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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 AMD discrete computer models 639462-001
For use in AMD BGA UMA computer models 649952-001
For use in AMD A60M discrete computer models 649953-001
For use in AMD A60M UMA computer models 649954-001
For use in Intel HM55 UMA computer models 637189-001
For use in Intel HM55 discrete computer models 637190-001
For use in Intel HM65 UMA computer models 641140-001
For use in Intel HM65 discrete computer models 641141-001
For use in Intel BGA discrete computer models 654119-001
For use in Intel BGA UMA computer models 654120-001
Before removing the heat sink assembly, remove the following components:
1. Battery (see
Battery on page 48)
2. Service door (see
Service door on page 49)
3. Hard drive (see
Hard drive on page 50)
4. Optical drive (see
Optical drive on page 52)
5. WLAN module (see
WLAN module on page 54)
6. Memory module (see
Memory module on page 56)
7. Keyboard (see
Keyboard on page 57)
8. Top cover (see
Top cover on page 60)
9. USB board (see
USB board on page 69)
10. Display assembly (see
Display assembly on page 71)
11. Power connector (see
Power connector on page 70)
12. System board (see
System board on page 78)
Remove the heat sink assembly (heat sink appearance may vary):
84 Chapter 4 Removal and replacement procedures