer cover and plug your computer and devices into electrical outlets 7 Replace the padlock if required 8 Properly dispose of the old battery Back to Contents Page Back to Contents Page Chassis Intrusion Switch Dell OptiPlex GX260 Service Manual Removing the Chassis Intrusion Switch oe Replacing the Chassis Intrusion Switch d Resetting the Chassis Intrusion Detector Removing the Chassis Intrusion Switch Small Form Factor Computer Small Desktop Computer 1 Disconnect the chassis intrusion switch cable connector from the control panel on the front of the chassis Note the routing of th
24. e to the serial port connector on the system board labeled SER2 AGP and DVI Adapter Cards Removing an AGP or DVI Adapter Card 1 Remove the filler bracket by raising the hinged lever and sliding the bracket up AGP Slot Filler Bracket Removal F a ti i ee CIS E FFEN SO ee rr rrr RAI Ct ARI A AE a a a a a a a E ee ee a a a a oa a rrr e ae eee se Fo si ua hinged lever filler bracket 2 On the card clip press the card clip lever toward the card slot 3 Pull the card up and out of the card clip AGP Card Removal 1 card clip lever 3 slot connector afra aferas Installing an AGP DVI Adapter Card 1 To add or replace the card gently press it down into the slot connector until it clicks into place 2 Release the card clip lever ensuring that the tab on the card clip lever fits into the notch on the front end of the card 3 Secure the card by lowering the hinged lever on the back panel 4 Close the computer cover NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the Computer 5 Connect the monitor cable to the card s video connector 6 Connect your computer and devices to electrical outlets and turn them on Back to Contents Page
25. edure see Precautionary Measures 1 Remove the two green plastic rails from the inside of the hard drive bay by gently pulling the rails up and out of the bay 2 Attach the rails to the hard drive using the two screws attached to the rails Ensure that the rail tabs are positioned at the back of the hard drive NOTICE Do not install any drive into the lower hard drive bay until you have removed the green drive rails from the inside of the hard drive bay 3 Remove the first hard drive from the upper bay and install it in the lower bay a Disconnect the power and the hard drive cables from the back of the first hard drive b Press in the two green rail tabs and pull the first hard drive out of the upper bay c Gently slide the first hard drive into the lower bay until you hear a click d Reconnect the power and hard drive cables to the back of the first hard drive 4 Gently slide the new hard drive into the upper bay until you hear a click Installing a Second Hard Drive rail tabs 2 first hard drive in lower bay hard drive bay 5 Connect a power cable to the drive z 2 second hard arive in upper bay g a NOTICE Match the colored strip on the cable with pin 1 on the drive 6 Locate the extra connector on the drive cable that is attached to your first hard drive and attach the connector to the second hard drive Your computer uses cable select drive cables This means that the device connected to the en
26. erform the following steps in the sequence listed 1 Perform an orderly computer shutdown using the operating system menu 2 Turn off the computer and all attached devices 3 Ground yourself by touching an unpainted metal surface on the chassis such as the metal around the card slot openings at the back of the computer before touching anything inside your computer While you work periodically touch an unpainted metal surface on the computer chassis to dissipate any static electricity that might harm internal components 4 Disconnect your computer and devices from their power sources Also disconnect any telephone or telecommunication lines from the computer Doing so reduces the potential for personal injury or shock In addition take note of these safety guidelines when appropriate e When you disconnect a cable pull on its connector or on its strain relief loop not on the cable itself Some cables have a connector with locking tabs if you are disconnecting this type of cable press in on the locking tabs before disconnecting the cable As you pull connectors apart keep them evenly aligned to avoid bending any connector pins Also before you connect a cable make sure both connectors are correctly oriented and aligned e Handle components and cards with care Do not touch the components or contacts on a card Hold a card by its edges or by its metal mounting bracket Hold a component such as a microprocessor chip by its edges not
27. ess the clips to close them over the cables Back to Contents Page Back to Contents Page System Board Dell OptiPlex GX260 Service Manual System Board Components Removing the System Board Replacing the System Board System Board Components l 2 3 4 5 6 921 i n n i i Na Tr LI I bit hb LA Add iiia eee ines Be B Ne 7 19 18 8 17 9 16 10 7 Im i 11 15 14 13 12 back of computer Toppy drive connector OSKM x2 D arive audio cable connector CD n internal speaker SPEAKER sd AB telephony connector MODEM battery socket BATTERY ha power connector Q2VPOWER EDIDVD arive connector IDE 15 second serial connector SER hard drive connector IDE1 16 microprocessor and heat sink connector CPU 1 2 3 a 5 6 front panel connector FRONTPANEL memory module connectors DIMM A and DIMM B PCI riser small mini tower computer only 18 microprocessor fan connector FAN 8 standby power light AUX_PWR 19 power connector POWER 9 AGP card connector AGP 20 RTC reset jumper RTCRST 10 PCI card connectors PCI1 PCI2 PCI3 and PCI 4 21 password jumper PSWD 2 front panel audio cable connector FRonTAUDIN System Board J umpers RTCRST System Board J umper Settings Jumper Setting pesco o PSWD Password features are enabled green jumper Password features are disab
28. essor Removal release lever 2 microprocessor 3 socket NOTICE Ground yourself by touching an unpainted metal surface on the back of the computer NOTICE Be careful not to bend any of the pins when you unpack the microprocessor Bending the pins can permanently damage the microprocessor 7 Unpack the new microprocessor Microprocessor Installation 1 pin 1 corners of microprocessor and socket aligned NOTICE You must position the microprocessor correctly in the socket to avoid permanent damage to the microprocessor and the computer when you turn on the computer 8 If the release lever on the socket is not fully extended move it to that position 9 Align the pin 1 corners of the microprocessor and socket NOTICE When you place the microprocessor in the socket ensure that all of the pins fit into the corresponding holes on the socket Be careful not to bend the pins 10 Set the microprocessor lightly in the socket and make sure that all pins are headed into the correct holes Do not use force which could bend the pins if the microprocessor is misaligned When the microprocessor is positioned correctly press it with minimal pressure to seat it 11 When the microprocessor is fully seated in the socket pivot the release lever back toward the socket until it snaps into place to secure the microprocessor NOTICE Ground yourself by touching an unpainted metal surface on the back of the computer
29. he card clip lever ensuring that the tab on the card clip lever fits into the notch on the front end of the card 3 Secure the card by lowering the hinged lever on the back panel 4 Close the computer cover 5 Attach the computer stand optional NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 6 Connect the monitor cable to the card s video connector 7 Connect your computer and devices to electrical outlets and turn them on Back to Contents Page Back to Contents Page Drives Dell OptiPlex GX260 Service Manual Small Form Factor Computer Small Desktop Computer Small Mini Tower Computer Small Form Factor Computer Hard Drive Front Panel Inserts Floppy Drive CD DVD Drive Hard Drive A CAUTION Before you perform this procedure see Precautionary Measures Removing a Hard Drive 1 Disconnect the power cable and hard drive cable from the drive Removing Power and Drive Cables di power cable 2 hard drive cable 2 Press in on the tabs on each side of the drive slide the drive toward the I O panel and remove it from the computer Removing the Hard Drive Installing a Hard Drive 1 Unpack the replacement hard drive and prepare it for installation 2 If your replacement drive does not have the bracket rails attached remove the rails from the old drive by removing the two screws that se
30. hey are connected to a network To guard against electrical shock be sure to unplug your computer from its electrical outlet before installing any cards Verify that the standby power light on the system board is off To locate this light see System Board Place the card on the connector and press down firmly Ensure that the card is fully seated in the slot If the card is full length insert the end of the card into the card guide bracket as you lower the card toward its connector on the system board Insert the card firmly into the card connector on the system board Card Connection racket caught outside of slot fully seated card not fully seated card 7 Before you lower the retention arm ensure that ape 2 oracket within sot g a e The tops of all cards and filler brackets are flush with the alignment bar e The notch in the top of the card or filler bracket fits around the alignment guide Press the arm into place securing the card s in the computer Closing the Retention Arm alignment bar retention arm filler bracket alignment guide 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 Install any drivers required for the card as described in the card documentation Removing a PCI Card A
31. l Desktop Computers Small Mini Tower Computer Small Form Factor and Small Desktop Computers 1 Disconnect the cooling fan power cable from the FAN connector on the system board 2 Disconnect the 12 volt power cable from the 12VPOWER connector on the system board 3 Remove the heat sink blower assembly a The heat sink is attached to the blower Press and lower the green lever on the retention mechanism until it is parallel to the system board b Gently rock the heat sink and then slightly twist it as you lift it from the microprocessor NOTICE Lay the heat sink down with the thermal solution facing upward Heat Sink Blower Assembly Removal 1 1 blower 4 retention base 2 screws 2 5 heatsink ative J 4 Lift the heat sink blower assembly away from the microprocessor 5 Remove the two screws on the blower to remove it from the heat sink NOTI CE Do not discard the blower You will reuse it If you are installing a microprocessor upgrade kit from Dell discard the original heat sink If you are not installing a microprocessor upgrade kit from Dell reuse the original heat sink when you install your new microprocessor NOTICE Be careful not to bend any of the pins when you remove the microprocessor Bending the pins can permanently damage the microprocessor 6 Pull the release lever straight up until the microprocessor is released and then remove the microprocessor from the socket Microproc
32. led RTCRST Removing the System Board A CAUTI ON Before you remove any component from the system board see Precautionary Measures Ki NOTE The system board and metal tray are attached and are removed as one piece 1 2 Remove any components that restrict access to the system board Disconnect all cables from the system board Before you remove the existing system board visually compare the replacement system board to the existing system board to make sure that you have the correct part Pull up on the tab and slide the system board toward the front of the computer and then lift it up and away Removing the System Board 5 Place the system board that you just removed next to the replacement system board Replacing the System Board 1 Transfer components from the existing system board to the replacement system board 2 Remove the memory modules and install them on the replacement board A CAUTION The microprocessor package and heat sink assembly can get hot To avoid burns be sure that the package and assembly have had sufficient time to cool before you touch them 3 Remove the heat sink assembly and microprocessor from the existing system board and transfer them to the replacement system board 4 Configure the settings of the replacement system board 5 Set the jumpers on the replacement system board so it is identical to the one on the existing board la NOTE Some components and connectors on
33. lling a Card 1 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 top corners and ease it out of its connector 2 Prepare the card for installation Ay 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 Insert the card into the card connector If the card is full length insert the end of the card into the card guide bracket as you lower the card toward its connector on the system board Insert the card firmly into the card connector on the riser board 4 Lower the retention arm and press it into place securing the card s in the computer 5 Replace the card cage a Align the tabs in the side of the card cage with the slots on the side of the computer and slide the card cage down into place b Make sure that the riser board is fully seated in the connector on the system board Replacing the Card Cage 1 6 Reconnect any cables that you removed in step 1 7 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 fro
34. low profile AGP 4x card operating at 1 5 V e In the small mini tower computer four 32 bit 33 MHz PCI cards or three PCI cards and one serial port adapter one DVI adapter card or one 32 bit AGP 4x card operating at 1 5 V NOTE Before disconnecting a device from the computer or removing a component from the system board verify that the auxiliary power light on the system board is off For the location of this light see System Board Small Form Factor Computer PCI Cards Serial Port Adapters AGP and DVI Adapter Cards PCI Cards Installing a PCI Card A CAUTION Before you perform this procedure see Precautionary Measures 1 If you are replacing a card remove the current driver for the card from the operating system 2 Raise the retention arm Raising the Retention Arm If you are installing a new card remove the filler bracket to create an empty card slot opening then continue with Step 5 If you are replacing a card that is already installed in the computer remove the card see Removing a PCI Card If necessary disconnect any cables connected to the card Grasp the card by its top corners and ease it out of its connector Prepare the card for installation See the documentation that came with the card for information on configuring the card making internal connections or otherwise customizing it for your computer A CAUTION Some network adapters automatically start the computer when t
35. ls 2 Gently slide the drive into place until the tabs securely click into position 3 Attach the power and floppy drive cables to the floppy drive 4 Connect the other end of the floppy drive cable to the connector labeled DSKT on the system board Attaching Power and Drive Cables Fi power cable 2 floppy drive cable 3 floppy drive connector DSKT 5 If you are installing a new floppy drive rather than replacing a drive remove the front panel inserts 6 Check all cable connections and fold cables out of the way to provide airflow for the fan and cooling vents CD DVD Drive A CAUTION Before you perform this procedure see Precautionary Measures Removing a CD DVD Drive 1 Disconnect the power audio and CD DVD drive cables from the back of the drive Removing Power Audio and Drive Cables CD DVD drive cable 2 Press inward on the two tabs on the sides of the drive and then slide the drive upward and remove it from the drive bay Installing a CD DVD Drive 1 If you are installing a new drive 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 If you are Installing an IDE drive configure the drive for the cable select setting 2 Connect the new drive to the set of rails that are attached to the inside of the cover If a set of rails is not attached inside the cover contact Dell 3
36. m closing properly or cause damage to the equipment 8 Close the computer cover 9 Attach the computer stand optional 10 Install any drivers required for the card as described in the card documentation Serial Port Adapters Installing a Serial Port Adapter A CAUTION Before you perform this procedure see Precautionary Measures 1 Remove the card cage see step 1 in Removing a PCI Card 2 Press the lever on the retention arm and raise the retention arm 3 Remove the filler bracket Raising the Retention Arm and Installing a Serial Port Adapter retention arm filler bracket adapter bracket 4 Slide the adapter bracket down over the card slot opening and lower the retention arm securing the adapter bracket 5 Route the serial adapter cable under the card cage and attach the cable to the connector on the system board labeled SER2 Replacing the Card Cage and Connecting the Cable aforas ooo 2 serial adapter cable serial adapter system board connector SER2 Removing a Serial Port Adapter A CAUTION Before you perform this procedure see Precautionary Measures LL Remove the card cage see step 1 in Removing a PCI Card Press the lever on the retention arm and raise the retention arm Lift and remove the adapter bracket If you are removing the card permanently install a filler bracket in the empty card slot opening If you need a filler bracket contact Dell NOTE
37. m the inside of the computer and remove the computer cover from the computer 1 metal control panel shield SCrew 2 Remove the metal control panel shield 3 Remove the screw that holds the control panel to the computer and remove the control panel Small Desktop Computer 1 Remove the front I O panel 2 Using an 8 inch 2 Phillips screwdriver remove the screw that secures the control panel to the computer and lift the panel away from the computer Small Mini Tower Computer 1 To remove the top and bottom panels of the computer remove any installed CD drives and release all the tabs on each panel computer cover tab remove the CD drive to access this tab top panel tabs bottom panel computer cover screw computer cover tabs 2 2 TO prepare the computer cover for removal release the three computer cover tabs one tab is located by the CD drive and two tabs are located by the I O panel 1 2 3 top panel 4 5 e K NOTE To release the tab located by the CD drive you can pry the computer cover away from the computer and pull out the tab 3 If necessary remove the computer cover screw 4 Close the computer and remove the computer cover 5 Remove the screw that secures the control panel to the computer and pull the control panel away from the computer Replacing the Control Panel Small Form Factor Computer 1 Replace the control panel and the control panel shield
38. putcabre 3 controk panel cable e npuvoutput audio cable a cOrOvD arive power cable o microprocessor power cable 5 IDE arive power cable hard rive 10 CD DVD audio cabe Small Desktop Computer CD DVD drive audio cable 5 CD DVD drive data cable 6 7 floppy drive data cable 7 control panel cable a Small Mini Tower Computer CD DVD arive power cable e DE arive power cable rard drive CD DVD arive audio able 8 inpuvoutpur cae Toppy arive power cabie_ 9 inpuvoutpur audo cae _ Cable Colors Back to Contents Page Back to Contents Page Badge Dell OptiPlex GX260 Service Manual Removing the Badge Replacing the Badge Small Desktop and Small Mini Tower Computers Removing the Badge Small Form Factor Computer 1 Open the computer cover 2 Using a flat blade screwdriver release the tabs from the inside of the computer and remove the plastic computer cover from the metal component Computer Cover Removal pi tabs two on each side 3 Remove the accent door by pressing the middle of the door while lifting away the sides of the door 4 From inside the front bezel push in on the two tabs on either side of the badge to release the badge 5 Press the badge until it is freed Small Desktop and Small Mini Tower Computers 1 Open the front USB door 2 From inside the door push in the two tabs on either side of the badge to release the badge 3 Press the badge until i
39. re see Precautionary Measures Removing a CD DVD Drive 1 Disconnect the power audio and CD DVD drive cables from the back of the drive 2 Disconnect the other end of the CD DVD drive cable from the system board connector 1DE2 Removing Power Audio and Drive Cables audio cable power cable z z 3 corvo arive cable a 10E2 connector _ 3 Press inward on the two tabs on the sides of the drive and then slide the drive upward and remove it from the drive Installing a CD DVD 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 If you are installing an IDE drive configure the drive for the cable select setting If the replacement drive does not have the bracket rails attached see step 2 in the previous section for instructions on attaching rails 3 Gently slide the drive into place until the tabs securely click into position 4 Connect the power audio and CD DVD drive cables to the drive 5 Connect the other end of the CD DVD drive cable to the IDE2 system board connector Connecting Power Audio and Drive Cables audio cable 2 power cable 6 If you are installing a drive that has its own controller card install the controller card in a card slot 7 Check all cable connections and fold cables out of the way to provide airflow for the fan and cooling vents 8 If the CD DVD dri
40. release button 2 AC power connector Small Mini Tower Computer 771377771377 A n 1 Li 1 Disconnect the AC power cable from the back of the power supply 2 Disconnect the DC power cables from the system board and the drives Note the routing of the DC power cables underneath the clips in the computer as you remove them from the system board and drives It is important to route these cables properly when you replace them to prevent them from being pinched or crimped 3 On the small desktop computer remove the expansion card cage and remove the power cables from the side of the hard drive To remove the power cables use the cables as leverage and pull away from the clips while simultaneously pulling on the metal clips with your fingers 4 On the small mini tower computer remove the two screws that attach the power supply to the rear wall 5 Press the release button On the small desktop computer press down on the handle which in turn presses the release button 6 Slide the power supply toward the front of the computer approximately 1 inch 7 Lift the power supply up and out of the computer Replacing the Power Supply 1 Slide the power supply into place 2 Reconnect the DC power cables 3 Connect the AC power cable to the connector 4 On the small desktop computer reattach the power cables to the side of the hard drive and replace the expansion card cage 5 Run the cables underneath the clips 6 Pr
41. rmly Make sure that the card is fully seated in the slot If the card is full length insert the end of the card into the card guide bracket as you lower the card toward its connector on the system board Insert the card firmly into the card connector on the system board Card Connection racket caught outside of slot fully seated card not fully seated card 6 Before you lower the retention arm ensure that DE 2 oracket within sot g a e The tops of all cards and filler brackets are flush with the alignment bar e The notch in the top of the card or filler bracket fits around the alignment guide Press the arm into place securing the card s in the computer Closing the Retention Arm filler bracket alignment guide 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 2 alignment bar 7 Connect any cables that should be attached to the card 8 Install any drivers required for the card as described in the card documentation Removing a PCI Card A CAUTION Before you perform this procedure see Precautionary Measures 1 Raise the retention arm see Raising the Retention Arm and Installing a Card 2 If necessary disconnect any cables connected to the card 3 Grasp the card by its top corners and ease it out of its connector 4 If you are removing the card permanently in
42. s procedure see Precautionary Measures Removing a CD DVD Drive 1 Disconnect the power and audio cables from the interposer board 2 Remove the interposer board from the drive Removing the I nterposer Board 1 interposer board 3 Press inward on the two tabs on the sides of the drive and then slide the drive upward and remove it from the drive bay Installing a CD DVD 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 If you are installing an IDE drive configure the drive for the cable select setting 2 Gently slide the drive into place until the tabs securely click into position 3 Connect the interposer board to the CD drive a Ensure that the interposer board tab fits securely under the notch on the inside of the cover b Attach the power and audio cables to the interposer board Connecting the I nterposer Board interposer board 2 notch on inside of cover 3 interposer board tab If your computer came with an IDE CD drive use the spare connector on the existing interface cable Otherwise use the IDE interface cable provided in the drive kit 4 If you are installing a drive that has its own controller card install the controller card in an expansion slot 5 Check all cable connections and fold cables out of the way to provide airflow for the fan and cooling vents 6 If the CD
43. s you remove it from the computer so that you can replace it correctly 4 Remove all cables that are connected to the I O panel such as the chassis intrusion switch and internal speaker cables 5 Remove the mounting screw that secures the I O panel to the computer 6 Remove the I O panel from the computer 1 0 Panel Removal Small Desktop Computer 1 1 O cable control panel cable mounting screw chassis intrusion switch cable 3 front audio cable 6 internal speaker cable 7 Remove all cables that are connected to the I O panel 8 Remove the mounting screw that secures the I O panel to the computer 9 Remove the I O panel from the computer Small Mini Tower Computer 1 0 Panel Removal Small Mini Tower Computer 1 internal speaker cable chassis intrusion switch cable control panel cable front audio cable 1 O cable 1 Disconnect the control panel cable from the control panel connector on the I O panel Disconnect the I O cable from the I O panel 3 mounting screw Note the routing of the control panel cable as you remove it from the computer so that you can replace it correctly 2 Remove all cables that are connected to the I O panel such as the chassis intrusion switch and internal speaker cables 3 From inside the chassis cover remove the mounting screw that secures the I O panel to the chassis 4 Remove the I O panel from the chassis Replacing the 1 O Panel To replace the I
44. stall a filler bracket in the empty card slot opening If you need a filler bracket contact Dell NOTE Installing filler brackets over empty card slot openings is necessary to maintain FCC certification of the computer The brackets also keep dust and dirt out of your computer 5 Lower the retention arm and press it into place securing the card s in the computer 6 Remove the card s driver from the operating system Serial Port Adapters Installing a Serial Port Adapter A CAUTION Before you perform this procedure see Precautionary Measures L If you are replacing an adapter remove the current driver for the card from the operating system Raise the retention arm Remove the filler bracket Slide the card bracket down over the card slot opening and lower the retention arm ensuring that e The tops of all cards and filler brackets are flush with the alignment bar e The notch in the top of the card or filler bracket fits around the alignment guide see Closing the Retention Arm Press the arm into place securing the card s in the computer Raising the Retention Arm and Installing a Card FIITIVIITI TITTITTTIIT ITFITITTITIT FTITTIITTITIT PIITPIIITFNITTA FIPITIFITITIG FPIIIVITTIITIT NERE CHEKAKKKAEKM TITITTFTTITFTTT PITT TTT TTT serial port system board connector SER2 2 adapter bracket serial adapter cable 4 retention arm 5 Attach the serial adapter cabl
45. t and do not use excessive force when you install the processor 9 Carefully set the microprocessor in the socket and press it down lightly to seat it 10 Rotate the release lever back toward the system board until it snaps into place securing the microprocessor 11 Install the heat sink a Insert the notched end of the heat sink onto the end of the retention base that is opposite the hinge b Lower the heat sink until it fits securely in the base 12 Raise the retention lever and press until the heat sink is secured You will feel the lever pause once it is at a 90 degree angle Keep pressing the lever another 30 degrees ensuring that it is in the locked position Heat Sink Replacement a presti 2 fie 3 frine retention base s re 13 Lower the airflow shroud over the heat sink If you installed a microprocessor replacement kit from Dell return the original heat sink assembly and microprocessor to Dell in the same package in which your replacement kit was sent 14 Reconnect the cooling fan power cable to the FAN connector on the system board 15 Reconnect the 12 volt power cable to the 12VPOWER connector on the system board Back to Contents Page Back to Contents Page Power Supply Dell OptiPlex GX260 Service Manual Removing the Power Supply Replacing the Power Supply Removing the Power Supply Small Form Factor Computer a release button 2 AC power connector Small Desktop Computer Ea
46. t is freed Replacing the Badge Small Form Factor Computer 1 Replace the plastic computer cover Make sure that the two metal hooks and tabs are securely in place Computer Cover Replacement EJ metal hooks 2 To help replace the plastic computer cover remove the accent door and front mask from the plastic computer cover a Remove the front mask by releasing the tabs on the inside of the plastic computer cover b Remove the accent door by pressing the middle of the door while lifting away the sides of the door c After replacing the plastic computer cover snap the front mask and accent door into place Front Mask and Accent Door Removal 1 accent door front mask 2 Replace the badge by pressing it into place ensuring that the two tabs click securing it into position Small Desktop and Small Mini Tower Computers Replace the badge by pressing it into place ensuring that the two tabs click securing it into position Back to Contents Page Back to Contents Page Battery Dell OptiPlex GX260 Service Manual Replacing the Battery A 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 1 If you have not already done so make a copy of your configuration information found in system setup 2 Open the computer cover 3 Locat
47. the I nterposer Board di floppy drive cable E interposer board system board floppy drive connector DSKT b To release the floppy drive cable from the connector slide the lever until it is fully extended and then lift the cable away Removing the Floppy Drive Cable lever 1 fonpyarve cable alveo 6 Remove the floppy drive from its sled by pulling the sled tab out while pushing the drive up and then sliding the drive out of the sled Removing the Floppy Drive PEZEN BEZE I nstalling a Floppy Drive 1 Snap the replacement drive into the sled and ensure that it is secure in the sled 2 Connect the interposer board to the floppy drive a Slide the floppy drive cable into the connector b Close the lever so that the cable is secure in the connector c Line up the hole on the bottom of the interposer board with the notch on the connector and snap the interposer board onto the drive 3 Gently slide the drive into the computer until the tabs securely click into position Attaching the Floppy Drive Cable 4 Attach the power cable to the interposer board on the floppy drive 5 Attach the CD DVD drive cable and the power cable to the CD DVD drive 6 Connect the floppy drive cable to the DSKT connector on the system board 7 Check all cable connections and fold cables out of the way to provide airflow for the fan and cooling vents CD DVD Drive A CAUTION Before you perform thi
48. ve bay was previously empty remove the front panel inserts 9 Close the computer cover 10 Attach the computer stand optional Small Mini Tower Computer Hard Drive Adding a Second Hard Drive Front Panel Inserts Floppy Drive CD DVD Drive Hard Drive A CAUTION Before you perform this procedure see Precautionary Measures Removing a Hard Drive 1 Disconnect the power and hard drive cables from the drive Removing Power and Drive Cables ft power cabi 2 hard drive cable 2 Press in on the tabs on each side of the drive and slide the drive up and out Removing the Hard Drive apes a 2 hard drive Installing a Hard Drive 1 Unpack the replacement hard drive and prepare it for installation 2 Check the documentation for the drive to verify that it is configured for your computer 3 If the replacement drive does not have the bracket rails attached see step 2 in the previous section for instructions on attaching rails 4 Install the hard drive into the computer by gently sliding the drive into place until you hear it securely click NOTICE Match the colored strip on the cable with pin 1 on the drive pin 1 is marked as 1 5 Connect the power and hard drive cables to the drive Attaching Power and Drive Cables 6 Check all connectors to be certain that they are properly cabled and firmly seated Adding a Second Hard Drive A CAUTION Before you perform this proc
49. ystem board b Gently rock the heat sink and then slightly twist it as you lift it from the microprocessor Heat Sink Removal 2 lever 3 retention base NOTICE Lay the heat sink down with the thermal solution facing upward NOTICE If you are installing a microprocessor upgrade kit from Dell discard the original heat sink If you are not installing a microprocessor upgrade kit from Dell reuse the original heat sink and blower when you install your new microprocessor UI Pull the release lever straight up until the microprocessor is released NOTICE Be careful not to bend any of the pins when you remove the microprocessor from the socket Bending the pins can permanently damage the microprocessor Microprocessor Removal 6 Remove the microprocessor from the socket Leave the release lever extended in the release position so that the socket is ready for the new microprocessor NOTICE You must position the microprocessor correctly in the socket to avoid permanent damage to the microprocessor and the computer 7 If the release lever is not extended to the release position move it to that position 8 Align pin 1 the imprinted corner of the microprocessor and pin 1 of the socket Microprocessor Installation A Pn 1 pin 1 corners of microprocessor and socket aligned NOTICE Microprocessor pins are delicate To avoid damage ensure that the microprocessor aligns properly with the socke

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