HP (Hewlett-Packard) C5J37AWABA ユーザーズマニュアル

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4.
Loosen the two silver captive Torx screws on the heat sink (2), and then lift the heat sink out of
the computer (3).
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.
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.
Figure 6-50
  Removing the graphics heat sink
To replace the heat sink, reverse the removal procedures.
Processor heat sink – model 6300
To remove the heat sink:
1.
Prepare the computer for disassembly (see 
2.
Remove the center access panel (see 
3.
If installed, remove the graphics heat sink (see 
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Chapter 6   Removal and Replacement Procedures All-in One (AIO) Chassis