Heatsink - HP dc7900 - Convertible Minitower PC Service & Reference Manual

Heatsink

1. Prepare the computer for disassembly
2. Remove the computer access panel
3. Unscrew the four captive screws that secure the heatsink to the system board.
CAUTION:
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. Lift the heatsink from the processor.
Figure 7-48
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:
evenly seat the heatsink on the processor. Failure to do so could result in damage that requires replacing
the system board.
104 Chapter 7 Removal and Replacement Procedures Convertible Minitower (CMT) Chassis
Heatsink retaining screws should be removed in diagonally opposite pairs (as in an
Removing the heatsink
Heatsink retaining screws should be tightened in diagonally opposite pairs (as in an X) to
(Preparation for Disassembly on page
(Computer Access Panel on page
63).
70).