System board, Removing the system board, Mini tower system board screws – Dell OptiPlex 760 User Manual
Page 145
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System Board
Dell™ OptiPlex™ 760 Service Manual
Removing the System Board
1.
Follow the procedures in
Working on Your Computer
.
2.
Remove the computer cover.
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).
4.
Remove the processor and heat sink assembly:
l
Mini tower: see
Heat Sink and Processor
l
Desktop: see
Processor
l
Small form factor: see
Heat Sink and Processor
l
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.
l
Mini Tower System Board Screws
l
Desktop: see
l
Small form factor: see
Small Form Factor System Board Screws
l
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
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.
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.
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
).