Hp DC7800 Bedienungsanleitung PDF herunterladen (Seite 104)

Heatsink

1. Prepare the computer for disassembly (Preparation for Disassembly on page 60).

2. Remove the computer access panel (

Computer Access Panel on page 64).

3. Unscrew the four captive screws (1) that secure the heatsink to the system board.

CAUTION: Heatsink 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.

4. Remove the heatsink (2) from the processor.

When reinstalling the heatsink, 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: Heatsink retaining screws should be tightened in diagonally opposite pairs (as in an X) to

evenly seat the heatsink 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.

92 Chapter 7 Removal and Replacement Procedures Convertible Minitower (CMT) Chassis

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Hp DC7800 Bedienungsanleitung Seite 104