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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
Before removing the heat sink assembly, remove the following components:
1.
Battery (see
2.
Service access cover (see
3.
Hard drive (See
4.
Optical drive (see
5.
WLAN module (see
6.
Memory module (see
7.
Keyboard (see
8.
Top cover (see
9.
USB board (see
10.
Display assembly (see
11.
Power connector (see
12.
System board (see
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:
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
Battery on page
44)
Service access cover on page
Hard drive on page
Optical drive on page
WLAN module on page
Memory module on page
Keyboard on page
Top cover on page
USB board on page
Display assembly on page
Power connector on page
System board on page
Due to the adhesive quality of the thermal material located between the heat sink
46)
48)
50)
52)
53)
56)
63)
65)
64)
72)
Spare part number
639463-001
637189-001
637190-001
639462-001
45)
ENWW
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