Manuals

Removing/Replacing Parts: OptiPlex 4xxLe (4XXDL)

Removing/Replacing the Computer Cover | Removing/Replacing Front-Panel Inserts | Removing/Replacing Metal Inserts | Removing/Replacing a Drive in the Drive Cage | Removing/Replacing the Drive Cage | Removing/Replacing a Hard-Disk Drive | Removing/Replacing the Power Supply | Removing/Replacing Expansion Cards | Removing/Replacing the Expansion-Card Cage | Removing/Replacing the ISA Riser Board | Removing/Replacing the VESA� Riser Card | Removing/Replacing the System Board | Removing/Replacing the Microprocessor | Removing/Replacing the System Battery | Removing/Replacing the Control Panel

NOTE: To replace parts, follow the steps below in reverse.

Removing/Replacing the Computer Cover

Removing the computer cover

1. Turn off the power, unlock the computer (if necessary), and unplug the power cable.
   
   
2. Unscrew the 2 cover-mounting screws on the back panel of the computer.
   
   
3. Slide the cover forward until it disengages from the teeth along the sides of the chassis base, and lift the cover straight up and away from the chassis.

Removing/Replacing Front-Panel Inserts

1. Remove the computer cover.
   
   
2. Press against the tab on each side of the insert from the inside of the computer cover until the insert snaps out.

Removing/Replacing Metal Inserts

1. Remove the computer cover.
   
   
2. Remove the front-panel insert.
   
   
3. Pull the right side of the metal insert out, and swing the insert until it disengages from the left side of the drive cage.

Removing/Replacing a Drive in the Drive Cage

1. Remove the computer cover.
   
   
2. Remove the front-panel inserts, if needed.
   
   
3. Squeeze the tabs on each side of the drive, and pull the drive out.

NOTE: When sliding the new drive into its drive bay, make sure that both drive rail tabs snap into place. If they do not, adjust the position of each drive rail by loosening the screws and sliding the drive rail forward or backward as needed.

Removing/Replacing the Drive Cage

1. Remove the computer cover.
   
   
2. Disconnect all cables from the backs of the drives in the drive cage.

NOTE: If the drive cage is being replaced (not reinstalled), remove the drives from the drive bays by squeezing the 2 tabs on each drive and pulling it out.

3. Remove the single screw securing the hard-disk drive bracket to the drive cage.
   
   
4. Remove the 2 screws securing the drive cage to the chassis floor.
   
   
5. Pull the drive cage toward the front of the computer until it is free of the guides on the chassis floor, and lift it out.

Removing/Replacing a Hard-Disk Drive

1. Remove the computer cover.
   
   
2. Disconnect any cables from the back of the drive.
   
   
3. Remove the drive cage.
   
   
4. Turn the drive cage upside down, and remove the 4 screws securing the drive to the hard-disk drive bracket.

Removing/Replacing the Power Supply

1. Remove the computer cover.
   
   
2. Disconnect the DC power cables from the system board, from any drives, and from any expansion cards.
   
   
3. Remove the 4 screws that secure the power supply to the chassis.
   
   
4. Slide the power supply toward the front of the computer, and lift it up and out of the chassis.

Removing/Replacing Expansion Cards

1. Remove the computer cover.
   
   
2. Disconnect any cables from the expansion card. Note the location of the cables in relation to pin 1 before removing the cables.
   
   
3. Remove the retaining screw from the card-mounting bracket, grasp the expansion card by its corners, and carefully pull it out of its expansion-card connector by rocking the card gently.

NOTE: When removing an expansion card permanently, install a metal filler bracket over the empty card-slot opening.

Removing/Replacing the Expansion-Card Cage

1. Remove the computer cover.
   
   
2. Remove any expansion cards (which is not required, but highly suggested).
   
   
3. Remove the screw securing the expansion-card cage to the chassis.
   
   
4. Remove the hard-disk drive.
   
   
5. Remove the screw securing the expansion-card cage to the chassis.
   
   
6. Lift the expansion-card cage up and away from the chassis. The expansion-card cage may have to be rocked gently to disengage it from the plastic guides on the chassis and to remove the ISA riser board from its connector on the system board.

Removing/Replacing the ISA Riser Board

1. Remove the computer cover.
   
   
2. Remove any expansion cards.
   
   
3. Remove the expansion-card cage.
   
   
4. Unscrew the 3 screws securing the ISA riser board to the expansion-card cage, and remove the card, pulling it out from under the mounting tab and mounting guides.

Removing/Replacing the VESA� Riser Card

1. Remove the computer cover.
   
   
2. Remove any expansion cards.
   
   
3. Remove the expansion-card cage.

4. Remove the 2 mounting screws holding the VESA riser card, and pull the card out from under the 2 mounting guides.

NOTE: The VESA riser card can be installed directly on the system board in the VL2 connector.

Removing/Replacing the System Board

1. Remove the computer cover.
   
   
2. Disconnect any cables attached to the I/O port connectors on the back panel.
   
   
3. Disconnect the following cables from the system board:

• Diskette/tape drive interface cable
  
  
• Hard-disk drive interface cable
  
  
• Hard-disk drive access indicator cable
  
  
• DC power cables
  
  
• Control panel cable

4. Remove the hard-disk drive.
   
   
5. Remove any expansion cards.
   
   
6. Remove the expansion-card cage.
   
   
7. Remove the 3 grounding screws, and press down on the plastic catch to release the system board from the chassis floor. Slide the system board down toward the front of the computer, and then pull up to remove the system board.

Removing/Replacing the Microprocessor

1. Remove the computer cover.
   
   
2. Remove any expansion cards.

WARNING: The microprocessor can get extremely hot during intense system operations. Be sure the microprocessor has had sufficient time to cool before touching it.

3. To remove the heat sink, use an extremely small screwdriver to pry up one end of the securing chip. Snap off the clip, and lift off the heat sink and the thin graphite pad lying underneath it.
   
   
4. Remove the microprocessor chip from the LIF socket. Be careful not to bend any of the pins when doing so.

Removing/Replacing the System Battery

NOTE: Make a copy of the system configuration information before performing the following steps:

1. Remove the computer cover.
   
   
2. Remove the hard-disk drive.
   
   
3. Pry the old battery out of the B2 socket with the fingers or with a blunt, nonconductive object.
   
   
4. Orient the battery with the side labeled "+" facing up. Then insert the battery into the socket, and snap it into place.
   
   
5. Enter the System Setup program, and confirm that the battery is operating properly.

Removing/Replacing the Control Panel

1. Remove the computer cover.
   
   
2. Disconnect the control panel cable from the PANEL connector on the system board.
   
   
3. Remove the single screw securing the control panel to the bracket. Lift the control panel away from the bracket.

NOTE: When reinstalling the control panel, remember to align the notches in the control panel with the tabs on the bracket's inside surface.