Heat Sink - HP Compaq NC4400 Maintenance And Service Manual

Removal and Replacement Procedures

5.11 Heat Sink

Heat Sink Spare Part Number Information
Heat sink (includes thermal paste) 419161-001
1. Prepare the computer for disassembly (Section 5.3).
2. Remove the keyboard cover (Section 5.8).
3. Release the keyboard (Section 5.9).
4. Remove the fan (Section 5.10).
5. Remove the four Phillips PM2.5×7.0 screws that secure the
heat sink to the computer.
Removing the Heat Sink Screws
Maintenance and Service Guide 5–25