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Heat sinks – Graphics board and processor
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.
Model 8300 may include a fan attached to the heat sink.
Figure 6-49 Heat sink locations
Graphics heat sink
To remove the heat sink:
1. Prepare the computer for disassembly (see
Preparing to disassemble the computer on page 27).
2. Remove the center access panel (see
Access panel on page 34).
3. Remove the black Torx screw from the top of the heat sink (1).
Heat sinks – Graphics board and processor 63