Heatsink - Compaq dx2390 - Microtower PC Service & Reference Manual

Heatsink

WARNING!
disconnect the power cord from the wall outlet and allow the internal system components to cool before
touching.
You will need a screwdriver with a narrow shaft to loosen the heatsink screws.
1. Prepare the computer for disassembly
2. Remove the computer access panel
3. Unplug the fan cable from the system board (CPU FAN1).
4. Using a screwdriver with a narrow shaft, loosen the four silver T15 captive screws that secure the
heatsink to the system board.
NOTE:
remove the fan on top of the heatsink to gain access to this screw. To remove the fan, pull back
on the four clips that secure the fan to the heatsink and loosen the fan from the clip.
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.
5. Remove the heatsink 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:
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.
To reduce the risk of personal injury from electrical shock and/or hot surfaces, be sure to
The screw closest to the side of the chassis may be difficult to access. You may need to
Heatsink retaining screws should be removed in diagonally opposite pairs (as in an
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
26).
30).
Heatsink 59