Heat sink – Graphics board and processor
Description Spare part number
Heat sink for use with graphics board 733488-001
Heat sink for use with processor 733487-001
Separate heat sinks cool the discrete graphic board (select models only) and the processor. If installed,
you must remove the smaller graphics heat sink before you can remove the larger processor heat sink.
The graphics heat sink is secured with three Torx screws – two captured, one not captured. The heat
sinks share the one non-captured screw.
The processor heat sink is secured with five Torx screws – four captured, one shared, not captured.
Graphics heat sink
To remove the heat sink:
1. Prepare the computer for disassembly (see
Preparing to disassemble the computer on page 34).
2. Remove the access panel (see
Access panel on page 40).
3. Remove the black Torx screw from the top of the heat sink (1).
62 Chapter 5 Removal and Replacement Procedures All-in One (AIO) Chassis
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