Fan Sink - HP EliteDesk 800 G4 SFF Maintenance And Service Manual
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Also See for EliteDesk 800 G4 SFF:
- Disassembly instructions manual (10 pages) ,
- Maintenance and service manual (147 pages)
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Fan sink
CAUTION:
If the computer will power on, before removing the fan sink, turn on the computer until it warms the fan sink.
Warming the heat sink lessens the bond between the fan sink and the processor, thereby making separating
them easier.
Make sure not to pull the processor out of the socket when you lift the fan sink, especially if you cannot warm
the fan sink prior to removal. Inadvertently removing the processor can damage the pins.
Fan sinks are available for models that use up to a 65 W processor and models that use a 95 W processor.
The fan sink is secured atop the processor with four captive Torx screws.
1.
Prepare the computer for disassembly
2.
Remove the access panel
3.
Remove the air duct
4.
Disconnect the fan cable from the system board connector labeled CPUFAN (1), and then loosen the four
captive screws (2) that secure the fan sink to the system board tray.
CAUTION:
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 4 Removal and replacement procedures
The bond between the fan sink and the processor may be very tight.
(Access panel on page
(Air duct on page
Fan sink retaining screws should be removed in diagonally opposite pairs (as in an X) to even
(Preparation for disassembly on page
18).
51).
17).
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