A SERVICE OF

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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 heat sink and fan assembly. See “Replacing the heat sink and fan
assembly” on page 140.
15. Reinstall the hard disk drive. See “Replacing the hard disk drive” on page
148.
16. Reconnect the heat sink and fan assembly cable to the microprocessor fan
connector on the system board.
17. Go to “Completing the FRU replacement” on page 158.
Chapter 9. Replacing FRUs - Desktop computers 145