Page 2 - Before You Begin; DellTM OptiPlexTM GX50 Systems; Getting Started; Recommended Tools; Precautionary Measures
Back to Contents Page Before You Begin Dell™ OptiPlex™ GX50 Systems Getting Started Precautionary Measures Getting Started This section provides procedures for removing and replacing the components, assemblies, and subassemblies in the Dell™ OptiPlex™ GX50 computers. Unless otherwise noted, each pro...
Page 4 - Computer Cover; Opening the Computer Cover; Small Form-Factor Computer; Small Desktop Computer
Back to Contents Page Computer Cover Dell™ OptiPlex™ GX50 Systems Opening the Computer Cover Closing the Computer Cover 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 rin...
Page 5 - Small Mini-Tower Computer
1 Security cable slot 2 Padlock ring 3 Release buttons (one on each side) Small Mini-Tower Computer 1 Release buttons (one on each side) 2 Padlock ring 3 Security cable slot 1. Remove the padlock from the padlock ring, if present.
Page 6 - Closing the Computer Cover
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. 2. Press in on the two securing buttons u...
Page 7 - Inside the Computer; Key Components; Inside the Small Form-Factor Computer
Back to Contents Page Inside the Computer Dell™ OptiPlex™ GX50 Systems Key Components Computer Cables Key Components Inside the Small Form-Factor Computer 1 Hard drive 7 System board 2 3.5-inch floppy drive 8 Power supply 3 CD drive 9 AC power connector 4 Cover release buttons (2) 10 I/O ports and c...
Page 8 - Inside the Small Mini-Tower Computer
1 Cover release buttons (2) 8 AC power connector 2 Hard drive 9 Padlock ring 3 Internal speaker 10 I/O ports and connectors 4 Chassis intrusion switch 11 Heat sink assembly 5 Expansion-card cage 12 System board 6 Power supply 13 3.5-inch floppy drive 7 Expansion-card slots 14 CD drive Inside the Sma...
Page 9 - Computer Cables
1 Cover 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 drive 7 I/O ports and connectors Computer Cables Small ...
Page 12 - Cable Colors
1 CD drive audio cable 6 Hard drive power cable 2 CD drive power cable 7 Hard drive data cable 3 CD drive data cable 8 Front I/O cable 4 Floppy drive data cable 9 Front I/O audio cable 5 Floppy drive power cable Cable Colors Hard drive Blue pull tab Floppy drive Black pull tab CD drive Orange pull t...
Page 13 - Chassis Intrusion Switch; Removing the Chassis Intrusion Switch
Back to Contents Page Chassis Intrusion Switch Dell™ OptiPlex™ GX50 Systems Removing the Chassis Intrusion Switch Replacing the Chassis Intrusion Switch Resetting the Chassis Intrusion Detector Removing the Chassis Intrusion Switch Small Form-Factor Computer Small Desktop Computer
Page 15 - Replacing the Chassis Intrusion Switch; Resetting the Chassis Intrusion Detector
2. Slide the chassis intrusion switch out of its slot and remove the switch and its attached cable from the chassis. Replacing the Chassis Intrusion Switch To replace the chassis intrusion switch, follow the " Removing the Chassis Intrusion Switch " procedures in reverse order. Resetting the...
Page 16 - Removing Front-Panel Inserts
Back to Contents Page Front-Panel Inserts Dell™ OptiPlex™ GX50 Systems Removing Front-Panel Inserts Replacing 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...
Page 18 - Replacing Front-Panel Inserts
Small Mini-Tower Computer Replacing Front-Panel Inserts To replace a front-panel insert, follow the appropriate procedure, in reverse, in " Removing Front-Panel Inserts ." Back to Contents Page
Page 19 - Control Panel and Badge; Removing the Control Panel and Badge; Small Form-Factor Desktop Computer; Releasing the Tabs—Small Form-Factor Computer
Back to Contents Page Control Panel and Badge Dell™ OptiPlex™ GX50 Systems Removing the Control Panel and Badge Replacing the Control Panel and Badge Removing the Control Panel and Badge Small Form-Factor Desktop Computer 1. Open the computer cover. 2. Using a flat-blade screwdriver, release the tab...
Page 20 - Removing the Control Panel—Small Form-Factor Computer; Removing the Control Panel—Small Desktop Computer
4. To remove the control panel, perform the following steps: Removing the Control Panel—Small Form-Factor Computer a . Remove the metal control-panel shield. b. Remove the screw that holds the control panel to the computer. Small Desktop Computer 1. To remove the badge, open the front USB door. a . ...
Page 21 - Front Bezel Tabs—Small Mini-Tower Computer
b. Using an 8-inch #2 Phillips screwdriver, 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. To remove the badge, open the front USB door. a . From inside the door, push in the two tabs on either side of the ba...
Page 22 - Control-Panel Removal
1 Top panel 2 Bottom panel 3 Front-panel tabs (3) 4 Top -panel tabs (8) d. Close the cover and remove the front bezel. Control-Panel Removal
Page 23 - Replacing the Control Panel and Badge; Replacing the Plastic Computer Cover—Small Form-Factor Computer
e . Remove the screw holding the control panel to the chassis, and pull the panel up and away from the chassis. Replacing the Control Panel and Badge Small Form-Factor Desktop Computer 1. Replace the control panel and the control-panel shield. 2. Replace the plastic computer cover. Make sure that th...
Page 27 - Removing the I/O Panel; I/O Panel Removal—Small Form-Factor Computer
Back to Contents Page I/O Panel Dell™ OptiPlex™ GX50 Systems Removing the I/O Panel Replacing the I/O Panel Removing the I/O Panel Small Form-Factor Desktop Computer 1. To access the screw that holds the I/O panel to the computer, remove the hard drive . I/O Panel Removal—Small Form-Factor Computer ...
Page 28 - I/O Panel Removal—Small Desktop Computer
4. From inside the computer cover, remove the mounting screw that secures the I/O panel to the computer. 5. Remove the I/O panel from the computer. Small Desktop Computer 1. Remove the hard-drive shroud . 2. Disconnect the hard-drive data cable. 3. Disconnect the control-panel cable from the control...
Page 29 - I/O Panel Removal—Small Mini-Tower Computer; Replacing the I/O Panel
Small Mini-Tower Computer I/O Panel Removal—Small Mini-Tower Computer 1 Internal speaker cable 2 Chassis intrusion switch cable 3 Mounting screw 4 Control-panel cable 5 Front audio cable 6 I/O cable 1. Disconnect the control-panel cable from the control-panel connector on the I/O panel. Disconnect t...
Page 31 - Drives; Floppy Drive Removal; Removing the Interposer Board—Small Form-Factor Computer
Back to Contents Page Drives Dell™ OptiPlex™ GX50 Systems Floppy Drive Removal Floppy Drive Replacement CD Drive Removal CD Drive Replacement Hard Drive Removal Hard Drive Replacement Floppy Drive Removal Small Form-Factor Desktop Computer 1. Disconnect the floppy-drive cable from the system board. ...
Page 32 - Removing the Floppy-Drive Cable
1 Floppy-drive cable 2 Tab 3 Interposer board 4 System board floppy-drive connector (DSKT) b. To release the floppy-drive cable from the connector, slide the lever until it is fully extended, and then lift the cable away. Removing the Floppy-Drive Cable
Page 33 - Removing the Floppy Drive—Small Form-Factor Computer
1 Floppy-drive cable 2 Lever 5. Remove the floppy drive from its sled by pulling the sled tab out while pushing the drive up and then sliding the drive out of the sled. Removing the Floppy Drive—Small Form-Factor Computer
Page 34 - Small Desktop and Small Mini-Tower Computers
1 Sled tab 2 Sled Small Desktop and Small Mini-Tower Computers 1. Disconnect the cables from the floppy drive and system board. Small Desktop Computer
Page 36 - Floppy Drive Replacement
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. Small Desktop Computer Small Mini-Tower Computer Floppy Drive Replacement Small Form-Factor Desktop Computer 1. Snap the replacement driv...
Page 37 - Attaching the Floppy-Drive Data Cable; Small Desktop and Mini-Tower Computers
c . Line up the hole on the bottom of the interposer board with the notch on the connector, and snap the interposer board onto the drive. 3. Gently slide the drive into the computer until the tabs securely click into position. Attaching the Floppy-Drive Data Cable 1 Connector notch 2 Interposer boar...
Page 38 - Floppy Drive Bracket Rails
Floppy Drive Bracket Rails 1 Drive 2 Bracket rails (2) 3 Screws (4) 2. Gently slide the drive into place until the tabs securely click into position. 3. Attach the power and data cables to the floppy drive, and connect the other end of the data cable to the connector labeled "DSKT" on the sy...
Page 39 - CD Drive Removal
Small Mini-Tower Computer 1 Power cable 2 Floppy-drive cable 3 Floppy-drive system board connector 4. Check all cable connections, and fold cables out of the way to provide airflow for the fan and cooling vents. 5. Close the computer cover, reconnect your computer and devices to their electrical out...
Page 40 - Removing the CD Drive—Small Form-Factor Computer
1 Interposer board 2. Press inward on the two tabs on the sides of the drive to disengage the drive from the computer. Removing the CD Drive—Small Form-Factor Computer Small Desktop and Small Mini-Tower Computers 1. Remove the data, power, and audio cables from the drive.
Page 41 - Removing Cables—Small Desktop Computer; Removing Cables—Small Mini-Tower Computer
Removing Cables—Small Desktop Computer 1 Power cable 2 Audio cable 3 CD drive cable 4 CD drive connector Removing Cables—Small Mini-Tower Computer
Page 42 - Removing the CD Drive—Small Desktop Computer
1 Power cable 2 Audio cable 3 CD drive cable 4 CD 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. Removing the CD Drive—Small Desktop Computer
Page 43 - Removing the CD Drive—Small Mini-Tower Computer; CD Drive Replacement; CD Drive Bracket Rails
Removing the CD Drive—Small Mini-Tower Computer CD Drive Replacement 1. If you are replacing a drive that 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 s...
Page 44 - Connecting the Interposer Board—Small Form-Factor Computer; Connecting Cables—Small Desktop Computer
2. Connect the interposer board to the CD drive, ensuring that the data, power, and audio cables are attached to the interposer board. Connecting the Interposer Board—Small Form-Factor Computer 1 Interposer board Small Desktop and Small Mini-Tower Computers 1. Gently slide the drive into place until...
Page 46 - Hard Drive Removal; Removing Cables—Small Form-Factor Computer
1 Power cable 2 Audio cable 3 CD drive cable 4 CD 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. 4. If you are installing a drive that has its own controller card, ...
Page 47 - Drive Brackets Rails; Removing the Shroud—Small Desktop Computer
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. Drive Brackets Rails Small Desktop Computer 1. Remove the plastic shroud covering the hard drive by pressing in on the indented tab...
Page 48 - Removing the Hard Drive—Small Desktop Computer
2. Disconnect the power and hard-drive data cables from the drive. Removing Cables—Small Desktop Computer 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. Removing the Hard Drive—Small Desktop Computer
Page 50 - Removing the Hard Drive—Small Mini-Tower Computer
1 Power cable 2 Hard-drive cable 2. Press in on the tabs on each side of the drive and slide it up and out. Removing the Hard Drive—Small Mini-Tower Computer 1 Tabs (2) 2 Hard drive 3. If the replacement drive does not have the bracket rails attached, remove the rails from the old drive by removing ...
Page 51 - Hard Drive Replacement; Connecting Cables—Small Form-Factor Computer
Hard Drive Replacement 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...
Page 53 - Connecting Cables—Small Mini-Tower Computer
Connecting Cables—Small Mini-Tower Computer 1 Power cable 2 IDE cable 3 IDE1 connector 5. 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...
Page 55 - Removing the Expansion-Card Cage; Removing the Expansion-Card Cage; Replacing the Expansion-Card Cage
Back to Contents Page Expansion-Card Cage (Small Desktop Computer Only) Dell™ OptiPlex™ GX50 Systems Removing the Expansion-Card Cage Replacing the Expansion-Card Cage Removing the PCI Riser Board Replacing the PCI Riser Board Removing the Expansion-Card Cage CAUTION: Use a wrist-grounding strap as ...
Page 56 - Replacing the PCI Riser Board
3. Reconnect any cables you removed in steps 1 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. CAUTION: Use a wrist grounding s...
Page 57 - Expansion Card; Removing an Expansion Card
Back to Contents Page Expansion Card Dell™ OptiPlex™ GX50 Systems Removing an Expansion Card Replacing an Expansion Card Your computer provides expansion slots for the following cards: In the small form-factor computer, one low-profile, 32 -bit, 33 -MHz PCI card. In the small desktop computer, up to...
Page 60 - Replacing an Expansion Card; Replacing an Expansion Card—Small Form-Factor Computer
5 Lever Replacing an Expansion Card CAUTION: Use a wrist-grounding strap as explained in " Precautionary Measures ." 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 out...
Page 61 - Expansion Card Connection
1 Card -edge connector 2 Expansion card 3 Riser board 4 Expansion-card connector 5 Expansion-card cage 4. 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 ex...
Page 62 - Replacing an Expansion Card—Small Mini-Tower Computer
1 Bracket within slot 2 Bracket caught outside of slot 3 Fully seated card 4 Not fully seated card Replacing an Expansion Card—Small Mini-Tower Computer 1 Filler bracket 2 Alignment bar 3 Alignment guide 4 Retention arm
Page 64 - Memory; Removing a Memory Module; Removing the Memory Module; Replacing a Memory Module; Replacing a Memory Module
Back to Contents Page Memory Dell™ OptiPlex™ GX50 Systems Removing a Memory Module Replacing a Memory Module Removing a Memory Module CAUTION: Use a wrist-grounding strap as explained in " Precautionary Measures ." 1. Press the securing clips outward simultaneously until the memory module di...
Page 66 - Microprocessor; Removing the Microprocessor and Cooling Fan/Heat-Sink; Airflow Shroud Removal—Small Mini-Tower Computer
Back to Contents Page Microprocessor Dell™ OptiPlex™ GX50 Systems Removing the Microprocessor and Cooling Fan/Heat -Sink Assembly Replacing the Microprocessor and Cooling Fan/Heat -Sink Assembly Removing the Microprocessor and Cooling Fan/Heat-Sink Assembly CAUTION: Use a wrist-grounding strap as ex...
Page 67 - Removing the Securing Clip; Removing the Microprocessor Chip
a . Remove the memory module closest to the heat-sink assembly. b. Pull down on the toggle clip lever until you can unhook the ends of the clip from the tabs on each side of the ZIF socket. c . Remove the clip from the socket, and then lift the heat sink from the microprocessor. Removing the Securin...
Page 68 - Installing the Microprocessor Chip
1 Microprocessor chip 2 Release lever 3 Microprocessor 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 microp...
Page 71 - Power Supply; Removing the Power Supply
Back to Contents Page Power Supply Dell™ OptiPlex™ GX50 Systems Removing the Power Supply Replacing the Power Supply Removing the Power Supply Small Form-Factor Computer 1 Release button 2 AC power connector Small Desktop Computer
Page 73 - Replacing the Power Supply
4 Screws (2) 1. Disconnect the AC power cable from the back of the power supply. 2. Disconnect the DC power cables from the system board and the drives. Note the routing of the DC power cables underneath the clips in the computer as you remove them from the system board and drives. It is important t...
Page 74 - System Board; System Board Components
Back to Contents Page System Board Dell™ OptiPlex™ GX50 Systems System Board Components Removing the System Board Replacing the System Board System Board Components 1 Floppy drive connector 13 Front-panel audio connector 2 Battery 14 Video connector (upper) and audio connectors (lower) 3 EIDE2 conne...
Page 75 - System Board Labels; System Board Jumper
7 Standby power light 19 Parallel port (upper) and serial port (2)(lower) connectors 8 PCI3 connector 20 Fan connector 9 PCI4 connector 21 Microprocessor and heat sink 10 PCI2 connector 22 Memory module (DIMM) connectors 11 PCI1 connector 23 DC power connector 12 CD audio connector 24 System board s...
Page 76 - Removing the System Board
Removing the System Board CAUTION: Before you remove any component from the system board, read the steps in " Precautionary Measures ." NOTE: The system board and metal tray are attached and are removed as one piece. 1. Remove any components that restrict access to the system board. 2. Disco...
Page 77 - Replacing 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. CAUTION: The microprocessor ...