Replacing the microprocessor
This procedure describes how to remove and replace the microprocessor. The procedure varies depending
upon the machine type.
Important
The heat sink and microprocessor might be very hot. Make sure these components are cool enough to safely
handle before continuing this procedure.
1. Remove the side cover. See “Removing the cover” on page 93.
2. Place the computer on its right side to help make the microprocessor more accessible.
3. Disconnect the heat sink and fan assembly cable from the system board. See the system board
illustration for your machine type at “System board connectors” on page 92.
4. Remove the four screws
1
securing the heat sink and fan assembly to the system board.
5. Lift the heat sink and fan assembly off the failing system board. Place the heat sink on its side so that the
thermal grease does not come in contact with anything.
6. To remove the microprocessor
2
from the system board, lift the small handle
3
and open the retainer
1
.
100
ThinkCentre Hardware Maintenance Manual
Summary of Contents for ThinkCentre A57
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