Heat sink
Heat sink appearance varies based on processor type and graphics memory.
To remove the heat sink:
1.
Prepare the computer for disassembly (see
Preparing to disassemble the computer on page 17
).
2.
Remove the base unit rear and front access panels (see
Base unit access covers on page 18
).
3.
Remove the fans (see
4.
On the middle, square part of the heat sink, loosen the captive Torx screws in the order indicated on the
heat sink (1).
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.
5.
Loosen the captive Torx screws on each end of the heat sink (2)
6.
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
37
