Lenovo 7522D6U User Manual page 41

10. Remove the protective cover 2 that protects the gold contacts on the new
microprocessor 1 .
11. 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.
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 hard disk drive. See "Replacing the hard disk drive" on page 21.
15. Reinstall the heat sink and fan assembly. See "Replacing the heat sink and fan
assembly" on page 29.
16. Reconnect the heat sink and fan assembly cable to the microprocessor fan
connector on the system board.
17. Go to "Completing the parts replacement" on page 35.
Chapter 2. Installing options and replacing hardware
33