![](/images/new-backgrounds/1153254/153254163x1.webp)
Thermal pads and thermal paste must be installed on all surfaces before the fan/heat sink assembly is reinstalled.
NOTE: Thermal pads and thermal paste are included with all fan/heat sink assembly, system board, and processor spare part kits.
For computer models with the Intel processor, thoroughly clean the thermal material from the surface of the fan/heat sink assembly (1) and (3), and the Northbridge chip (2) and processor (4), each time the fan/heat sink assembly is removed.
Thermal pads and thermal paste must be installed on all surfaces before the fan/heat sink assembly is reinstalled.
NOTE: Thermal pads and thermal paste are included with all fan/heat sink assembly, system board, and processor spare part kits.
Reverse this procedure to install the fan/heat sink assembly.
74 Chapter 4 Removal and replacement procedures