HP Pavilion g6-1100 HP Pavilion G6 Notebook PC - Maintenance and Service Guide - Page 84

Heat sink assembly

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Heat sink assembly NOTE: The heat sink assembly includes replacement thermal material. The heat sink fan is available separately, using spare part number 639460-001. Description For use in AMD UMA computer models For use in Intel UMA HM55 computer models For use in Intel discrete HM55 computer models For use in AMD discrete computer models Spare part number 639463-001 637189-001 637190-001 639462-001 Before removing the heat sink assembly, remove the following components: 1. Battery (see Battery on page 44) 2. Service access cover (see Service access cover on page 45) 3. Hard drive (See Hard drive on page 46) 4. Optical drive (see Optical drive on page 48) 5. WLAN module (see WLAN module on page 50) 6. Memory module (see Memory module on page 52) 7. Keyboard (see Keyboard on page 53) 8. Top cover (see Top cover on page 56) 9. USB board (see USB board on page 63) 10. Display assembly (see Display assembly on page 65) 11. Power connector (see Power connector on page 64) 12. System board (see System board on page 72) Remove the heat sink assembly (heat sink appearance may vary): NOTE: Steps 1 through 5 apply only to computer models equipped with Intel processors. 1. Position the system board right-side up, with the front toward you. 2. Disconnect the fan cable from the system board (1). 3. Follow the sequence embossed on heat sink to loosen the seven Phillips 10.0×2.0 captive screws (2) that secure the heat sink assembly to the system board. NOTE: Due to the adhesive quality of the thermal material located between the heat sink assembly and system board components, it might be necessary to move the heat sink assembly from side to side to detach the assembly. 76 Chapter 4 Removal and replacement procedures ENWW

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Heat sink assembly
NOTE:
The heat sink assembly includes replacement thermal material. The heat sink fan is
available separately, using spare part number 639460-001.
Description
Spare part number
For use in AMD UMA computer models
639463-001
For use in Intel UMA HM55 computer models
637189-001
For use in Intel discrete HM55 computer models
637190-001
For use in AMD discrete computer models
639462-001
Before removing the heat sink assembly, remove the following components:
1.
Battery (see
Battery
on page
44
)
2.
Service access cover (see
Service access cover
on page
45
)
3.
Hard drive (See
Hard drive
on page
46
)
4.
Optical drive (see
Optical drive
on page
48
)
5.
WLAN module (see
WLAN module
on page
50
)
6.
Memory module (see
Memory module
on page
52
)
7.
Keyboard (see
Keyboard
on page
53
)
8.
Top cover (see
Top cover
on page
56
)
9.
USB board (see
USB board
on page
63
)
10.
Display assembly (see
Display assembly
on page
65
)
11.
Power connector (see
Power connector
on page
64
)
12.
System board (see
System board
on page
72
)
Remove the heat sink assembly (heat sink appearance may vary):
NOTE:
Steps 1 through 5 apply only to computer models equipped with Intel processors.
1.
Position the system board right-side up, with the front toward you.
2.
Disconnect the fan cable from the system board
(1)
.
3.
Follow the sequence embossed on heat sink to loosen the seven Phillips 10.0×2.0 captive
screws
(2)
that secure the heat sink assembly to the system board.
NOTE:
Due to the adhesive quality of the thermal material located between the heat sink
assembly and system board components, it might be necessary to move the heat sink assembly
from side to side to detach the assembly.
76
Chapter 4
Removal and replacement procedures
ENWW