5–78 Maintenance and Service Guide
Removal and Replacement Procedures
5.25 Fan/Heat Sink Assembly
1. Prepare the computer for disassembly (Section 5.3) and
remove the following components:
❏ Hard drive (Section 5.4)
❏ Optical drive (Section 5.9)
❏ Keyboard (Section 5.10)
❏ Switch cover (Section 5.11)
❏ Display assembly (Section 5.12)
❏ Top cover (Section 5.13)
❏ System board (Section 5.22)
2. Turn the computer upside down with the front toward you.
Fan/Heat Sink Assembly Spare Part Number Information
For use with computer models using Intel processors:
■ For use on UMA system boards
■ For use on discrete system boards
430463-001
417081-001
For use with computer models using AMD processors 431851-001
