Remove the fan/heat assembly (fan/heat sink appearance may vary):
1.
Turn the system board upside down.
2.
Disconnect the fan cable
(1)
from the system board.
3.
Follow the sequence embossed on heat sink to loosen the four Phillips PM2.5×7.0 captive screws
(2)
that secure the fan/heat sink assembly to 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.
4.
Remove the fan/heat sink assembly
(3)
.
The thermal material must be thoroughly cleaned from the surface of the fan/heat sink assembly
(1)
,
(3)
and the processor
(2)
and video components
(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.
The following illustration shows the locations for thermal material on systems with discrete graphics
subsystems.
88
Chapter 4 Removal and replacement procedures
Содержание COMPAQ PRESARIO G42
Страница 4: ...iv Safety warning notice ...
Страница 76: ...Reverse the above procedure to install the Bluetooth module 68 Chapter 4 Removal and replacement procedures ...
Страница 78: ...Reverse this procedure to install the USB board 70 Chapter 4 Removal and replacement procedures ...
Страница 80: ...Reverse this procedure to install the power connector cable 72 Chapter 4 Removal and replacement procedures ...
Страница 130: ...Universal Serial Bus Pin Signal 1 5 VDC 2 Data 3 Data 4 Ground 122 Chapter 8 Connector pin assignments ...
Страница 143: ......