5–80
Maintenance and Service Guide
Removal and Replacement Procedures
5.25 Fan/Heat Sink Assembly
✎
When replacing the fan/heat sink assembly, be sure the display
lid switch module is removed from the defective fan/heat sink
assembly and installed on the replacement fan/heat sink
assembly. Refer to
Section 5.22, “Display Lid Switch
Module,”
for display lid switch module removal information.
1. Prepare the computer for disassembly (
Section 5.3
) and
remove the following components:
❏
Hard drive (
Section 5.4
)
❏
Optical drive (
Section 5.9
)
❏
Switch cover (
Section 5.10
)
❏
Keyboard (
Section 5.11
)
❏
Speaker assembly (
Section 5.12
)
❏
Display assembly (
Section 5.14
)
❏
Top cover (
Section 5.15
)
❏
Wireless switch board (
Section 5.16
)
❏
Audio board (
Section 5.17
)
❏
USB/magnetic board (
Section 5.19
)
❏
Top cover support trim (
Section 5.21
)
❏
USB board (
Section 5.23
)
❏
Power connector assembly (
Section 5.23
)
❏
System board (
Section 5.24
)
Fan/Heat Sink Assembly Spare Part Number Information
For use only with computer models using Intel processors
434678-001
For use only with computer models using AMD processors
438606-001
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