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Heat sink
Description Spare part number
Heat sink 587456-001
The heat sink is secured by four Torx screws. It does not have an attached fan.
1. Prepare the computer for disassembly (
Preparation for Disassembly on page 204).
2. Remove the computer access panel (
Access Panel on page 205).
3. Lift the front fan up and place it on top of the optical drive to access the front bezel release tabs.
You do not need to disconnect the fan cable from the system board.
4. Loosen the four Torx T15 screws that secure the heat sink to the system board, and then lift the
heat sink from the system board.
Figure 9-25 Loosening the heat sink screws
CAUTION: Heat sink retaining screws should be removed in diagonally opposite pairs (as in
an X) to even the downward forces on the processor to avoid damage that could require
replacing the system board.
228 Chapter 9 Removal and Replacement Procedures Ultra-Slim Desktop (USDT) Chassis