5–48 Maintenance and Service Guide
Removal and Replacement Procedures
5.17 Fan/Heat Sink Assembly
1. Prepare the computer for disassembly (Section 5.3)
and remove the following components:
❏ Optical drive (Section 5.8)
❏ Switch cover (Section 5.9)
❏ Keyboard (Section 5.10)
❏ Display assembly (Section 5.11)
❏ Base enclosure (Section 5.12)
2. Turn the computer upside down with the front toward you.
Fan/Heat Sink Assembly Spare Part Number Information
Fan/heat sink assembly (includes thermal pad) 412397-001