Dell GX240 - OptiPlex Pentium 4 1.8GHz 512MB 40GB CD Win2K Service Manual Download

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Chassis Intr usion Switch

www

.dell.com | support.dell.com

S m a l l M i n i -To w e r C o m p u t e r

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.

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.

Summary of Contents for GX240 - OptiPlex Pentium 4 1.8GHz 512MB 40GB CD Win2K

Page 1: ...www dell com support dell com Dell OptiPlex GX240 SERVICE MANUAL ...

Page 2: ...t 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 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 entitie...

Page 3: ...0 2 Computer Cover Opening the Computer Cover 14 Closing the Computer Cover 17 3 Inside the Computer Key Components 20 Computer Cables 23 4 Battery Removing the Battery 28 Replacing the Battery 28 5 Badge Removing the Badge 30 Small Form Factor Computer 30 Small Desktop and Small Mini Tower Computers 31 ...

Page 4: ...g the Control Panel 42 Small Form Factor Computer 42 Small Desktop Computer 43 Small Mini Tower Computer 44 Replacing the Control Panel 46 Small Form Factor Computer 46 Small Desktop Computer 48 Small Mini Tower Computer 48 8 Drives Removing the Floppy Drive 50 Small Form Factor Computer 50 Small Desktop Computer 53 Small Mini Tower Computer 55 Replacing the Floppy Drive 55 Small Form Factor Compu...

Page 5: ... Drive 79 Small Form Factor Computer 80 Small Desktop Computer 81 Small Mini Tower Computer 82 Adding a Second Hard Drive Small Mini Tower Computer 83 9 Expansion Card Expansion Card Types 88 Removing an Expansion Card 89 Small Form Factor Computer 89 Small Desktop Computer 90 Small Mini Tower Computer 91 Replacing an Expansion Card 92 Small Form Factor Desktop and Mini Tower Computers 92 Removing...

Page 6: ... Panel Inserts 106 Replacing Front Panel Inserts 110 12 I O Panel Removing the Front I O Panel 112 Small Form Factor Computer 112 Small Desktop Computer 113 Small Mini Tower Computer 115 Replacing the Front I O Panel 116 13 Memory Removing a Memory Module 118 Replacing a Memory Module 118 14 Microprocessor Removing the Cooling Fan Heat Sink Assembly and Microprocessor 122 Replacing the Cooling Fan...

Page 7: ...Contents 7 15 Power Supply Removing the Power Supply 132 Replacing the Power Supply 135 16 System Board System Board Components 138 Removing the System Board 141 Replacing the System Board 142 ...

Page 8: ...8 Contents ...

Page 9: ...w w w d e l l c o m s u p p o r t d e l l c o m 1 S E C T IO N 1 Before You Begin Getting Started Precautionary Measures ...

Page 10: ...heat sink blower or the control panel require the use of one or more of the following tools Small flat blade screwdriver 1 and 2 Phillips head screwdrivers 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 p...

Page 11: ...out see System Board Components for the location of this light 4 Wear a 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 ...

Page 12: ...12 Before You Begin w w w d e l l c o m s u p p o r t d e l l c o m ...

Page 13: ...w w w d e l l c o m s u p p o r t d e l l c o m 2 S E C T IO N 2 Computer Cover Opening the Computer Cover Closing the Computer Cover ...

Page 14: ...p p o r t d e l l c o m Opening the Computer Cover NOTE If your computer is on a stand remove the stand before you open the computer cover Small Form Factor Computer 1 Security cable slot 2 Padlock ring 3 Release buttons one on each side 3 1 2 ...

Page 15: ...Computer Cover 15 Small Desktop Computer 1 Padlock ring 2 Release buttons one on each side 2 1 ...

Page 16: ...ed 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 cable...

Page 17: ...ft inside the computer 3 On the small mini tower computer close the cover to a 45 degree angle and connect the drive data cables to the system board 4 Close the computer cover by pivoting the cover down toward the back of the computer and into position Make sure that the securing buttons click into place 5 Replace the padlock if required NOTE After you open and close the cover the chassis intrusio...

Page 18: ...18 Computer Cover w w w d e l l c o m s u p p o r t d e l l c o m ...

Page 19: ...w w w d e l l c o m s u p p o r t d e l l c o m 3 S E C T IO N 3 Inside the Computer Key Components Computer Cables ...

Page 20: ...color coded green Small Form Factor Computer 1 Hard drive 7 System board 2 3 5 inch floppy drive 8 Power supply 3 CD DVD drive 9 AC power connector 4 Cover release buttons 2 10 I O ports and connectors 5 Internal speaker 11 Padlock ring 6 Chassis intrusion switch 12 Heat sink and blower assembly 2 1 3 5 6 7 9 8 10 11 12 4 ...

Page 21: ...ctor 2 Hard drive 9 Padlock ring 3 Internal speaker 10 I O ports and connectors 4 Chassis intrusion switch 11 Heat sink and blower assembly 5 Expansion card cage 12 System board 6 Power supply 13 3 5 inch floppy drive 7 Expansion card slots 14 CD DVD drive 2 1 3 5 6 4 7 8 9 10 11 12 13 14 ...

Page 22: ...er release buttons 2 8 AC power connector 2 Hard drive 9 Padlock ring 3 Internal speaker 10 Microprocessor and airflow shroud 4 Chassis intrusion switch 11 Power supply 5 System board 12 3 5 inch floppy drive 6 Expansion card slots 13 CD DVD drive 7 I O ports and connectors 2 1 3 5 6 4 7 8 9 10 11 12 13 ...

Page 23: ... drive data cable 6 IDE data cable hard drive 2 Floppy drive data cable 7 Input output cable 3 Control panel cable 8 Input output audio cable 4 CD DVD drive power cable 9 Microprocessor power cable 5 IDE drive power cable hard drive 10 CD DVD audio cable 1 3 2 4 6 5 7 8 9 10 ...

Page 24: ...m s u p p o r t d e l l c o m Small Desktop Computer 1 CD DVD drive audio cable 5 Input output cable 2 CD DVD drive data cable 6 Input output audio cable 3 Floppy drive data cable 7 IDE data cable hard drive 4 Control panel cable 1 2 4 3 6 7 5 ...

Page 25: ... drive power cable 6 IDE drive power cable hard drive 2 CD DVD drive audio cable 7 IDE drive data cable hard drive 3 CD DVD drive data cable 8 Input output cable 4 Floppy drive power cable 9 Input output audio cable 5 Floppy drive data cable 1 3 2 4 5 7 6 8 9 ...

Page 26: ... w w d e l l c o m s u p p o r t d e l l c o m Ca ble Co lors 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 ...

Page 27: ...w w w d e l l c o m s u p p o r t d e l l c o m 4 S E C T IO N 4 Battery Removing the Battery Replacing the Battery ...

Page 28: ... 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 1 Orient the new battery with the facing up 2 Insert the battery in...

Page 29: ...w w w d e l l c o m s u p p o r t d e l l c o m 5 S E C T IO N 5 Badge Removing the Badge Replacing the Badge ...

Page 30: ...the inside of the computer and remove the plastic computer cover from the metal component Co mp ut e r Cov er Rem ov al 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 1 Tabs 2 on each side 1 ...

Page 31: ...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 ...

Page 32: ...t 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 1 Metal hooks 2 1 ...

Page 33: ...adge 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 1 Accent door 2 Front mask 2 1 ...

Page 34: ...34 Badge w w w d e l l c o m s u p p o r t d e l l c o m ...

Page 35: ... w d e l l c o m s u p p o r t d e l l c o m 6 S E C T IO N 6 Chassis Intrusion Switch Removing the Chassis Intrusion Switch Replacing the Chassis Intrusion Switch Resetting the Chassis Intrusion Detector ...

Page 36: ...36 Chassis Intrusion Switch w w w d e l l c o m s u p p o r t d e l l c o m Removing the Chassis Intrusion Switch Small Form Factor Computer ...

Page 37: ...Chassis Intrusion Switch 37 Small Desktop Computer ...

Page 38: ...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 ...

Page 39: ...m 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 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 Alt B to restart the computer and impleme...

Page 40: ...40 Chassis Intrusion Switch w w w d e l l c o m s u p p o r t d e l l c o m ...

Page 41: ...w w w d e l l c o m s u p p o r t d e l l c o m 7 S E C T IO N 7 Control Panel ...

Page 42: ...g 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 Co mp ut e r Cov er Rem ov al 1 Tabs two on each side 1 ...

Page 43: ...ntrol Panel 43 C o nt r o l Pan e l Rem o v a l 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 ...

Page 44: ...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 ...

Page 45: ...Control Panel 45 Fr ont Bezel Ta bs Small M i n i To we r C o m pu t e r b Close the cover and remove the front bezel 1 Top panel 2 Bottom panel 3 Front panel tabs 3 4 Top panel tabs 8 3 1 2 4 ...

Page 46: ...crew 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 ...

Page 47: ...sk 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 1 Metal hooks 2 1 ...

Page 48: ...ter 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 1 Accent door 2 Front mask 2 1 ...

Page 49: ... 02 w w w d e l l c o m s u p p o r t d e l l c o m 8 S E C T IO N 8 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 ...

Page 50: ...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 the Interposer Board Small Form Factor Co mpute...

Page 51: ...FILE LOCATION S SYSTEMS Meteor SM A03 drives fm DELL CONFIDENTIAL PRELIMINARY 9 26 02 b To release the floppy drive cable from the connector slide the lever until it is fully extended and then lift the cable away ...

Page 52: ...52 Drives w w w d e l l c o m s u p p o r t d e l l c o m FILE LOCATION S SYSTEMS Meteor SM A03 drives fm DELL CONFIDENTIAL PRELIMINARY 9 26 02 Rem ovi ng the Flo ppy Driv e C able or 1 2 1 2 ...

Page 53: ... 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 Rem ova l 1 Floppy drive cable 2 Lever 1 Power cable 2 Floppy drive data cable 3 Floppy drive connector 1 2 3 ...

Page 54: ...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 Remo va l 5 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 Dr iv e Br a ck et Rai l Rem ova l ...

Page 55: ... 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 Rem ova l Replacing the Floppy Drive Small Form Factor Computer 1 Snap the replacement drive into the sled and ensure that it is secure 1 Power cable 2 Floppy drive data cable 3 Floppy drive connector 1 2 3 ...

Page 56: ...r 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 ...

Page 57: ...Drives 57 FILE LOCATION S SYSTEMS Meteor SM A03 drives fm DELL CONFIDENTIAL PRELIMINARY 9 26 02 Attaching the Floppy Drive Data Cable 1 3 4 2 or 1 3 4 2 ...

Page 58: ...tte Drive A option to reflect the size and capacity of your new floppy drive 10 Verify that your computer works correctly by running the Dell Diagnostics Small Desktop Computer 1 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...

Page 59: ...l 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 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 conne...

Page 60: ...ON S SYSTEMS Meteor SM A03 drives fm DELL CONFIDENTIAL PRELIMINARY 9 26 02 Ca ble Repla cem ent Removing the CD DVD Drive Small Form Factor Computer 1 Remove the interposer board from the CD DVD drive 1 Power cable 2 Floppy drive data cable 3 Floppy drive connector 1 2 3 ...

Page 61: ...s fm DELL CONFIDENTIAL PRELIMINARY 9 26 02 Interp o ser Bo ar d Rem ova l 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 1 Interposer board 1 or 1 ...

Page 62: ... l c o m s u p p o r t d e l l c o m FILE LOCATION S SYSTEMS Meteor SM A03 drives fm DELL CONFIDENTIAL PRELIMINARY 9 26 02 CD DVD Drive Re moval Small Desktop Computer 1 Remove the data power and audio cables from the drive ...

Page 63: ...ides of the drive bay to disengage the drive from the computer 3 Slide the drive upward and remove it from the computer 4 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 1 Power cable 2 Audio cable 3 Data cable 4 Drive connector 1 2 3 4 ...

Page 64: ... s u p p o r t d e l l c o m FILE LOCATION S SYSTEMS Meteor SM A03 drives fm DELL CONFIDENTIAL PRELIMINARY 9 26 02 Dr iv e Br a ck et Rai l Rem ova l Small Mini Tower Computer 1 Remove the data power and audio cables from the drive ...

Page 65: ...DENTIAL PRELIMINARY 9 26 02 Cable Rem ova l 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 1 Power cable 2 Audio cable 3 Data cable 4 Drive connector 2 1 3 4 ...

Page 66: ...Meteor SM A03 drives fm DELL CONFIDENTIAL PRELIMINARY 9 26 02 CD DVD Drive Re moval 4 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 Dr iv e Br a ck et Rai l Rem ova l ...

Page 67: ...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 ...

Page 68: ...68 Drives w w w d e l l c o m s u p p o r t d e l l c o m FILE LOCATION S SYSTEMS Meteor SM A03 drives fm DELL CONFIDENTIAL PRELIMINARY 9 26 02 Inte rpo ser B oard Repla ce ment 1 3 2 or 1 3 2 ...

Page 69: ...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 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 sec...

Page 70: ...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 1 Power cable 2 Audio cable 3 Data cable 4 Drive connect...

Page 71: ...om 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 Repla cem ent 2 1 3 4 ...

Page 72: ...l 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 ...

Page 73: ...LL CONFIDENTIAL PRELIMINARY 9 26 02 Cable Rem ova l 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 1 Power cable 2 Hard drive cable 1 2 ...

Page 74: ...emoving the two screws that secure each rail to the drive Small Desktop 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 t...

Page 75: ...IAL PRELIMINARY 9 26 02 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 Ha rd Drive Shroud Removal 2 Disconnect the power and hard drive data cables from the drive ...

Page 76: ...p p o r t d e l l c o m FILE LOCATION S SYSTEMS Meteor SM A03 drives fm DELL CONFIDENTIAL PRELIMINARY 9 26 02 Ca ble Rem ov al 3 Press in on the tabs on each side of the drive and slide it up and out 1 Hard drive cable 2 Power cable 1 2 ...

Page 77: ...02 Ha r d Dr ive Remo va l 4 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 Mini Tower Computer 1 Disconnect the power and hard drive data cables from the drive 1 Tabs 2 1 ...

Page 78: ...p p o r t d e l l c o m FILE LOCATION S SYSTEMS Meteor SM A03 drives fm DELL CONFIDENTIAL PRELIMINARY 9 26 02 Ca ble Rem ov al 2 Press in on the tabs on each side of the drive and slide it up and out 1 Power cable 2 Hard drive cable 1 2 ...

Page 79: ...e 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 p...

Page 80: ...c o m s u p p o r t d e l l c o m FILE LOCATION S SYSTEMS Meteor SM A03 drives fm DELL CONFIDENTIAL PRELIMINARY 9 26 02 Small Form Factor Computer Hard Drive Repla cem ent 1 Power cable 2 IDE data cable 3 IDE1 connector 3 1 2 ...

Page 81: ...Drives 81 FILE LOCATION S SYSTEMS Meteor SM A03 drives fm DELL CONFIDENTIAL PRELIMINARY 9 26 02 Small Desktop Computer Ha rd Drive Repla cem ent 1 Power cable 2 IDE data cable 3 IDE1 connector 3 1 2 ...

Page 82: ...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 all 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 conne...

Page 83: ...e 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 C...

Page 84: ...s 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 fi...

Page 85: ... ns ta l l e d 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 1 Rail tabs 2 2 Second hard drive in upper bay 3 First hard drive in lower bay 4 Hard drive cage 1 2 4 3 ...

Page 86: ...86 Drives w w w d e l l c o m s u p p o r t d e l l c o m FILE LOCATION S SYSTEMS Meteor SM A03 drives fm DELL CONFIDENTIAL PRELIMINARY 9 26 02 ...

Page 87: ... e l l c o m s u p p o r t d e l l c o m 9 S E C T IO N 9 Expansion Card Expansion Card Types Removing an Expansion Card Replacing an Expansion Card Removing an AGP Graphics Card Replacing an AGP Graphics Card ...

Page 88: ...small form factor computer one low profile 32 bit 33 MHz PCI card In the small desktop computer up to two 32 bit 33 MHz PCI cards In the 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 ...

Page 89: ...n the system board is off For the location of this light see System Board Components Expans ion Cards Removing an Expansion Card 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 1 AGP 4x card 2 Low profile 32 bit PCI card 3 32 bit PCI card 1 2 3 ...

Page 90: ...ease it out of its connector on the riser board 4 If you are removing the card permanently install a metal filler bracket over the empty card slot opening Expa nsion Card Removal Small Desktop Computer 1 Remove the expansion card cage 2 If necessary disconnect any cables connected to the card 1 Card edge connector 2 Expansion card 3 Hinged lever 4 Retention arm 5 Expansion card connector 1 2 3 4 5...

Page 91: ...d 5 If you 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 retention arm and raise the retention arm 1 Retention arm 5 Expansion card connector 2 Lever 6 Riser board 3 Expansion card 7 Expansion card cage 4 Card edge connecto...

Page 92: ... riser board 4 If you 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 CAUTION Use a wrist grounding strap as explained in Precautionary Measures 1 Expansion card 2 Card edge connector 3 Expansion card connector 4 Retention arm 5 Lever 1 2 3 4 5 ...

Page 93: ...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...

Page 94: ... 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 1 Bracket within slot 2 Bracket caught outside of slot 3 Fully seated card 4 Not fully seated card 3 4 2 1 ...

Page 95: ...n 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 1 Filler bracket 2 Alignment guide 3 Alignment bar 4 Retention arm 4 1 2 3 ...

Page 96: ...he bracket up AGP Slot Filler Bracket Removal 2 On the AGP card clip press the lever toward 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 1 Hinged lever 1 ...

Page 97: ... 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 1 Hinged lever 2 Indented tab 1 2 ...

Page 98: ...n Card w w w d e l l c o m s u p p o r t d e l l c o m AGP Slot Filler Bracket Removal 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 1 Hinged lever 1 ...

Page 99: ...ute rs 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 1 AGP card 4 AGP card clip tab 2 System board 5 AGP card clip lever 3 AGP card clip 6 AGP card notch 1 2 4 3 5 6 ...

Page 100: ...100 Expansion Card w w w d e l l c o m s u p p o r t d e l l c o m ...

Page 101: ...s u p p o r t d e l l c o m 10 S E C T I O N 1 0 Expansion Card Cage Small Desktop Computer Only Removing the Expansion Card Cage Replacing the Expansion Card Cage Removing the PCI Riser Board Replacing the PCI Riser Board ...

Page 102: ...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 Expa nsion 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 expan...

Page 103: ...ds or the system board by ESD ground yourself by touching an unpainted metal surface on the back of the computer CAUTION Use a wrist grounding strap 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 Removin...

Page 104: ...104 Expansion Card Cage Small Desktop Computer Only w w w d e l l c o m s u p p o r t d e l l c o m ...

Page 105: ...w w w d e l l c o m s u p p o r t d e l l c o m 11 S E C T I O N 1 1 Front Panel Inserts Removing Front Panel Inserts Replacing Front Panel Inserts ...

Page 106: ...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 o...

Page 107: ...Front Panel Inserts 107 Small Form Factor Computer ...

Page 108: ...108 Front Panel Inserts w w w d e l l c o m s u p p o r t d e l l c o m Small Desktop Computer ...

Page 109: ...Front Panel Inserts 109 Small Mini Tower Computer ...

Page 110: ...Front Panel Inserts w w w d e l l c o m s u p p o r t d e l l c o m Replacing Front Panel Inserts To replace a front panel insert follow the appropriate procedure in reverse in Removing Front Panel Inserts ...

Page 111: ...w w w d e l l c o m s u p p o r t d e l l c o m 12 S E C T I O N 1 2 I O Panel Removing the Front I O Panel Replacing the Front I O Panel ...

Page 112: ...r Computer 1 To access the mounting screw that holds the front I O panel to the computer remove the hard drive Fr ont I O Pa nel Re moval 2 Disconnect the control panel cable from the control panel connector on the I O panel 1 Front I O cable 2 Front audio cable 3 Mounting screw 4 Control panel cable 1 2 4 3 ...

Page 113: ...O panel to the computer 6 Remove the front 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 4 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 c...

Page 114: ... Re moval 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 1 Control panel cable 2 Front I O cable 3 Front audio cable 4 Mounting screw 2 3 4 1 ...

Page 115: ... 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 1 Control panel cable 2 Front audio cable 3 Front I O cable 4 Mounting screw 1 2 3 4 ...

Page 116: ...an replace it correctly 3 Remove 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 O Panel To replace the front I O panel follow the removal procedure for your computer in reverse ...

Page 117: ...w w w d e l l c o m s u p p o r t d e l l c o m 13 S E C T I O N 1 3 Memory Removing a Memory Module Replacing a Memory Module ...

Page 118: ...asures 1 Press the securing clips outward simultaneously until the memory module disengages and pops out slightly from the socket Memor y Module Re moval 2 Lift the module away from the socket Replacing a Memory Module 1 Press the module fully into the socket while closing the securing clips to lock the module into place 1 Securing clips 2 2 Socket 1 2 ...

Page 119: ...Memory 119 Me mo r y Mo dule Re pl ace ment 1 2 3 1 Socket 2 Slot 3 Securing clip ...

Page 120: ...120 Memory w w w d e l l c o m s u p p o r t d e l l c o m ...

Page 121: ...w d e l l c o m s u p p o r t d e l l c o m 14 S E C T I O N 1 4 Microprocessor Removing the Cooling Fan Heat Sink Assembly and Microprocessor Replacing the Cooling Fan Heat Sink Assembly and Microprocessor ...

Page 122: ...e 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 Air f low Shroud Ro ta tion Small Mini Tower Computer 4 On the small mini tower computer press down on the metal securing latches to release the securing clips from the retention ...

Page 123: ... 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 1 Securing latches 2 4 Retention base 2 Securing clips 2 5 ZIF socket 3 Heat sink 6 Tabs 3 1 2 3 4 5 6 ...

Page 124: ...ink gently rock the heat sink and then slightly twist it as you lift it from the system board 6 Lift the heat sink or heat sink blower assembly away from the microprocessor 7 On the small form factor and small desktop computers remove the two screws on the blower to remove it from the heat sink 1 Latches 2 4 Screws 2 2 Securing clips 2 5 Heat sink 3 Blower 6 Retention base 4 3 2 1 5 6 ...

Page 125: ...cing 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 Mi croproc ess or Re mov al 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...

Page 126: ...embly and Microprocessor 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 1 the beveled corner of the microprocessor with the pin 1 corner of the socket NOTE You must identify the pin 1 corn...

Page 127: ... 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 ki...

Page 128: ...e the airflow shroud back over the heat sink 10 Plug the fan cable into its connector on the system board 11 Plug the 12 volt power cable into its connector on the system board 12 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 configuratio...

Page 129: ...signed by someone else contact the network administrator for information on resetting the chassis intrusion detector 15 Run the Dell Diagnostics to verify that the new processor is operating correctly See the User s Guide for information on Dell Diagnostics ...

Page 130: ...130 Microprocessor w w w d e l l c o m s u p p o r t d e l l c o m ...

Page 131: ...w w w d e l l c o m s u p p o r t d e l l c o m 15 S E C T I O N 1 5 Power Supply Removing the Power Supply Replacing the Power Supply ...

Page 132: ...132 Power Supply w w w d e l l c o m s u p p o r t d e l l c o m Removing the Power Supply Small Form Factor Computer 1 Release button 2 AC power connector 2 1 ...

Page 133: ...Power Supply 133 Small Desktop Computer 1 Release button 2 AC power connector 1 2 ...

Page 134: ... 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 su...

Page 135: ...ower 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 Press the clips to close them over the cables ...

Page 136: ...136 Power Supply w w w d e l l c o m s u p p o r t d e l l c o m ...

Page 137: ...w w w d e l l c o m s u p p o r t d e l l c o m 16 S E C T I O N 1 6 System Board System Board Components Removing the System Board Replacing the System Board ...

Page 138: ...138 System Board w w w d e l l c o m s u p p o r t d e l l c o m System Board Components 7 1 9 10 2 3 4 5 6 8 11 12 13 15 17 18 19 20 21 14 16 22 23 24 25 26 27 28 29 30 ...

Page 139: ...nectors 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 RTC reset jumper 15 Audio line in connector 30 Password jumper 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 M...

Page 140: ...twork adapter connector and USB connectors PAR_SER1_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 Connector or Socket Description ...

Page 141: ...he system board 2 Disconnect all cables from the system board 3 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 4 Pull up on the tab and slide the system board toward the front of the computer lift it up and away Jumper Setting Description PSWD default Password features are enabled Pa...

Page 142: ...the replacement system board 2 Remove the memory modules and install them on the replacement board 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 syst...

Page 143: ... 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 9 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 intrusi...

Page 144: ...144 System Board w w w d e l l c o m s u p p o r t d e l l c o m ...

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Dell GX240 - OptiPlex Pentium 4 1.8GHz 512MB 40GB CD Win2K, Service Manual

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