Processor - HP Compaq nc4000 Series Maintenance And Service Manual

Removal and Replacement Procedures
✎
Each time the heat sink is removed, any thermal grease residue
should be carefully cleaned from the heat sink 1 and processor
surfaces 2, and new thermal grease should be applied to both
surfaces.
Removing the Thermal Grease From the Heat Sink and Processor
Reverse the above procedure to install the heat sink and fan.

5.11 Processor

Intel Pentium-M 1.6 GHz
Intel Pentium-M 1.5 GHz
Intel Pentium-M 1.4 GHz
Intel Pentium-M 1.3 GHz
1. Prepare the notebook for disassembly (Section 5.3).
2. Remove the LED switch cover (Section 5.7).
3. Remove the keyboard (Section 5.8).
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Processor
Spare Part Number Information
Maintenance and Service Guide
319777-001
319776-001
319775-001
319774-001