Fan/heat sink assembly
NOTE: The fan/heat sink assembly includes replacement thermal material.
Description Spare part number
For use in AMD A50M UMA computer models 657145-001
Thermal material 634366-001
Before removing the fan/heat sink assembly, remove the following components:
1. Battery (see
Battery on page 30)
2. Service door (see
Service door on page 31)
3. Hard drive (see
Hard drive on page 32)
4. Optical drive (see
Optical drive on page 34)
5. WLAN module (see
WLAN module on page 36)
6. Memory module (see
Memory module on page 37)
7. Keyboard (see
Keyboard on page 39)
8. Top cover (see
Top cover on page 41)
9. USB board (see
USB board on page 47)
10. Display assembly (see
Display assembly on page 50)
11. Power connector (see
Power connector on page 49)
12. System board (see
System board on page 57)
Remove the fan/heat assembly (fan/heat sink appearance may vary):
NOTE: Steps 1 through 5 apply only to computer models equipped with Intel processors.
1. Turn the system board right-side up, with the front toward you.
2. Disconnect the fan cable from the system board (1).
3. Remove the Phillips 3.0 x 2.0 screw (2) that secures the fan/heat sink assembly to the system
board.
4. Follow the sequence embossed on heat sink to loosen the five Phillips 10.0 x 2.0 captive screws
(3) 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 might be necessary to move the fan/heat sink
assembly from side to side to detach the assembly.
60 Chapter 4 Removal and replacement procedures
