Heat sink
The processor heat sink is secured with five Torx screws – four captured, one shared, not captured.
To remove the heat sink:
1. Prepare the computer for disassembly (see
Preparing to disassemble the computer on page 27).
2. Remove the access panel (see
Access panel on page 33).
3. In the order indicated on the heat sink, loosen the four silver captive Torx screws (1) – (4).
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.
4. If still installed, remove the Torx screw on the left part of the heat sink (5).
ENWW Heat sink 51
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