HP Pavilion dv7-4200 HP Pavilion dv7 Entertainment PC - Maintenance and Servic - Page 102

and the processor

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6. Remove the fan/heat sink assembly (2). Disconnect the fan cable (3) from the system board. NOTE: Due to the adhesive quality of the thermal material located between the fan/heat sink assembly and system board components, it may be necessary to move the fan/heat sink assembly from side to side to detach the assembly. The thermal material must be thoroughly cleaned from the surfaces of the fan/heat sink assembly and the system board each time the fan/heat sink assembly is removed. Thermal paste is used on the heat sink (1) and the processor (2). Thermal pads are used on the Northbridge contact (3) and Northbridge chip (4). Reverse this procedure to install the fan/heat sink assembly. 92 Chapter 4 Removal and replacement procedures ENWW

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6.
Remove the fan/heat sink assembly
(2)
. Disconnect the fan cable
(3)
from the system board.
NOTE:
Due to the adhesive quality of the thermal material located between the fan/heat sink
assembly and system board components, it may be necessary to move the fan/heat sink assembly
from side to side to detach the assembly.
The thermal material must be thoroughly cleaned from the surfaces of the fan/heat sink assembly
and the system board each time the fan/heat sink assembly is removed. Thermal paste is used on
the heat sink
(1)
and the processor
(2)
. Thermal pads are used on the Northbridge contact
(3)
and Northbridge chip
(4)
.
Reverse this procedure to install the fan/heat sink assembly.
92
Chapter 4
Removal and replacement procedures
ENWW