Heat sink
Description Spare part number
Heat sink 645326-001
The heat sink is secured atop the processor with four captive Torx screws. The heat sink does not
include a fan.
1. Prepare the computer for disassembly (
Preparation for Disassembly on page 163).
2. Remove the access panel (
Access Panel on page 164).
3. Remove the fan duct (
Fan duct on page 190).
4. Remove the front fan (
Front Fan Assembly on page 191).
Heat sink 197