Replacing The Cpu Heatsink - HP xw6400 Service And Technical Reference Manual

3. Disconnect the CPU heatsink fan connector 3 from the system board.
4. Before lifting the heatsink, carefully break the adhesive compound between the CPU heatsink and
processor by rotating the heatsink back and forth. Then, lift the CPU heatsink.
Figure 4-45
5. Use alcohol and a soft cloth to clean all of the thermal interface material residue from the CPU
heatsink and processor.
CAUTION

Replacing the CPU heatsink

1. Disconnect power from the system
access panel
heatsink on page
2. Use alcohol and a soft cloth to clean all of the thermal interface material residue from the CPU
heatsink and processor.
CAUTION
3. Apply the thermal grease to center of the processor.
92 Chapter 4 Removal and replacement procedures
Removing the CPU heatsink from the system board
Allow the alcohol on the processor and CPU heatsink to dry completely.
(Predisassembly procedures on page
(Side access panel on page
91).
Allow the alcohol on the processor and CPU heatsink to dry completely.
63) and the CPU heatsink
57). Remove the side
(Removing the CPU
ENWW