Replacing The System Board - Lenovo ThinkCentre A61 Hardware Maintenance Manual

Replacing the system board

This section provides instructions on how to replace the system board.
CAUTION:
The heat sink and microprocessor might be very hot. Turn off the computer and
wait three to five minutes to let the computer cool before removing the
computer cover.
Note: When replacing the system board you must also order a new retention
To replace the system board:
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Hardware Maintenance Manual
Attention
Do not open your computer or attempt any repair before reading and understanding the
"Important safety information" in the ThinkCentre Safety and Warranty Guide that came with
your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to:
http://www.lenovo.com/support
module for the new system board. Make sure you have a retention module
for the new system board before continuing with this procedure.
1. Remove the side cover. See "Removing the computer cover" on page 87.
2. Place the computer on its right side to help make the system board more
accessible.
3. Remove any PCI adapter cards installed. "Replacing a PCI adapter card" on
page 100
4. Disconnect the signal and power cables from the hard disk drive.
5. Press the release tab 1 down, slide the hard drive cage 2 back, and pivot
the hard disk drive outward as shown.