9.Lift the heat sink from the processor and set it on its side to keep from contaminating the work area with thermal grease.
CAUTION: Heat sink retaining screws should be tightened in diagonally opposite pairs (as in an X) to evenly seat the heat sink to the processor. This is especially important as the pins on the socket are very fragile and any damage to them may require replacing the system board.
Processor
The computer may use an Intel or an AMD processor. Removal and replacement procedures vary depending on processor type.
1.Prepare the computer for disassembly (Preparation for Disassembly on page 42).
2.Remove the access panel (Access Panel on page 43).
3.Lay the computer on its side with the rear facing toward you.
4.Disconnect the heat sink control cable from the system board and remove the heatsink Heat sink assembly on page 75).
5.If the computer has an Intel processor, go to steps 7 – 9.
6.If the computer has an AMD processor, go to steps 10 – 11.
7.Rotate the locking lever to its full open position (1).
8.Raise and rotate the microprocessor retainer to its full open position (2).
Processor 123