Lenovo ThinkCentre 7258 User Manual page 143

8. Remove the protective cover 2 that protects the gold contacts on the new
microprocessor 1 .
9. Hold the new microprocessor and align the notches on it with the tabs in the
microprocessor socket, or align the small triangle on one corner with the
corresponding beveled corner of the microprocessor socket.
10. Lower the new microprocessor straight down into the microprocessor socket
on the system board.
11. Close the microprocessor retainer and lock it into position with the small
handle to secure the new microprocessor in the socket.
12. Reinstall the heat sink and fan assembly. See "Replacing the heat sink and fan
assembly" on page 92.
13. Reinstall any other parts or reconnect any other cables you removed.
14. Go to "Completing the FRU replacement" on page 151.
Chapter 9. Replacing FRUs - 607 computers
137