5–74 Maintenance and Service Guide
Removal and Replacement Procedures
✎
The following note applies only to computer models using 
Intel processors:
The thermal pads should be thoroughly cleaned from the surfaces 
of the fan/heat sink assembly 1 and 3, video memory chip 2, 
and processor 4 each time the fan/heat sink assembly is removed. 
Thermal pads should be installed on all surfaces before the 
fan/heat sink assembly is reinstalled. Thermal pads are included 
with all fan/heat sink assembly, system board, and processor 
spare part kits.
Replacing the Thermal Pads