Heat Sink Assembly For Discrete Graphics System - HP Dv4 1140go - Pavilion Entertainment - Core 2 Duo GHz Maintenance And Service Manual

Heat sink assembly for discrete graphics system

1. Loosen the four Phillips PM2.0×10.0 captive screws (1) that secure the heat sink assembly to 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.
2. Remove the fan/heat sink assembly (2).
NOTE: Each time the fan and heat sink are removed, the thermal material must be thoroughly cleaned
from the surfaces of the heat sink and system board components: heat sink (1), processor (2), heat
sink (3), Northbridge clip (4), nVidia video chip (5), and capacitors (6). Thermal pads and thermal paste
must be installed on all surfaces before the fan and heat sink are reinstalled. Thermal pads and thermal
paste are included with all fan, heat sink, system board, and processor spare part kits.
Reverse this procedure to install the fan/heat sink assembly.
Due to the adhesive quality of the thermal material located between the fan/heat sink
Component replacement procedures 119