Heat sink
To remove the heat sink:
1. Prepare the computer for disassembly (see Preparing to disassemble the computer on page 18).
2. Remove the rear port cover (see Removing the rear port cover on page 18).
3. Remove the stand (see Stands on page 19).
4. Remove the access panel (see Access panel on page 20).
5.
In the order indicated on the heat sink, loosen the silver captive Torx screws (2).
In the order indicated on the heat sink, loosen the captive Torx screws (1) from the heat sink component
that services the processor.
CAUTION: Remove heat sink retaining screws in diagonally opposite pairs (as in an X) to even the
downward forces on 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.
6. Remove the non-captive Torx screws from the brackets at the top of the heat sink (2).
7. Lift the heat sink out of the computer (3).
CAUTION: To reduce a degradation in thermal performance, be sure not to touch the thermal grease
on the surface of the processor or the heat sink.
To replace the heat sink, reverse the removal procedures.
Heat sink 33
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