Compaq Pro 4300 Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 61

Heat Sink (Thermal Module

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Heat Sink (Thermal Module) The heat sink is secured with five Torx screws - four captured, one not captured. Figure 6-32 Heat sink location To remove the heat sink: 1. Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 33). 2. Remove the center access panel (see Hinge Cover Panel on page 34). 3. Remove the memory access panel (see Memory Access Panel on page 36). 4. Remove the drive access panel (see Drive Access Panel on page 38). 5. Remove the stand (see Stand on page 61). 6. Remove the heat sink cover (see Heat Sink Cover on page 52). 7. Loosen the four silver captive Torx screws 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. 54 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis

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Heat Sink (Thermal Module)
The heat sink is secured with five Torx screws – four captured, one not captured.
Figure 6-32
Heat sink location
To remove the heat sink:
1.
Prepare the computer for disassembly (see
Preparing to Disassemble the Computer
on page
33
).
2.
Remove the center access panel (see
Hinge Cover Panel
on page
34
).
3.
Remove the memory access panel (see
Memory Access Panel
on page
36
).
4.
Remove the drive access panel (see
Drive Access Panel
on page
38
).
5.
Remove the stand (see
Stand
on page
61
).
6.
Remove the heat sink cover (see
Heat Sink Cover
on page
52
).
7.
Loosen the four silver captive Torx screws 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.
54
Chapter 6
Removal and Replacement Procedures All-in One (AIO) Chassis