SERVICE MANUAL
Contents
1. 1 Accent door 2 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 Badge 33 wo9 jap 340ddns wosa p Mmm Badge 34 SECTION 6 Chassis Intrusion Switch Removing the Chassis Intrusion Switch Replacing the Chassis Intrusion Switch Resetting the Chassis Intrusion Detector 2 D ix 3 n D D o r 2 D ix 3 www dell com support dell com Removing the Chassis Intrusion Switch Small Form Factor Computer 36 Chassis Intrusion Switch Small Desktop Computer Chassis Intrusion Switch 37 www dell com support dell com Small Mini Tower Computer 1 Disconnect the chassis intrusion switch cable connector from the control panel on the front of the chassis Note the routing of the 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 38 Chassis Intrusion S2. 5 If the drive bay was previously empty remove the front panel insert from the front panel a Remove the front panel cover with your fingers b Remove the insert by pressing it until it pops free c Replace the front panel piece by snapping it into place Small Desktop Computer 1 Gently slide the drive into place until the tabs securely click into position 2 Connect the data power and audio cables to the drive Drives 69 www dell com support dell com 70 Drives Cable Replacement Power cable 1 2 Audio cable 3 Data cable 4 Drive connector 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 3 If you are installing a drive that has its own controller card install the controller card in an expansion slot 4 Check all cable connections and fold cables out of the way to provide airflow for the fan and cooling vents 5 If the drive bay was previously empty remove the front panel insert from the front panel a Release the insert tabs from inside the chassis b Remove the insert by pressing it until it pops free c Replace the front panel piece by snapping it into place Small Mini Tower Computer 1 Gently slide the drive into place until the tabs securely click into position 2 Connect the data power and audio cables to the drive Cable Replacement 1 C Si 4
3. 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 1 Tabs 2 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 on 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 on the badge until it 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 Badge 31 www dell com support dell com Computer Cover Replacement 1 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 32 Badge Front Mask and Accent Door Removal
4. Computer 000 Removing the Hard Drive Smal Smal Smal Form Factor Computer Desktop Computer o Mini Tower Computer 0 00 Replacing the Hard Drive 2 2 2 2 222 Smal Smal Smal Form Factor Computer Desktop Computer 00 Mini Tower Computer 00 Adding a Second Hard Drive Small Mini Tower Computer 8 Expansion Card Expansion Card Types Removing an Expansion Card Smal Smal Smal Form Factor Computer 00 Desktop Computer 2 2 2 2 2200004 Mini Tower Computer 2 Replacing an Expansion Card Smal Form Factor Desktop and Mini Tower Computers Removing an AGP Graphics Card Smal Smal Smal Form Factor Computer Desktop Computer ooa 0 a Mini Tower Computer 0 00 Replacing an AGP Graphics Card 88 89 89 90 91 92 92 96 96 96 97 99 Contents 5 6 9 Expansion Card Cage Small Desktop Computer Only Removing the Expansion Card Cage 102 Replacing the Expansion Card Cage 102 Removing the PCI Riser Board 103 Replacing the PCI Riser Board 103 10 Front Panel Inserts Removing Front Panel Inserts 106 Replacing Front PanelInserts 110 11 1 0 Panel Removing the Front I O Panel 112 Sm
5. Drives 71 www dell com support dell com 72 Drives Power cable Audio cable Data cable A V N e Drive connector 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 3 If you are installing a drive that has its own controller card install the controller card in an expansion slot 4 Check all cable connections and fold cables out of the way to provide airflow for the fan and cooling vents 5 If the drive bay was previously empty remove the front panel insert from the front panel a Release the insert tabs from inside the chassis b Remove the insert by pressing it until it pops free c Replace the front panel piece by snapping it into place Removing the Hard Drive Small Form Factor Computer 1 Disconnect the power cable and hard drive cable from the drive Cable Removal l1 Power cable 2 Hard drive cable 2 Press in on the tabs on each side of the drive and slide the drive toward the I O panel until the notch in the drive rail allows the drive to be removed from the computer Drives 73 www dell com support dell com Hard Drive Removal l1 Notch in drive rail 2 Tabs 2 3 If the replacement drive does not have the bracket rails attached remove the rails from the old drive by removing the two screws that secure each rail to the drive Small De
6. O panel Disconnect the front I O cable from the front panel connector on the system board see System Board Components for the location of the front panel connector and see Small Desktop Computer for the location of the control panel and I O cables Note the routing of the control panel cable as you remove it from the computer so that you can replace it correctly 1 0 Panel 113 www dell com support dell com 114 1 0 Panel Front I 0 Panel Removal Control panel cable Front I O cable Front audio cable A WU N e Mounting screw 5 Remove all cables that are connected to the front I O panel 6 Remove the mounting screw that secures the front I O panel to the computer 7 Remove the front I O panel from the computer Small Mini Tower Computer Front I 0 Panel Removal Control panel cable Front audio cable Front I O cable Mounting screw bh WN m 1 Disconnect the control panel cable from the control panel connector on the I O panel 2 Disconnect the front I O cable from the front panel connector on the system board see System Board Components for the location of the front panel connector and see Small Mini Tower Computer for the location of the control panel and front I O cables I O Panel 115 www dell com support dell com 116 1 0 Panel Note the routing of the control panel cable as you remove it from the computer so that you can replace it correctly 3 Re
7. Release buttons one on each side Computer Cover 15 www dell com support dell com Small Mini Tower Computer 1 Padlock ring 2 Release buttons one on each side 1 Remove the padlock from the padlock ring if present NOTICE Do not open the cover if the computer is on the edge of a desk or table Doing so may cause the computer to tip over and fall Make sure that the computer is situated so that there is at least 12 inches of desk or table top for the cover to rest on NOTICE Open the computer cover slowly to prevent damage to the system cables 2 Press in on the two securing buttons until the cover is free to swing up NOTICE On the small mini tower computer to prevent damage to the system board open the cover until it catches at a 45 degree angle Then remove the drive data cables from the system board and open the cover to a 90 degree angle 16 Computer Cover Closing the Computer Cover 1 Check all cable connections especially those that might have come loose during your work Fold cables out of the way so that they do not catch on the computer cover Make sure cables are not routed over the drive cage they will prevent the cover from closing properly Check to see that no tools or extra parts including screws are left inside the computer On the small mini tower computer close the cover to a 45 degree angle and connect the drive data cables to the system board Close the compu
8. not have the bracket rails attached remove the rails from the old drive by removing the two screws that secure each rail to the drive Replacing the Hard Drive NOTICE To avoid possibly damaging the drive by ESD ground yourself by touching an unpainted metal surface on the back of the computer NOTICE When you unpack the drive do not set it on a hard surface which may damage the drive Instead set the drive on a surface such as a foam pad that will sufficiently cushion it 1 Gently slide the drive into place until you hear it securely click 2 Connect the power cable to the drive and connect the IDE data cable to the drive and the IDE connector on the system board Drives 79 www dell com support dell com Small Form Factor Computer Hard Drive Replacement l Power cable 2 IDE data cable 3 IDEI connector 80 Drives Small Desktop Computer Hard Drive Replacement l Power cable 2 IDE data cable 3 IDEI connector Drives 81 www dell com support dell com 82 Drives Small Mini Tower Computer Hard Drive Replacement l Power cable 2 IDE data cable 3 IDEI connector 3 On the small desktop computer 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 4 Check al
9. 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 Before you perform any procedure in this section read the following caution for your personal safety and to prevent damage to the computer from electrostatic discharge ESD A CAUTION FOR YOUR PERSONAL SAFETY AND PROTECTION OF THE EQUIPMENT Before you start to work on the computer perform 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 Disconnect the computer and devices from their AC power sources Also disconnect any telephone or telecommunication lines from the computer Doing so reduces the potential for personal injury or shock If you are disconnecting a device from the computer or are removing a component from the system board wait 15 to 30 seconds after disconnecting the computer from AC power before disconnecting the device or removing the component to avoid possible damage to the system board Verify that the auxiliary power light on the system board is not on If it is on you may need to wait 15 to 30 seconds for i
10. support dell com 122 Microprocessor Removing the Cooling Fan Heat Sink Assembly and Microprocessor A CAUTION Use a wrist grounding strap as explained in Precautionary Measures A CAUTION The microprocessor and heat sink assembly can get extremely hot To avoid burns be sure both have had sufficient time to cool before you touch them 1 Disconnect the fan cable from the system board 2 Disconnect the 12 volt power cable from the system board 3 On the small mini tower computer rotate the airflow shroud Airflow Shroud Rotation Small Mini Tower Computer Bae eed te ied AAA WIAA l Airflow shroud 4 On the small mini tower computer press down on the metal securing latches to release the securing clips from the retention base Then lift the clips out of the tabs on the retention base and away from the heat sink Heat Sink Removal Small Mini Tower Computer 2 DA 1 S et a i gt 4 1 Securing latches 2 4 Retention base 2 Securing clips 2 5 ZIF socket 3 Heat sink 6 Tabs 3 5 On the small form factor and small desktop computers remove the securing clips to remove the heat sink blower assembly The heat sink is attached to the blower Microprocessor 123 www dell com support dell com 124 Microprocessor Heat Sink Blower Assembly Removal Small Form Factor and Small Desktop Computers l Latches 2 4 Screws 2 2 Securing clips 2 5 H
11. Dell OptiPlex GX240 SERVICE MANUAL www dell com DOLL 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 ZN CAUTION A CAUTION indicates a potential for property damage personal injury or death Information in this document is subject to change without notice 2001 2002 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 De 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 September 2002 Rev A03 Contents 1 Before You Begin Getting Started aa aaa a 10 Recommended Tools 10 Precautionary Measures 10 2 Computer Cover Opening the Computer Cover 2 aa 14 Closing the Computer Cover 17 3 Inside the Computer Key Components 20 Computer Cables 2 2 2 en 23 4 Battery Removing the Battery o 28 Replacing the Battery 28 5 Badge R
12. Power Supply 135 wWo9 ap 34o0ddns W09 ap MMM Power Supply 136 SECTION 16 System Board System Board Components Removing the System Board Replacing the System Board 2 D ix 3 n ka D o r 2 D ix 3 System Board Components i l i y 27 ITTRO 4 3 SS 4 2 21 20 19 18 17 16 15 14 13 ul 1 Floppy drive 16 Audio line out connector 2 Internal speaker 17 12 volt microprocessor power connector 3 EIDE2 connector 18 Network upper and USB connectors 2 lower 4 Front panel connector 19 Keyboard lower and mouse upper connectors 5 EIDEI connector 20 Diagnostic lights 6 Suspend to RAM light 21 Serial 2 connector 7 PCI riser small mini tower computer only 22 Parallel connector 8 Auxiliary power light 23 Serial connector 9 AGP connector 24 Microprocessor and heat sink 10 PCI connectors 25 Memory module DIMM connectors 11 CD audio connector 26 Fan connector 12 Telephony connector TAPI 27 Main power connector 13 Front audio connector 28 Battery 14 Microphone connector 29 RIC reset jumper 15 Audio line in connector 30 Password jumper System Board Labels Connector or Socket Description AUDIO Line in line out and microphone jacks AUX_PWR Auxiliary power light BATTERY Battery socket CD IN CD DVD drive audio cable connector CPU Microprocessor connector DIAG_LED Diagnostic
13. VD drive Inside the Computer 21 www dell com support dell com Small Mini Tower Computer Cover release buttons 2 Hard drive Internal speaker Chassis intrusion switch System board Expansion card slots NDA uw ft WN e T O ports and connectors 22 Inside the Computer 10 11 12 AC power connector Padlock ring Microprocessor and airflow shroud Power supply 3 5 inch floppy drive CD DVD drive Computer Cables Small Form Factor Computer wa da WN e CD DVD drive data cable Floppy drive data cable Control panel cable CD DVD drive power cable IDE drive power cable hard drive 10 6 7 8 9 10 IDE data cable hard drive Input output cable Input output audio cable Microprocessor power cable CD DVD audio cable Inside the Computer 23 www dell com support dell com 24 Inside the Computer Small Desktop Computer A Y N CD DVD drive audio cable 5 Input output cable CD DVD drive data cable 6 Input output audio cable Floppy drive data cable 7 IDE data cable hard drive Control panel cable Small Mini Tower Computer wa BW N CD DVD drive power cable 6 CD DVD drive audio cable 7 CD DVD drive data cable 8 Floppy drive power cable 9 Floppy drive data cable IDE drive power cable hard drive IDE drive dat
14. a cable hard drive Input output cable Input output audio cable Inside the Computer 25 www dell com support dell com 26 Inside the Computer Cable Colors Device Color Hard drive Blue Floppy drive Black CD DVD drive Orange USB Gray ATA IDE or EIDE drive Green Control panel Yellow CD DVD audio Blue Computer audio Black SECTION 4 Battery Removing the Battery Replacing the Battery 2 D ix 3 n s D o r 2 D ix 3 www dell com support dell com Removing the Battery f A CAUTION There is a danger of the new battery exploding 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 possible enter system setup and print the system setup screens 2 Remove the system battery by carefully prying it out of its socket with your fingers or with a blunt nonconducting object such as a plastic screwdriver Replacing the Battery 4 r 2 1 Orient the new battery with the facing up 2 Insert the battery into its socket and snap it into place 28 Battery SECTION 5 Badge Removing the Badge Replacing the Badge 2 D ix 3 n s D o r 2 D ix 3 www dell com support dell com 30 Badge Removing the Badge
15. all Form Factor Computer 2 112 Small Desktop Computer 113 Small Mini Tower Computer 115 Replacing the Front 1 0 Panel 116 12 Memory Removing a Memory Module 118 Replacing a Memory Module 2 2 2 118 13 Microprocessor Removing the Cooling Fan Heat Sink Assembly and Microprocessor 122 Replacing the Cooling Fan Heat Sink Assembly and Microprocessor 126 Contents 14 Power Supply Removing the Power Supply 2 2 2 2 2 132 Replacing the Power Supply 2 2 2 2 2 135 15 System Board System Board Components 138 Removing the System Board 141 Replacing the System Board 142 Contents 7 8 Contents SECTION 1 Before You Begin Getting Started Precautionary Measures a mD o 3 n x Ss Di a D iz 3 www dell com support dell com 10 Before You Begin Getting Started This section provides procedures for removing and replacing the components assemblies and subassemblies in the Dell OptiPlex GX240 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 GX240 computer is primarily a tool less
16. cables from the drive Cable Removal 1 2 3 4 Power cable Audio cable Data cable Drive connector 2 Press inward on the two tabs on the sides of the drive bay to disengage the drive from the computer 3 Slide the drive upward and remove it from the computer Drives 65 www dell com support dell com 66 Drives CD DVD Drive Removal 4 Ifthe replacement drive does not have the bracket rails attached remove the rails from the old drive by removing the two screws that secure cach rail to the drive Drive Bracket Rail Removal Replacing the CD DVD Drive Small Form Factor Computer 1 Gently slide the drive into place until the tabs securely click into position 2 Connect the interposer board to the CD DVD 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 Drives 67 www dell com support dell com 68 Drives Interposer Board Replacement Interposer board N Notch on inside of cover Ww Interposer board tab If your computer came with a CD drive use the spare connector on the existing interface cable Otherwise use the IDE interface cable provided in the drive kit 3 Connect the data power and audio cables to the drive 4 Check all cable connections and fold cables out of the way to provide airflow for the fan and cooling vents
17. ch may damage the drive Instead set the drive on a surface such as a foam pad that will sufficiently cushion it 1 Unpack the drive and prepare it for installation 2 Check the documentation for the drive to verify that it is configured for your computer 3 Open the computer cover Drives 83 www dell com support dell com 84 Drives 4 Remove the two green plastic drive rails inside the lower hard drive bay These rails are not attached with screws to the inside of the hard drive bay To remove the rails gently pull the rails up and out of the bay 5 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 a drive into the lower hard drive bay until you remove the green drive rails from inside the lower hard drive bay 6 Remove the first hard drive from the upper bay and install it in the lower bay a Disconnect the power cable and the data cable 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 cable and the data cable to the back of the hard drive 7 Gently slide the new hard drive into the upper bay until you hear a click Second Hard Drive Installed 1 Rail tabs 2 Second
18. d and metal tray are attached and are removed 3 Before you remove the existing system board visually compare the as one piece replacement system board to the existing system board to make sure that you have the correct part 2 Disconnect all cables from the system board 4 Pull up on the tab and slide the system board toward the front of the computer lift it up and away System Board 141 www dell com support dell com 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 142 System Board 10 Set the jumpers on the replacement system board so it is identical to the one on the existing board Orient the replacement board by aligning the notches on the bottom to the tabs on the computer floor Slide the board toward the back of the computer until it clicks into place Replace any components a
19. d drive by removing the two screws that secure each rail to the drive Drive Bracket Rail Removal Small Mini Tower Computer 1 Disconnect the power cable and the floppy drive data cable from the drive 2 Disconnect the data cable from the floppy drive connector on the system board Cable Removal l Power cable 2 Floppy drive data cable 3 Floppy drive connector Replacing the Floppy Drive Small Form Factor Computer 1 Snap the replacement drive into the sled and ensure that it is secure Drives 55 www dell com support dell com 56 Drives 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 floppy drive into the computer until the tabs securely click into position www dell com support dell com 58 Drives A V N gt 10 1 3 Connector notch Interposer board alignment hole Floppy drive cable Lever Attach the power cable to the interposer board on the floppy drive Attach the CD DVD drive cable and the power cable to the CD DVD drive Connect the floppy drive cable to the DSKT connector on the system board Check all cable connections and fold cables out of the way to provide airflow for
20. e inside of the plastic computer cover Remove the accent door by pressing the middle of the door while lifting away the sides of the door After replacing the plastic computer cover snap the front mask and accent door into place Control Panel 47 www dell com support dell com 48 Control Panel Front Mask and Accent Door Removal Small Form Factor Computer 1 Accent door 2 Front mask Small Desktop Computer 1 Replace the control panel and secure it to the computer by replacing the screw you removed in step 2 of the removal procedure 2 Replace the front I O panel Small Mini Tower Computer Follow the Removing the Control Panel procedure in reverse ensuring that the tabs on the top panel bottom panel and front panel are secure SECTION 7 Drives Removing the Floppy Drive Replacing the Floppy Drive Removing the CD DVD Drive Replacing the CD DVD Drive Removing the Hard Drive Replacing the Hard Drive Adding a Second Hard Drive Small Mini Tower Computer 2 D ix 3 n D D o r 2 D ix 3 www dell com support dell com 50 Drives Removing the Floppy Drive Small Form Factor Computer 1 2 3 Disconnect the floppy drive cable from the system board Remove the power cable from the interposer board Disconnect the CD DVD drive cable and the power cable from the CD DVD drive Remove or raise the drive by pressing the gre
21. eat sink 3 Blower 6 Retention base NOTICE Before you remove the heat sink gently rock the heat sink and then 6 slightly twist it as you lift it from the system board Lift the heat sink or heat sink blower assembly away from the microprocessor On the small form factor and small desktop computers remove the two screws on the blower to remove it from the heat sink NOTICE Do not discard the original heat sink and securing clips unless you are installing a microprocessor upgrade kit from Dell If you are vot installing a microprocessor upgrade kit from Dell reuse the original heat sink blower and securing clips when installing your new microprocessor NOTICE Lay the heat sink down with the thermal grease facing upward Do not lay the heat sink down with the thermal grease touching the work surface 8 Discard the original heat sink and securing clips Microprocessor Removal 1 Release lever 2 Microprocessor 3 ZIF socket NOTICE Be careful not to bend any of the pins when you remove the microprocessor from the ZIF socket Bending the pins can permanently damage the microprocessor The ZIF socket has a lever type handle that secures and releases the microprocessor from the ZIF socket 9 Pull the socket release lever straight up until the microprocessor releases Microprocessor 125 www dell com support dell com 126 Microprocessor 10 Remove the microprocessor from the socket 11 L
22. eave the release lever extended so that the socket is ready for the new microprocessor Replacing the Cooling Fan Heat Sink Assembly and Microprocessor A CAUTION Use a wrist grounding strap as explained in Precautionary Measures NOTICE Be careful not to bend any of the pins when you unpack the microprocessor Bending the pins can permanently damage the microprocessor 1 Unpack the new microprocessor 2 Align pin l the beveled corner of the microprocessor with the pin 1 corner of the socket NOTE You must identify the pin 1 corner to correctly position the microprocessor Microprocessor Installation 1 Pin l corners of microprocessor and socket aligned NOTICE You must position the microprocessor correctly in the ZIF socket to avoid permanent damage to the microprocessor and the computer when you turn on the computer 3 Set the microprocessor lightly in the socket and make sure all pins are headed into the correct holes Because your computer uses a ZIF socket there is no need to 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 4 When the microprocessor is fully seated in the socket pivot the release lever back toward the socket until it snaps into place securing the microprocessor NOTICE If you are installing a microprocessor replacement kit from Dell return the microprocessor to Dell in
23. emoving the Badge 2 2 2 ee en 30 Small Form Factor Computer 20 30 Small Desktop and Small Mini Tower Computers 31 Contents 3 4 Replacing the Badge Small Form Factor Computer 0 0 0 Small Desktop and Small Mini Tower Computers 6 Chassis Intrusion Switch Removing the Chassis Intrusion Switch Replacing the Chassis Intrusion Switch Resetting the Chassis Intrusion Detector Removing the Control Panel 2 2 2 2 2 aaa Small Form Factor Computer Small Desktop Computer 0 Small Mini Tower Computer aa Replacing the Control Panel 2 2 2 7 7 7 ww ee Small Form Factor Computer Small Desktop Computer 2 2 22204 Small Mini Tower Computer 2 2 20 7 Drives Removing the Floppy Drive Small Form Factor Computer Small Desktop Computer 2 2004 Small Mini Tower Computer aooaa Replacing the Floppy Drive Small Form Factor Computer Small Desktop Computer 2 22 2 Small Mini Tower Computer Removing the CD DVD Drive Small Form Factor Computer Small Desktop Computer 2 2 22204 Contents Smal Mini Tower Computer 0 00 Replacing the CD DVD Drive Smal Smal Smal Form Factor Computer Desktop Computer Mini Tower
24. en tabs on either side of the drive and lifting the drive up 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 the Interposer Board Small Form Factor Computer Gis p d w N Floppy drive cable Tab 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 Drives 51 Removing the Floppy Drive Cable 09 ap 340ddns woo ap mmm 52 Drives 1 Floppy drive cable 2 Lever 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 Small Desktop Computer 1 Disconnect the power cable and the floppy drive data cable from the drive 2 Disconnect the data cable from the floppy drive connector on the system board Cable Removal l Power cable 2 Floppy drive data cable 3 Floppy drive connector Drives 53 www dell com support dell com 54 Drives 3 Press inward on the two tabs on the sides of the drive bay to disengage the drive from the computer 4 Slide the drive upward and remove it from the computer Floppy Drive Removal Y Ww y 5 If the replacement drive does not have the bracket rails attached remove the rails from the ol
25. ge Small Desktop Computer Only Removing the Expansion Card Cage Replacing the Expansion Card Cage Removing the PCI Riser Board Replacing the PCI Riser Board 2 D ix 3 N D D o r 2 D ix 3 www dell com support dell com Removing the Expansion Card Cage A CAUTION Use a wrist grounding strap as explained in Precautionary Measures 1 Examine any cables connected to expansion cards through the back panel openings and disconnect any cables that will not reach the expansion card cage once it is removed from the computer 2 Remove any cables connected to the expansion card 3 Gently pull on the handle and lift the expansion card cage up and away from the computer Expansion Card Cage Removal Replacing the Expansion Card Cage 1 Align the slots in the side of the expansion card cage with the tabs on the side of the computer and slide the expansion card cage down into place 2 Make sure that the riser board is fully seated in the RISER connector on the system board 102 Expansion Card Cage Small Desktop Computer Only Expansion Card Cage Replacement 3 Replace and reconnect any cables you removed in steps and 2 of the previous procedure Removing the PCI Riser Board NOTICE To avoid damage to the expansion cards or the system board by ESD ground yourself by touching an unpainted metal surface on the back of the computer A CAUTION Use a wrist grounding s
26. hard drive in upper bay N 3 First hard drive in lower bay 4 Hard drive cage NOTICE Match the colored strip on the cable with pin 1 on the drive Locate the extra connector on the drive cable that is attached to the first hard drive and attach the connector to the second hard drive Drives 85 wu o9 ap 340ddns woo jap mmm Drives 86 SECTION 8 Expansion Card Expansion Card Types Removing an Expansion Card Replacing an Expansion Card Removing an AGP Graphics Card Replacing an AGP Graphics Card 2 D ix 3 n ka D o r 2 D ix 3 www dell com support dell com 88 Expansion Card Expansion Card Types Your computer provides expansion slots for the following cards e Inthe small form factor computer one low profile 32 bit 33 MHz PCI card e Inthe small desktop computer up to two 32 bit 33 MHz PCI cards e Inthe small mini tower computer up to four 32 bit 33 MHz PCI cards All of the form factors provide an expansion slot for one 32 bit AGP 4x card low profile in the small form factor and small desktop computers operating at 1 5 V Expansion Cards K NOTE Before disconnecting a device from the computer or removing a component from the system board c verify that the auxiliary power light on the system 1 board is off For the location of this light see System Board Components 2 3 l1 AGP 4x card 2 Low pr
27. l connectors to be certain that they are properly cabled and firmly seated NOTICE To avoid possible damage to the computer you must match the colored stripe on the hard drive data cable with pin 1 on the hard drive IDE1 connector and with the system board interface connector IDE1 To locate the system board interface connector IDE1 see System Board Components 5 If the drive you just installed is the primary drive insert a bootable floppy disk into the floppy drive 6 Turn on the computer 7 Enter system setup and update the appropriate Primary Drive option Oorl See the User s Guide for complete information on system setup 8 Reset the chassis intrusion detector 9 Restart the computer 10 Partition and logically format the computer s hard drive before proceeding to the next step For partition and format instructions see the documentation that came with the operating system 11 Test the hard drive by running the Dell Diagnostics See Solving Problems in the User s Guide for complete information 12 If the drive you just installed is the primary drive install the operating system on the hard drive For instructions see the documentation that came with the operating system Adding a Second Hard Drive Small Mini Tower Computer NOTICE Ground yourself by touching an unpainted metal surface on the back of the chassis NOTICE When you unpack the drive do not set it on a hard surface whi
28. lights DIMM_x Dual in line memory module DIMM socket DSKT Floppy tape drive interface connector FAN Microprocessor fan connector FRONTAUDIO Front panel audio connector for integrated audio FRONTPANEL Front panel cable connector H_RISER Horizontal riser board connector vertical PCI cards IDEn EIDE interface connector System Board www dell com support dell com 140 System Board Connector or Socket Description KYBD_MOUSE Keyboard and mouse connectors MODEM Telephony connector NIC_USB Integrated network adapter connector and USB connectors PAR_SER _SER2 Parallel and serial port connectors PCIn PCI expansion card connectors POWER Main power input connector 12VPOWER 12 volt power connector PSWD Password jumper RTCRST RTC reset jumper SPEAKER Internal speaker STR Suspend to RAM light V_RISER Vertical riser board connector horizontal PCI cards System Board Jumper System Board Jumper Settings Jumper Setting Description PSWD Ca default Password features are enabled Password features are disabled RTCRST Real time clock reset Can be used for troubleshooting purposes jumpered unjumpered Removing the System Board A CAUTION Before you remove any component from the system board read the steps in Precautionary Measures 1 Remove any components that restrict access to the system board K NOTE The system boar
29. ll com support dell com Control Panel Removal 2 Remove the screw holding the control panel to the computer and pull the panel up and away from the computer Small Mini Tower Computer 1 Lay the computer on its right side and open the cover 2 Remove the top and bottom panels of the computer by releasing the eight tabs on each panel 3 Remove the front bezel a Release the three tabs located on the front bezel one tab is located by the CD DVD drive and two tabs are located by the I O panel 44 Control Panel Front Bezel Tabs Small Mini Tower Computer Top panel 1 2 Bottom panel 3 Front panel tabs 3 4 Top panel tabs 8 b Close the cover and remove the front bezel Control Panel 45 www dell com support dell com Control Panel Removal 4 Remove the screw holding the control panel to the chassis and pull the panel up and away from the chassis Replacing the Control Panel Small Form Factor Computer 1 Replace the control panel and the control panel shield 2 Replace the plastic computer cover Make sure that the two metal hooks and tabs are securely in place 46 Control Panel Computer Cover Replacement 7 a 1 Metal hooks 2 To help replace the plastic computer cover remove the accent door and front mask from the plastic computer cover Remove the front mask by releasing the tabs on th
30. m board Insert the card firmly into the expansion card connector on the system board Expansion Card 93 www dell com support dell com 94 Expansion Card Expansion Card Connection AA v N e Bracket within slot Bracket caught outside of slot Fully seated card Not fully seated card Before lowering the retention arm make sure of the following Tops of all expansion cards and filler brackets are flush with the alignment bar Notch in the top of the card or filler bracket fits around the alignment guide Press the arm into place securing the expansion card s in the computer Retention Arm Closure bh NY N Filler bracket Alignment guide Alignment bar Retention arm Reconnect the computer and devices to their electrical outlets and turn them on NOTE After you open and close the cover the chassis intrusion detector causes the following message to be displayed at the next computer start up ALERT Cover was previously removed See Resetting the Chassis Intrusion Detector for instructions Expansion Card 95 www dell com support dell com Removing an AGP Graphics Card Small Form Factor Computer 1 Remove the filler bracket by raising the hinged lever and then sliding the bracket up AGP Slot Filler Bracket Removal 1 Hinged lever 2 On the AGP card clip press the lever toward
31. move all cables that are connected to the front I O panel 4 From inside the chassis cover remove the mounting screw that secures the front I O panel to the chassis 5 Remove the front I O panel from the chassis Replacing the Front I 0 Panel To replace the front I O panel follow the removal procedure for your computer in reverse SECTION 12 Memory Removing a Memory Module Replacing a Memory Module 2 D ix 3 n s D o r 2 D ix 3 www dell com support dell com 118 Memory 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 Memory Module Removal L 1 Securing clips 2 2 Socket 2 Lift the module away from the socket Replacing a Memory Module l Press the module fully into the socket while closing the securing clips to lock the module into place Memory Module Replacement 1 Socket 2 Slot 3 Securing clip Memory 119 Wo3 ap 34oddns woo ap Mmm Memory 120 SECTION 13 Microprocessor Removing the Cooling Fan Heat Sink Assembly and Microprocessor Replacing the Cooling Fan Heat Sink Assembly and Microprocessor 2 D ix 3 N D D o r 2 D ix 3 www dell com
32. nd cables that you removed from the system board Reconnect all cables to their connectors at the back of the computer close the computer cover and reconnect the computer and devices to their power sources and turn them on NOTE After you close the cover the chassis intrusion detector causes the following message to be displayed at the next computer start up ALERT Cover was previously removed Reset the chassis intrusion detector K NOTE Some components and connectors on the replacement system board may be in different locations than the corresponding connectors on the existing system board System Board 143 wWo9 ap 34o0ddns W09 ap MMM System Board 144
33. ni Tower Computer FTTITTITTI FTITTITITTITTI Disconnect the AC power cable from the back of the power supply 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 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 On the small mini tower computer remove the two screws that attach the power supply to the rear wall Press the release button On the small desktop computer press down on the handle which in turn presses on the release button 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 fs WU N F u Slide the power supply into place Reconnect the DC power cables Connect the AC power cable to the connector On the small desktop computer reattach the power cables to the side of the hard drive and replace the expansion card cage Run the cables underneath the clips Press the clips to close them over the cables
34. ofile 32 bit PCI card 3 32 bit PCI card Removing an Expansion Card A CAUTION Use a wrist grounding strap as explained in Precautionary Measures Small Form Factor Computer 1 If necessary disconnect any cables connected to the card Expansion Card 89 www dell com support dell com 90 Expansion Card 2 Press the hinged lever on the expansion card retention arm and raise the retention arm 3 Grasp the card by its outside corners and ease it out of its connector on the riser board 4 Ifyou are removing the card permanently install a metal filler bracket over the empty card slot opening Expansion Card Removal Card edge connector Expansion card Hinged lever Retention arm wa BW N Expansion card connector Small Desktop Computer 1 Remove the expansion card cage 2 If necessary disconnect any cables connected to the card 3 Press the lever on the expansion card retention arm and raise the retention arm Expansion Card Removal 1 Retention arm 5 Expansion card connector 2 Lever 6 Riser board 3 Expansion card 7 Expansion card cage 4 Card edge connector 4 Grasp the card by its outside corners and ease it out of its connector on the riser board 5 Ifyou are removing the card permanently install a metal filler bracket over the empty card slot opening Small Mini Tower Computer 1 If necessary disconnect any cables connected to the card 2 Press the lever on the expansion card
35. place until the tabs click securely into position 3 Attach the power and floppy drive data cables to the floppy drive and connect the other end of the data cable to the connector on the system board Drives 59 www dell com support dell com Cable Replacement l Power cable 2 Floppy drive data cable 3 Floppy drive connector Removing the CD DVD Drive Small Form Factor Computer 1 Remove the interposer board from the CD DVD drive 60 Drives Interposer Board Removal or 1 Interposer board 2 Press inward on the two tabs on the sides of the drive to disengage the drive from the computer 3 Slide the drive upward and remove it from the computer Drives 61 www dell com support dell com 62 Drives CD DVD Drive Removal DA Small Desktop Computer 1 Remove the data power and audio cables from the drive Cable Removal l Power cable 2 Audio cable 3 Data cable 4 Drive connector 2 Press inward on the two tabs on the sides of the drive bay to disengage the drive from the computer 3 Slide the drive upward and remove it from the computer 4 Ifthe replacement drive does not have the bracket rails attached remove the rails from the old drive by removing the two screws that secure each rail to the drive Drives 63 www dell com support dell com 64 Drives Drive Bracket Rail Removal Small Mini Tower Computer 1 Remove the data power and audio
36. port dell com 110 Front Panel Inserts Replacing Front Panel Inserts To replace a front panel insert follow the appropriate procedure in reverse in Removing Front Panel Inserts SECTION 11 1 0 Panel Removing the Front I O Panel Replacing the Front I O Panel a mD o 3 n x Ss Di a D iz 3 www dell com support dell com Removing the Front I 0 Panel Small Form Factor Computer 1 To access the mounting screw that holds the front I O panel to the computer remove the hard drive Front I 0 Panel Removal Front I O cable Front audio cable Mounting screw A WW N e Control panel cable 2 Disconnect the control panel cable from the control panel connector on the I O panel 112 1 0 Panel Disconnect the front I O cable from the front panel connector on the system board see System Board Components for the location of the front panel connector and see Small Form Factor Computer for the location of the control panel and I O cables Remove all cables that are connected to the front I O panel From inside the computer cover remove the mounting screw that secures the front I O panel to the computer Remove the front I O panel from the computer Small Desktop Computer 1 2 3 Remove the hard drive shroud Disconnect the hard drive data cable Disconnect the control panel cable from the control panel connector on the I
37. retention arm and raise the retention arm Expansion Card 91 www dell com support dell com Small Mini Tower Computer Expansion card Card edge connector Expansion card connector Retention arm wa bh W N Lever 3 Grasp the card by its outside corners and ease it out of its connector on the riser board 4 Ifyou are removing the card permanently install a metal filler bracket over the empty card slot opening Replacing an Expansion Card Small Form Factor Desktop and Mini Tower Computers A CAUTION Use a wrist grounding strap as explained in Precautionary Measures 92 Expansion Card A CAUTION Some network cards automatically start the computer when they are connected To guard against electrical shock be sure to unplug the computer from its electrical outlet before installing any expansion cards 1 Prepare the expansion card for installation See the documentation that came with the expansion card for information on configuring the card making internal connections or otherwise customizing it for your computer 2 Follow the procedures in reverse order for your particular computer in Removing an Expansion Card 3 Place the expansion card on the connector and press down firmly Make sure that the card is fully seated in the slot If the expansion card is full length insert the end of the card into the expansion card guide bracket as you lower the card toward its connector on the syste
38. sktop Computer 1 The 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 74 Drives Hard Drive Shroud Removal 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 data cables from the drive Drives 75 www dell com support dell com 76 Drives Cable Removal 1 Hard drive cable 2 Power cable 3 Press in on the tabs on each side of the drive and slide it up and out Hard Drive Removal wea 1 Tabs 2 4 Ifthe replacement drive does not have the bracket rails attached remove the rails from the old drive by removing the two screws that secure each rail to the drive Small Mini Tower Computer 1 Disconnect the power and hard drive data cables from the drive Drives 77 www dell com support dell com 78 Drives Cable Removal l1 Power cable 2 Hard drive cable 2 Pressin on the tabs on each side of the drive and slide it up and out Hard Drive Removal 3 If the replacement drive does
39. t to go out see System Board Components for the location of this light 4 Weara wrist grounding strap and clip it to an unpainted metal surface such as the padlock ring on the back of the computer If a wrist grounding strap is not available touch an unpainted metal surface on the computer such as the power supply to discharge static charge from your body before touching anything inside the computer While you work periodically touch an unpainted metal surface on the computer to dissipate static electricity that might harm internal components In addition take note of the following safety guideline when appropriate e Handle components and cards with care Do not touch the components or contacts on a card Hold a card by it edges or by its metal mounting bracket Hold a component such as a microprocessor by its edges not by its pins Before You Begin 11 wWo9 ap 34o0ddns W09 ap MMM Before You Begin 12 SECTION 2 Computer Cover Opening the Computer Cover Closing the Computer Cover 2 D ix 3 n s D o r 2 D ix 3 www dell com support dell com LA NOTE If your computer is on a stand remove the stand before you open the computer cover 14 Computer Cover Opening the Computer Cover Small Form Factor Computer 1 Security cable slot 2 Padlock ring 3 Release buttons one on each side Small Desktop Computer 1 Padlock ring 2
40. ter cover by pivoting the cover down toward the back of the computer and into position Make sure that the securing buttons click into place Replace the padlock if required NOTE After you open and close the cover the chassis intrusion detector causes the following message to be displayed at the next computer start up ALERT Cover was previously removed See Resetting the Chassis Intrusion Detector for instructions Computer Cover 17 Wo9 ap 340ddns woo jap mmm Computer Cover 18 SECTION 3 Inside the Computer Key Components Computer Cables 2 D ix 3 n s D o r 2 D ix 3 www dell com support dell com Key Components NOTE User service Small Form Factor Computer access points are color coded green Hard drive 3 5 inch floppy drive CD DVD drive Cover release buttons 2 Internal speaker au A IN Chassis intrusion switch 20 Inside the Computer 10 ll 12 System board Power supply AC power connector T O ports and connectors Padlock ring Heat sink and blower assembly Small Desktop Computer ND wi day N e Cover release buttons 2 Hard drive Internal speaker Chassis intrusion switch Expansion card cage Power supply Expansion card slots 14 AC power connector Padlock ring T O ports and connectors Heat sink and blower assembly System board 3 5 inch floppy drive CD D
41. the PCI slot 1 3 Pull the AGP card up and out of the AGP card clip Small Desktop Computer 1 On the hinged lever press the indentation with your thumb at an angle toward the system board until you release the tab Continue holding the lever and pull the lever up 2 Slide the filler bracket up 96 Expansion Card AGP Slot Filler Bracket Removal 1 Hinged lever 2 Indented tab 3 On the AGP card clip press the lever toward the PCI slot 1 4 Pull the AGP card up and out of the AGP card clip Small Mini Tower Computer 1 Remove the filler bracket by raising the hinged lever and then sliding the bracket up Expansion Card 97 www dell com support dell com 98 Expansion Card AGP Slot Filler Bracket Removal VINTA LLLI ULLAN LL AUAU UAIT 1 Hinged lever 2 On the AGP card clip press the lever toward PCI slot 1 3 Pull the AGP card up and out of the AGP card clip Replacing an AGP Graphics Card Small Form Factor Small Desktop and Small Mini Tower Computers 1 AGP card 4 AGP card clip tab 2 Systemboard 5 AGP card clip lever 3 AGP card clip 6 AGP card notch 1 Press the AGP card clip lever ensuring that the tab on the AGP card clip lever fits into the notch on the front end of the AGP card 2 Secure the AGP card by lowering the hinged lever on the back panel Expansion Card 99 www dell com support dell com 100 Expansion Card SECTION 9 Expansion Card Ca
42. the fan and cooling vents Close the computer cover reconnect your computer and devices to their electrical outlets and turn them on Enter system setup and update the appropriate Diskette Drive A option to reflect the size and capacity of your new floppy drive Verify that your computer works correctly by running the Dell Diagnostics Small Desktop Computer If the replacement drive does not have the bracket rails attached remove the rails from the old drive by removing the two screws that secure each rail to the drive Attach the bracket to the new drive by aligning the screw holes on the drive with the screw holes on the bracket rails and tightening all four screws two screws on each rail Gently slide the floppy drive into place until the tabs click securely into position Attach the power and floppy drive data cables to the floppy drive and connect the other end of the data cable to the connector on the system board Cable Replacement l Power cable 2 Floppy drive data cable 3 Floppy drive connector Small Mini Tower Computer 1 Ifthe replacement drive does not have the bracket rails attached remove the rails from the old drive by removing the two screws that secure each rail to the drive Attach the bracket to the new drive by aligning the screw holes on the drive with the screw holes on the bracket rails and tightening all four screws two screws on each rail 2 Gently slide the floppy drive into
43. the same package in which your replacement kit was sent Microprocessor 127 www dell com support dell com 128 Microprocessor NOTICE If you are not installing a microprocessor upgrade kit from Dell 10 11 12 13 14 reuse the original blower heat sink assembly and securing clips when replacing the microprocessor Remove the film covering the bottom of the heat sink On the small form factor and small desktop computers reinstall the two screws that attach the blower to the heat sink Lower the heat sink or blower heat sink assembly to the microprocessor so that the heat sink fits in the retention base Fit the end of each securing clip that does not have the latch over its tab on the retention base Then fit the middle of the clip over the middle tab on the retention base and press down on the clip s latch to secure the clip to the retention base On the small mini tower computer rotate the airflow shroud back over the heat sink Plug the fan cable into its connector on the system board Plug the 12 volt power cable into its connector on the system board Close the computer cover reconnect your computer and devices to their electrical outlets and turn them on As the computer boots it detects the presence of the new microprocessor and automatically changes the configuration information in system setup NOTE After you open and close the cover the chassis intrusion detector causes the follo
44. trap as explained in Precautionary Measures 1 Remove the expansion card cage 2 Remove the expansion cards installed in the slots 3 Remove the two screws that attach the riser board to the expansion card cage Replacing the PCI Riser Board Follow the Removing the PCI Riser Board procedures in reverse order Expansion Card Cage Small Desktop Computer Only 103 www dell com support dell com 104 Expansion Card Cage Small Desktop Computer Only SECTION 10 Front Panel Inserts Removing Front Panel Inserts Replacing Front Panel Inserts 2 D ix 3 n ka D o r 2 D ix 3 www dell com support dell com 106 Front Panel Inserts Removing Front Panel Inserts 1 On the small form factor and small desktop computers perform the following steps a Face the front of the computer and use your fingers to remove the front panel cover b Press on the insert until it pops free of the front panel cover 2 On the small mini tower computer perform the following steps 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 on the insert until it pops free of the front panel cover www dell com support dell com 108 Front Panel Inserts Small Desktop Computer www dell com sup
45. wing message to be displayed at the next system start up ALERT Cover was previously removed Enter system setup and confirm that the system data area correctly identifies the type of installed microprocessor For instructions on using system setup see the User s Guide While in system setup reset the Chassis Intrusion option by pressing the left or right arrow key to select Reset and then choosing Enabled Enabled Silent or Disabled See the User s Guide for information on the chassis intrusion detector 15 Runthe Dell Diagnostics to verify that the new processor is operating K NOTE 1f a setup correctly password has been assigned by someone else contact the network administrator for information on resetting the chassis intrusion detector See the User s Guide for information on Dell Diagnostics Microprocessor 129 www dell com support dell com 130 Microprocessor SECTION 14 Power Supply Removing the Power Supply Replacing the Power Supply a mD Uni 3 N Ss Ss Di a D iz 3 www dell com support dell com 132 Power Supply Removing the Power Supply Small Form Factor Computer A if Ur aa rt ali l Release button 2 AC power connector i sg Small Desktop Computer l1 Release button 2 AC power connector Power Supply 133 www dell com support dell com 134 Power Supply Small Mi
46. witch Resetting the Chassis Intrusion Detector 1 Enter system setup by pressing lt F2 gt during the computer s POST K 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 3 Press lt Alt gt lt B gt to restart the computer and implement your K NOTE If a setup changes password has been assigned by someone else contact the network administrator for information on resetting the chassis intrusion detector Chassis Intrusion Switch 39 www dell com support dell com 40 Chassis Intrusion Switch SECTION 7 Control Panel 2 e o 3 n 5 5 o 2 D o 3 www dell com support dell com 42 Control Panel Removing the Control Panel 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 1 Tabs two on each side Control Panel Removal 3 Remove the metal control panel shield 4 Remove the screw that holds the control panel to the computer Small Desktop Computer 1 Remove the front I O panel Control Panel 43 www de
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