Lenovo ThinkCentre A70 Hardware Maintenance Manual page 91

Figure 21. Removing the microprocessor
9. Make sure that the small handle is in the raised position.
10. Remove the new microprocessor
bottom of the new microprocessor.
11. Hold the new microprocessor by the edges and align the notches on it with the tabs in the
microprocessor socket, or align the small triangle on one corner of the microprocessor with the
corresponding beveled corner of the microprocessor socket.
12. Lower the new microprocessor straight down into the microprocessor socket on the system board.
13. Close the microprocessor retainer and lock it into position with the small handle to secure the new
microprocessor in the socket.
14. Reinstall the heat sink and fan assembly. See "Replacing the heat sink and fan assembly" on page 81.
15. Reinstall any parts and reconnect any cables that have been removed or disconnected.
16. To complete the replacement, go to "Completing the parts replacement" on page 94.
1 from the protective cover
.
Chapter 8 Replacing FRUs (Machine Types: 0864, 7099, and 7846.)
2 that protects the gold contacts on the
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