1. Manuals
  2. Brands
  3. Dell Manuals
  4. Desktop
  5. GX240 - OptiPlex Pentium 4 1.8GHz 512MB 40GB CD...
  6. Service manual

Dell OptiPlex GX240 Service Manual

Dell optiplex gx240: user guide
Hide thumbs Also See for OptiPlex GX240:
Table of Contents

Advertisement

Quick Links

See also: User Manual
Dell™ OptiPlex™ GX240
SERVICE MANUAL
www.dell.com
support.dell.com

Advertisement

Table of Contents
loading

Related Manuals for Dell OptiPlex GX240

Summary of Contents for Dell OptiPlex GX240

  • Page 1 Dell™ OptiPlex™ GX240 SERVICE MANUAL www.dell.com support.dell.com...
  • Page 2 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.

  • Page 3: Table Of Contents

    Contents 1 Before You Begin Getting Started ......Recommended Tools Precautionary Measures 2 Computer Cover Opening the Computer Cover Closing the Computer Cover 3 Inside the Computer...
  • Page 4 Replacing the Badge Small Form-Factor Computer 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 7 Control Panel Removing the Control Panel Small Form-Factor Computer Small Desktop Computer Small Mini-Tower Computer Replacing the Control Panel...
  • Page 5 Small Form-Factor Computer Small Desktop Computer Small Mini-Tower Computer Replacing the CD/DVD Drive Small Form-Factor Computer Small Desktop Computer Small Mini-Tower Computer Removing the Hard Drive ..... . Small Form-Factor Computer Small Desktop Computer Small Mini-Tower Computer...
  • Page 6 10 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 11 Front-Panel Inserts Removing Front-Panel Inserts Replacing Front-Panel Inserts 12 I/O Panel Removing the Front I/O Panel Small Form-Factor Computer Small Desktop Computer Small Mini-Tower Computer...
  • Page 7 15 Power Supply Removing the Power Supply Replacing the Power Supply 16 System Board System Board Components Removing the System Board Replacing the System Board ....
  • Page 8 Contents...

  • Page 9: Before You Begin

    S E C T I O N 1 B e f o r e Yo u B e g i n Getting Started Precautionary Measures...

  • Page 10: Getting Started

    The GX240 computer is primarily a tool-less one, but certain procedures (such as removing the heat sink blower or the control panel) require the use of one or more of the following tools: Also, Dell recommends that you use a wrist grounding strap as explained in "Precautionary Precautionary Measures...
  • Page 11 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...
  • Page 12 Before Yo u Begi n...

  • Page 13: Computer Cover

    S E C T I O N 2 C o m p u t e r C o v e r Opening the Computer Cover Closing the Computer Cover...

  • Page 14: Opening The Computer Cover

    Opening the Computer Cover NOTE: S m a l l Fo r m - Fa c t o r C o m p u t e r If your computer is on a stand, remove the stand before you open the computer cover.
  • Page 15 S m a l l D e s k t o p C o m p u t e r Padlock ring Release buttons (one on each side) C o mp u t e r C o ve r...
  • Page 16 S m a l l M i n i -To w e r C o m p u t e r Com pute r Cov er Padlock ring Release buttons (one on each side) 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.

  • Page 17: Closing The Computer Cover

    Closing the Computer Cover 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.
  • Page 18 Com pute r Cov er...

  • Page 19: Inside The Computer

    S E C T I O N 3 I n s i d e t h e C o m p u t e r Key Components Computer Cables...

  • Page 20: Key Components

    Key Components NOTE: S m a l l Fo r m - Fa c t o r C o m p u t e r User service access points are color- coded green. Inside the Computer Hard drive 3.5-inch floppy drive CD/DVD drive Cover release buttons (2) Internal speaker...
  • Page 21 S m a l l D e s k t o p C o m p u t e r Cover release buttons (2) Hard drive Internal speaker Chassis intrusion switch Expansion-card cage Power supply Expansion-card slots AC power connector Padlock ring I/O ports and connectors Heat sink and blower assembly...
  • Page 22 S m a l l M i n i -To w e r C o m p u t e r Inside the Computer Cover release buttons (2) Hard drive Internal speaker Chassis intrusion switch System board Expansion-card slots I/O ports and connectors AC power connector Padlock ring Microprocessor and airflow shroud...

  • Page 23: Computer Cables

    Computer Cables S m a l l Fo r m - Fa c t o r C o m p u t e r CD/DVD drive data cable Floppy drive data cable Control panel cable CD/DVD drive power cable IDE drive power cable (hard drive) 10 IDE data cable (hard drive) Input/output cable Input/output audio cable...
  • Page 24 S m a l l D e s k t o p C o m p u t e r Inside the Computer CD/DVD drive audio cable CD/DVD drive data cable Floppy drive data cable Control panel cable Input/output cable Input/output audio cable IDE data cable (hard drive)
  • Page 25 S m a l l M i n i -To w e r C o m p u t e r CD/DVD drive power cable CD/DVD drive audio cable CD/DVD drive data cable Floppy drive power cable Floppy drive data cable IDE drive power cable (hard drive) IDE drive data cable (hard drive) Input/output cable...
  • Page 26 C a b l e C o l o r s Device Hard drive Floppy drive CD/DVD drive ATA, IDE, or EIDE drive Control panel CD/DVD audio Computer audio Inside the Computer Color Blue Black Orange Gray Green Yellow Blue Black...

  • Page 27: Battery

    S E C T I O N 4 B a t t e r y Removing the Battery Replacing the Battery...

  • Page 28: Removing The Battery

    Removing the Battery Replacing the Battery B a tt e r y 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.

  • Page 29: Badge

    S E C T I O N 5 B a d g e Removing the Badge Replacing the Badge...

  • Page 30: Removing The Badge

    Removing the Badge Small Form-Factor Computer C o m p u t e r C o v e r R e m o v a l Badge Open the computer cover. Using a flat-blade screwdriver, release the tabs from the inside of the computer and remove the plastic computer cover from the metal component.

  • Page 31: Small Desktop And Small Mini-Tower Computers

    Small Desktop and Small Mini-Tower Computers Open the front USB door. From inside the door, push in the two tabs on either side of the badge to release the badge. Press on the badge until it is freed. Replacing the Badge Small Form-Factor Computer Replace the plastic computer cover.
  • Page 32 C o m p u t e r C o v e r R e p l a c e m e n t To help replace the plastic computer cover, remove the accent door and front mask from the plastic computer cover: Badge 1 Metal hooks (2) Remove the front mask by releasing the tabs on the inside of the...

  • Page 33: Small Desktop And Small Mini-Tower Computers

    F r o n t M a s k a n d A c c e n t D o o r R e m o v a l 1 Accent door 2 Front mask Replace the badge by pressing it into place, ensuring that the two tabs click, securing it into position.
  • Page 34 Badge...

  • Page 35: Chassis Intrusion Switch

    S E C T I O N 6 C h a s s i s I n t r u s i o n S w i t c h Removing the Chassis Intrusion Switch Replacing the Chassis Intrusion Switch Resetting the Chassis Intrusion Detector...

  • Page 36: Removing The Chassis Intrusion Switch

    Removing the Chassis Intrusion Switch S m a l l Fo r m - Fa c t o r C o m p u t e r C h a s s i s I n t r u s i o n S w i t c h...
  • Page 37 S m a l l D e s k t o p C o m p u t e r Chassis Intr usion Switch...

  • Page 38: Replacing The Chassis Intrusion Switch

    S m a l l M i n i -To w e r C o m p u t e r Replacing the Chassis Intrusion Switch To replace the chassis intrusion switch, follow the Intrusion C h a s s i s I n t r u s i o n S w i t c h Disconnect the chassis intrusion switch cable connector from the control panel on the front of the chassis.

  • Page 39: Resetting The Chassis Intrusion Detector

    Resetting the Chassis Intrusion Detector Enter system setup by pressing <F2> during the computer's POST. NOTE: For instructions on using system setup, see the 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.
  • Page 40 C h a s s i s I n t r u s i o n S w i t c h...

  • Page 41: Control Panel

    S E C T I O N 7 C o n t r o l Pa n e l...

  • Page 42: Removing The Control Panel

    Removing the Control Panel Small Form-Factor Computer C o m p u t e r C o v e r R e m o v a l Control Panel Open the computer cover. Using a flat-blade screwdriver, release the tabs from the inside of the computer and remove the plastic computer cover from the metal component.

  • Page 43: Small Desktop Computer

    C o n t r o l P a n e l R e m o v a l Remove the metal control-panel shield. Remove the screw that holds the control panel to the computer. Small Desktop Computer Remove the front I/O panel.

  • Page 44: Small Mini-Tower Computer

    C o n t r o l P a n e l R e m o v a l Small Mini-Tower Computer Control Panel Remove the screw holding the control panel to the computer, and pull the panel up and away from the computer. Lay the computer on its right side and open the cover.
  • Page 45 F r o n t B e z e l Ta b s — S m a l l M i n i -To w e r C o m p u t e r 1 Top panel 2 Bottom panel 3 Front-panel tabs (3) 4 Top-panel tabs (8) Close the cover and remove the front bezel.

  • Page 46: Replacing The Control Panel

    C o n t r o l P a n e l R e m o v a l Replacing the Control Panel Small Form-Factor Computer Control Panel Remove the screw holding the control panel to the chassis, and pull the panel up and away from the chassis.
  • Page 47 C o m p u t e r C o v e r R e p l a c e m e n t 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 the inside of the plastic computer cover.

  • Page 48: Small Desktop Computer

    F r o n t M a s k a n d A c c e n t D o o r R e m o v a l — S m a l l Fo r m - Fa c t o r C o m p u t e r Small Desktop Computer Small Mini-Tower Computer...

  • Page 49: Drives

    S E C T I O N 8 D r i v e s 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 FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm D E L L C O N F I D E N T I A L –...

  • Page 50: Removing The Floppy Drive

    FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm Removing the Floppy Drive Small Form-Factor Computer R e m o v i n g t h e I n t e r p o s e r B o a r d — S m a l l Fo r m - Fa c t o r C o m p u t e r D E L L C O N F I D E N T I A L –...
  • Page 51 FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm To release the floppy-drive cable from the connector, slide the lever until it is fully extended, and then lift the cable away. D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 9 / 2 6 / 0 2 Drives...
  • Page 52 FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm R e m o v i n g t h e F l o p p y - D r i v e C a b l e D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 9 / 2 6 / 0 2 Driv es...

  • Page 53: Small Desktop Computer

    FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm Floppy-drive cable Lever 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 Disconnect the power cable and the floppy-drive data cable from the drive.
  • Page 54 FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm F l o p p y - D r i v e R e m o v a l D r i v e B r a c k e t R a i l R e m o v a l D E L L C O N F I D E N T I A L –...

  • Page 55: Small Mini-Tower Computer

    FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm Small Mini-Tower Computer Disconnect the power cable and the floppy-drive data cable from the drive. Disconnect the data cable from the floppy-drive connector on the system board. C a b l e R e m o v a l Power cable Floppy-drive data cable Floppy-drive connector...
  • Page 56 FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 9 / 2 6 / 0 2 Driv es Connect the interposer board to the floppy drive.
  • Page 57 FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm A t t a c h i n g t h e F l o p p y - D r i v e D a t a C a b l e D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 9 / 2 6 / 0 2 Drives...

  • Page 58: Small Desktop Computer

    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. 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.

  • Page 59: Small Mini-Tower Computer

    FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm C a b l e R e p l a c e m e n t Power cable Floppy-drive data cable Floppy-drive connector Small Mini-Tower 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.

  • Page 60: Removing The Cd/Dvd Drive

    FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm C a b l e R e p l a c e m e n t Removing the CD/DVD Drive Small Form-Factor Computer D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 9 / 2 6 / 0 2 Driv es Power cable Floppy-drive data cable...
  • Page 61 FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm I n t e r p o s e r B o a r d R e m o v a l Interposer board Press inward on the two tabs on the sides of the drive to disengage the drive from the computer.

  • Page 62: Small Desktop Computer

    FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm C D / D V D D r i v e R e m o v a l Small Desktop Computer Remove the data, power, and audio cables from the drive. D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 9 / 2 6 / 0 2 Driv es...
  • Page 63 FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm C a b l e R e m o v a l Power cable Audio cable Data cable Drive connector Press inward on the two tabs on the sides of the drive bay to disengage the drive from the computer. Slide the drive upward and remove it from the computer.

  • Page 64: Small Mini-Tower Computer

    FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm D r i v e B r a c k e t R a i l R e m o v a l Small Mini-Tower Computer Remove the data, power, and audio cables from the drive. D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 9 / 2 6 / 0 2 Driv es...
  • Page 65 FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm C a b l e R e m o v a l Power cable Audio cable Data cable Drive connector Press inward on the two tabs on the sides of the drive bay to disengage the drive from the computer. Slide the drive upward and remove it from the computer.
  • Page 66 FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm C D / D V D D r i v e R e m o v a l D r i v e B r a c k e t R a i l R e m o v a l D E L L C O N F I D E N T I A L –...

  • Page 67: Replacing The Cd/Dvd Drive

    FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm Replacing the CD/DVD Drive Small Form-Factor Computer Gently slide the drive into place until the tabs securely click into position. Connect the interposer board to the CD/DVD drive. Ensure that the interposer board tab fits securely under the notch on the inside of the cover.
  • Page 68 FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm I n t e r p o s e r B o a r d R e p l a c e m e n t D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 9 / 2 6 / 0 2 Driv es...

  • Page 69: Small Desktop Computer

    FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm 1 Interposer board 2 Notch on inside of cover 3 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. Connect the data, power, and audio cables to the drive.
  • Page 70 FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm C a b l e R e p l a c e m e n t D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 9 / 2 6 / 0 2 Driv es Power cable Audio cable...

  • Page 71: Small Mini-Tower Computer

    FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm If the drive bay was previously empty, remove the front-panel insert from the front panel. Release the insert tabs from inside the chassis. Remove the insert by pressing it until it pops free. Replace the front-panel piece by snapping it into place. Small Mini-Tower Computer Gently slide the drive into place until the tabs securely click into position.

  • Page 72: Removing The Hard Drive

    FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm Removing the Hard Drive Small Form-Factor Computer D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 9 / 2 6 / 0 2 Driv es Power cable Audio cable...
  • Page 73 FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm C a b l e R e m o v a l Power cable Hard-drive cable 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.

  • Page 74: Small Desktop Computer

    FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm H a r d D r i v e R e m o v a l Small Desktop Computer D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 9 / 2 6 / 0 2 Driv es Notch in drive rail Tabs (2)
  • Page 75 FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm H a r d - D r i v e S h r o u d R e m o v a l 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.
  • Page 76 FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm C a b l e R e m o v a l D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 9 / 2 6 / 0 2 Driv es Hard-drive cable Power cable...

  • Page 77: Small Mini-Tower Computer

    FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm H a r d D r i v e R e m o v a l 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.
  • Page 78 FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm C a b l e R e m o v a l D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 9 / 2 6 / 0 2 Driv es Power cable Hard-drive cable...

  • Page 79: Replacing The Hard Drive

    FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm H a r d D r i v e R e m o v a l 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.

  • Page 80: Small Form-Factor Computer

    FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm Small Form-Factor Computer H a r d D r i v e R e p l a c e m e n t D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 9 / 2 6 / 0 2 Driv es Power cable IDE data cable...

  • Page 81: Small Desktop Computer

    FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm Small Desktop Computer H a r d D r i v e R e p l a c e m e n t Power cable IDE data cable IDE1 connector D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 9 / 2 6 / 0 2 Drives...

  • Page 82: Small Mini-Tower Computer

    FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm Small Mini-Tower Computer H a r d D r i v e R e p l a c e m e n t D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 9 / 2 6 / 0 2 Driv es Power cable IDE data cable...

  • Page 83: Adding A Second Hard Drive - Small Mini-Tower Computer

    For partition and format instructions, see the documentation that came with the operating system. Test the hard drive by running the Dell Diagnostics. See "Solving Problems" in the User's Guide for complete information. If the drive you just installed is the primary drive, install the operating system on the hard drive.
  • Page 84 FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 9 / 2 6 / 0 2 Driv es Remove the two green plastic drive rails inside the lower hard-drive bay.
  • Page 85 FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm S e c o n d H a r d D r i v e I n s t a l l e d 1 Rail tabs (2) 2 Second hard drive in upper 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.
  • Page 86 FILE LOCATION: S:\SYSTEMS\Meteor\SM\A03\drives.fm D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 9 / 2 6 / 0 2 Driv es...

  • Page 87: Expansion Card

    S E C T I O N 9 E x p a n s i o n C a r d Expansion Card Types Removing an Expansion Card Replacing an Expansion Card Removing an AGP Graphics Card Replacing an AGP Graphics Card...

  • Page 88: Expansion Card Types

    Expansion Card Types Your computer provides expansion slots for the following 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 Card •...

  • Page 89: Removing An Expansion Card

    E x p a n s i o n C a r d s AGP 4x card Low-profile 32-bit PCI card 32-bit PCI card Removing an Expansion Card CAUTION: Use a wrist grounding strap as explained in "Precautionary Measures." Small Form-Factor Computer If necessary, disconnect any cables connected to the card.

  • Page 90: Small Desktop Computer

    E x p a n s i o n C a r d R e m o v a l Small Desktop Computer Expansion Card Press the hinged lever on the expansion card retention arm and raise the retention arm. Grasp the card by its outside corners and ease it out of its connector on the riser board.

  • Page 91: Small Mini-Tower Computer

    Press the lever on the expansion card retention arm and raise the retention arm. E x p a n s i o n C a r d R e m o v a l Retention arm Lever Expansion card Card-edge connector Grasp the card by its outside corners and ease it out of its connector on the riser board.

  • Page 92: Replacing An Expansion Card

    S m a l l M i n i -To w e r C o m p u t e r Replacing an Expansion Card Small Form-Factor, Desktop, and Mini-Tower Computers Expansion Card Expansion card Card-edge connector Expansion-card connector Retention arm Lever Grasp the card by its outside corners and ease it out of its connector on the riser board.
  • Page 93 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. 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.
  • Page 94 E x p a n s i o n C a r d C o n n e c t i o n Expansion Card 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: •...
  • Page 95 R e t e n t i o n A r m C l o s u r e 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...

  • Page 96: Removing An Agp Graphics Card

    Removing an AGP Graphics Card Small Form-Factor Computer A G P S l o t F i l l e r B r a c k e t R e m o v a l Small Desktop Computer Expansion Card Remove the filler bracket by raising the hinged lever and then sliding the bracket up.

  • Page 97: Small Mini-Tower Computer

    A G P S l o t F i l l e r B r a c k e t R e m o v a l On the AGP card clip, press the lever toward the PCI slot 1. Pull the AGP card up and out of the AGP card clip.
  • Page 98 A G P S l o t F i l l e r B r a c k e t R e m o v a l Expansion Card On the AGP card clip, press the lever toward PCI slot 1. Pull the AGP card up and out of the AGP card clip.

  • Page 99: Replacing An Agp Graphics Card

    Replacing an AGP Graphics Card S m a l l Fo r m - Fa c t o r, S m a l l D e s k t o p , a n d S m a l l M i n i -To w e r C o m p u t e r s AGP card System board...
  • Page 100 Expansion Card...

  • Page 101: Expansion-Card Cage (Small Desktop Computer Only)

    S E C T I O N 1 0 E x p a n s i o n - C a r d C a g e ( S m a l l D e s k t o p C o m p u t e r O n l y ) Removing the Expansion-Card Cage Replacing the Expansion-Card Cage...

  • Page 102: Removing The Expansion-Card Cage

    E x p ans ion- Ca r d C ag e (S ma ll D es ktop C om pute r Only) Removing the Expansion-Card Cage CAUTION: Use a wrist grounding strap as explained in "Precautionary Measures." 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.

  • Page 103: Removing The Pci Riser Board

    E x p a n s i o n - C a r d C a g e R e p l a c e m e n t Replace and reconnect any cables you removed in 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...
  • Page 104 E x p ans ion- Ca r d C ag e (S ma ll D es ktop C om pute r Only)

  • Page 105: Front-Panel Inserts

    S E C T I O N 1 1 F r o n t - Pa n e l I n s e r t s Removing Front-Panel Inserts Replacing Front-Panel Inserts...

  • Page 106: Removing Front-Panel Inserts

    Front-Pane l Inse rts Removing Front-Panel Inserts On the small form-factor and small desktop computers, perform the following steps. Face the front of the computer and use your fingers to remove the front-panel cover. Press on the insert until it pops free of the front-panel cover. On the small mini-tower computer, perform the following steps.
  • Page 107 S m a l l Fo r m - Fa c t o r C o m p u t e r Front-Panel Inse rts...
  • Page 108 S m a l l D e s k t o p C o m p u t e r Front-Pane l Inse rts...
  • Page 109 S m a l l M i n i -To w e r C o m p u t e r Front-Panel Inse rts...

  • Page 110: Replacing Front-Panel Inserts

    Replacing Front-Panel Inserts To replace a front-panel insert, follow the appropriate procedure, in reverse, "Removing Front-Panel Inserts." Front-Pane l Inse rts...
  • Page 111 S E C T I O N 1 2 I / O Pa n e l Removing the Front I/O Panel Replacing the Front I/O Panel...

  • Page 112: Removing The Front I/O Panel

    I/O Panel Removing the Front I/O Panel Small Form-Factor Computer To access the mounting screw that holds the front I/O panel to the computer, remove the hard F r o n t I / O P a n e l R e m o v a l Front I/O cable Front audio cable Mounting screw...

  • Page 113: Small Desktop Computer

    Disconnect the front I/O cable from the front-panel connector on the system board (see "System Board front-panel connector and see 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.
  • Page 114 I/O Panel F r o n t I / O P a n e l R e m o v a l Control panel cable Front I/O cable Front audio cable Mounting screw Remove all cables that are connected to the front I/O panel. Remove the mounting screw that secures the front I/O panel to the computer.

  • Page 115: Small Mini-Tower Computer

    Small Mini-Tower Computer F r o n t I / O P a n e l R e m o v a l Control panel cable Front audio cable Front I/O cable Mounting screw Disconnect the control panel cable from the control panel connector on the I/O panel.

  • Page 116: Replacing The Front I/O Panel

    I/O Panel Note the routing of the control panel cable as you remove it from the computer so that you can replace it correctly. Remove all cables that are connected to the front I/O panel. From inside the chassis cover, remove the mounting screw that secures the front I/O panel to the chassis.

  • Page 117: Memory

    S E C T I O N 1 3 M e m o r y Removing a Memory Module Replacing a Memory Module...

  • Page 118: Removing A Memory Module

    Memor y Removing a Memory Module CAUTION: Use a wrist grounding strap as explained in "Precautionary Measures." Press the securing clips outward simultaneously until the memory module disengages and pops out slightly from the socket. M e m o r y M o d u l e R e m o v a l Securing clips (2) Socket Lift the module away from the socket.
  • Page 119 M e m o r y M o d u l e R e p l a c e m e n t Socket Slot Securing clip Memor y...
  • Page 120 Memor y...

  • Page 121: Microprocessor

    S E C T I O N 1 4 M i c r o p r o c e s s o r Removing the Cooling Fan/Heat-Sink Assembly and Microprocessor Replacing the Cooling Fan/Heat-Sink Assembly and Microprocessor...

  • Page 122: Removing The Cooling Fan/Heat-Sink Assembly And Microprocessor

    Microproc ess or Removing the Cooling Fan/Heat-Sink Assembly and Microprocessor CAUTION: Use a wrist grounding strap as explained in "Precautionary Measures." 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.
  • Page 123 H e a t S i n k R e m o v a l — S m a l l M i n i -To w e r C o m p u t e r Securing latches (2) Securing clips (2) Heat sink On the small form-factor and small desktop computers, remove the...
  • Page 124 Microproc ess or H e a t S i n k / B l o w e r A s s e m b l y R e m o v a l — S m a l l Fo r m - Fa c t o r a n d S m a l l D e s k t o p C o m p u t e r s Latches (2) Securing clips (2)
  • Page 125 Do not discard the original heat sink and securing clips unless you are installing a microprocessor upgrade kit from Dell. If you are a microprocessor upgrade kit from Dell, reuse the original heat sink, blower, and securing clips when installing your new microprocessor.

  • Page 126: Replacing The Cooling Fan/Heat-Sink Assembly And Microprocessor

    Microproc ess or Remove the microprocessor from the socket. Leave the release lever extended so that the socket is ready for the new microprocessor. Replacing the Cooling Fan/Heat-Sink Assembly and Microprocessor CAUTION: Use a wrist grounding strap as explained in "Precautionary Measures."...
  • Page 127 NOTICE: If you are installing a microprocessor replacement kit from Dell, return the microprocessor to Dell in the same package in which your replacement kit was sent. Microprocessor...
  • Page 128 Microproc ess or NOTICE: If you are installing a microprocessor upgrade kit from Dell, 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.
  • Page 129 Run the Dell Diagnostics to verify that the new processor is operating correctly. See the User’s Guide for information on Dell Diagnostics. NOTE: If a setup password has been assigned by someone else, contact the network administrator for information on resetting the chassis intrusion detector.
  • Page 130 Microproc ess or...

  • Page 131: Power Supply

    S E C T I O N 1 5 P o w e r S u p p l y Removing the Power Supply Replacing the Power Supply...

  • Page 132: Removing The Power Supply

    Po wer Supply Removing the Power Supply S m a l l Fo r m - Fa c t o r C o m p u t e r Release button AC power connector...
  • Page 133 S m a l l D e s k t o p C o m p u t e r Release button AC power connector Power Supply...
  • Page 134 Po wer Supply S m a l l M i n i -To w e r C o m p u t e r Disconnect the AC power cable from the back of the power supply. Disconnect the DC power cables from the system board and the drives.

  • Page 135: Replacing The Power Supply

    Lift the power supply up and out of the computer. Replacing the Power Supply 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 Run the cables underneath the clips.
  • Page 136 Po wer Supply...

  • Page 137: System Board

    S E C T I O N 1 6 S y s t e m B o a r d System Board Components Removing the System Board Replacing the System Board...

  • Page 138: System Board Components

    Sy stem Boar d System Board Components...
  • Page 139 Floppy drive Internal speaker EIDE2 connector Front panel connector EIDE1 connector Suspend-to-RAM light PCI riser (small mini-tower computer only) Auxiliary power light AGP connector PCI connectors CD audio connector Telephony connector (TAPI) Front audio connector Microphone connector Audio line-in connector S y s t e m B o a r d L a b e l s Connector or Socket Description...
  • Page 140 Sy stem Boar d Connector or Socket Description KYBD_MOUSE Keyboard and mouse connectors MODEM Telephony connector NIC_USB Integrated network 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...

  • Page 141: Removing The System Board

    S y s t e m - B o a r d J u m p e r S e t t i n g s Jumper Setting Description PSWD (default) Password features are enabled. Password features are disabled. RTCRST Real-time clock reset.

  • Page 142: Replacing The System Board

    Sy stem Boar d R e m o v i n g t h e S y s t e m B o a r d Place the system board that you just removed next to the replacement system board. Replacing the System Board Transfer components from the existing system board to the replacement system board.
  • Page 143 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.
  • Page 144 Sy stem Boar d...

Table of Contents