HP SignagePlayer mp8000s Maintenance & Service Guide: HP SignagePlayer mp8 - Page 93

Heat sink, Preparation for Disassembly, on Computer Access Panel, Baffle, Front Fan Assembly

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Heat sink The heat sink is secured atop the processor with four captive Torx screws. The heat sink does not include a fan. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 35). 2. Remove the access panel (Computer Access Panel on page 43). 3. Remove the baffle (Baffle on page 77). 4. Remove the chassis fan (Front Fan Assembly on page 78). 5. Loosen the four captive screws that secure the heat sink to the system board tray. CAUTION: Heat sink retaining screws should be removed 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. Lift the heat sink from atop the processor and set it on its side to keep from contaminating the work area with thermal grease. Figure 6-60 Removing the heat sink When reinstalling the heat sink, make sure that its bottom has been cleaned with an alcohol wipe and fresh thermal grease has been applied to the top of the processor. CAUTION: Heat sink retaining screws should be tightened in diagonally opposite pairs (as in an X) to evenly seat the heat sink on the processor to avoid damage that could require replacing the system board. Failure to install the baffle may cause the computer to overheat. Heat sink 83

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Heat sink
The heat sink is secured atop the processor with four captive Torx screws. The heat sink does not
include a fan.
1.
Prepare the computer for disassembly (
Preparation for Disassembly
on page
35
).
2.
Remove the access panel (
Computer Access Panel
on page
43
).
3.
Remove the baffle (
Baffle
on page
77
).
4.
Remove the chassis fan (
Front Fan Assembly
on page
78
).
5.
Loosen the four captive screws that secure the heat sink to the system board tray.
CAUTION:
Heat sink retaining screws should be removed 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.
Lift the heat sink from atop the processor and set it on its side to keep from contaminating the work
area with thermal grease.
Figure 6-60
Removing the heat sink
When reinstalling the heat sink, make sure that its bottom has been cleaned with an alcohol wipe and
fresh thermal grease has been applied to the top of the processor.
CAUTION:
Heat sink retaining screws should be tightened in diagonally opposite pairs (as in an X)
to evenly seat the heat sink on the processor to avoid damage that could require replacing the system
board.
Failure to install the baffle may cause the computer to overheat.
Heat sink
83