Back to Contents Page

System Board

Dell™ OptiPlex™ 760 Service Manual

  Removing the System Board

  Replacing the System Board

WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

Removing the System Board

1. Follow the procedures in Working on Your Computer.
   
   
2. Remove the computer cover.
   
   

CAUTION: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the computer. While you work, periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components.

3. Remove any components that restrict access to the system board (optical drive[s], floppy drive, hard drive, hard-drive bracket, I/O panel (as applicable).
   
   

NOTE: If you are using an ultra small form factor computer, you must remove the system board sled and fan (see Removing the System Fans).

4. Remove the processor and heat sink assembly:
   
   
   • Mini tower: see Heat Sink and Processor
     
     
   • Desktop: see Processor
     
     
   • Small form factor: see Heat Sink and Processor
     
     
   • Ultra small form factor: see Heat Sink and Processor
     
     
5. Disconnect all cables from the system board.
   
   
6. Remove the screws from the system board.
   
   
   • Mini tower: see Mini Tower System Board Screws
     
     
   • Desktop: see Desktop System Board Screws
     
     
   • Small form factor: see Small Form Factor System Board Screws
     
     
   • Ultra small form factor: see Ultra Small Form Factor System Board Screws
     
     
7. Slide the system board assembly toward the front of the computer, and then lift the board up and away.
   
   
8. If you are replacing the system board, place the system board assembly that you just removed next to the replacement system board to ensure it is identical.
   
   

Mini Tower System Board Screws

1	screws (9)

Desktop System Board Screws

1	screws (9)

Small Form Factor System Board Screws

1	screws (9)

Ultra Small Form Factor System Board Screws

1	screws (10)

Replacing the System Board

NOTE: The system board is shipped in manufacturing mode. The user or service provider must select the manageability option upon first boot. See Manageability on how to select the manageability mode.

1. Gently align the board into the chassis and slide it toward the back of the computer.
   
   
2. Replace the screws on the system board.
   
   
3. Replace any components and cables that you removed from the system board.
   
   
4. Reconnect all cables to their connectors at the back of the computer.
   
   
5. Replace the computer cover (see Replacing the Computer Cover).
   
   

Back to Contents Page