Lenovo ThinkCentre A85 Hardware Maintenance Manual page 145

21. Go to "Completing the parts replacement" on page 138.
The failing system board must be returned with a microprocessor socket cover to protect the pins during
shipping and handling.
To install the microprocessor socket cover, do the following:
1. Release the lever securing the microprocessor retainer and open the retainer to access the
microprocessor.
2. Grasp the microprocessor on the sides and lift it straight up and out of the socket. Do not touch the
contacts on the microprocessor socket.
3. Note the orientation of the socket cover. Align the notches
the alignment keys
4. Install one side of the socket cover into the microprocessor socket as shown.
Figure 76. Installing the socket cover
Note: Your microprocessor socket and cover might look slightly different from the illustration.
5. Carefully press the other side of the socket cover downwards until the socket cover snaps into place.
Figure 77. Securing the socket cover
2 of the microprocessor socket.
Chapter 9
1
of the microprocessor socket cover with
.
Installing or replacing hardware: 0104, 0154, 7539, and 7548
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