Lenovo ThinkCentre 7515 Maintenance Manual page 108

Figure 17. Removing the microprocessor
10. Remove the protective cover 2 that protects the gold contacts on the new
11. Hold the new microprocessor and align the notches on it with the tabs in the
12. Lower the new microprocessor straight down into the microprocessor socket
13. Close the microprocessor retainer and lock it into position with the small
14. Reinstall the heat sink and fan assembly. See "Replacing the heat sink and fan
15. Reconnect the heat sink and fan assembly cable to the microprocessor fan
16. Reinstall any other parts or reconnect any other cables you removed.
17. Go to "Completing the FRU replacement" on page 120.
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Hardware Maintenance Manual
c. Touch only the sides of the microprocessor. Do not touch the gold contacts
on the bottom.
d. Do not drop anything onto the microprocessor socket while it is exposed.
The socket pins must be kept as clean as possible.
9. Make sure that the small handle is in the raised position and the
microprocessor retainer is fully open.
microprocessor 1 .
microprocessor socket, or align the small triangle on one corner with the
corresponding beveled corner of the microprocessor socket.
on the system board.
handle to secure the new microprocessor in the socket.
assembly" on page 98.
connector on the system board.