HP Dv7-2040us - Pavilion Entertainment - Core 2 Quad GHz Maintenance And Service Manual page 102

7. Loosen the four Phillips PM2.5x6.0 captive screws (2) that secure the fan/heat sink assembly to
the system board.
8. Remove the fan/heat sink assembly (3) from the system board.
NOTE:
assembly and system board components, it may be necessary to move the fan/heat sink assembly
from side to side to detach the assembly.
NOTE:
assembly and the system board each time the fan/heat sink assembly is removed. Thermal paste
is used on the processor (1) and the heat sink section (4) that services it. Thermal pads are used
on the Northbridge chip (2) and Northbridge contact (4), the graphics subsystem chip (3) and
graphics/heat sink contact (4). Replacement thermal material is included with all fan/heat sink
assembly, system board, and processor spare part kits.
Reverse this procedure to install the fan/heat sink assembly.
94 Chapter 4 Removal and replacement procedures
Due to the adhesive quality of the thermal material located between the fan/heat sink
The thermal material must be thoroughly cleaned from the surfaces of the fan/heat sink