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5–66
Maintenance and Service Guide
Removal and Replacement Procedures
5.21 Fan/Heat Sink Assembly
✎
When replacing the fan/heat sink assembly, be sure the power
button board is removed from the defective fan/heat sink
assembly and installed on the replacement fan/heat sink
assembly. Refer to
Section 5.13, “Power Button Board,”
for
power button board removal information.
1. Prepare the computer for disassembly (
remove the following components:
❏
Hard drive (
❏
Optical drive (
)
❏
Switch cover (
❏
Keyboard (
❏
Speaker assembly (
❏
Display assembly (
)
Fan/Heat Sink Assembly Spare Part Number Information
For use only with full-featured computer models using
Intel processors
For use only with defeatured computer models using
Intel processors
434985-001
434986-001
For use only with full-featured computer models using
AMD processors
For use only with defeatured computer models using
AMD processors
431449-001
431448-001
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