Removal and replacement procedures
Maintenance and Service Guide 4–39
Remove the fan/heat sink assembly:
✎
Due to the adhesive quality of the thermal material located between the fan/heat sink assembly and system board
components, you may need to move the fan/heat sink assembly from side to side to detach the assembly.
Ä
CAUTION: To avoid damage to the processor, loosen the fan/heat sink assembly screws in the sequence indicated on the heat
sink assembly. Likewise, tighten the screws in the same sequence when installing the fan/heat sink assembly.
✎
Steps 1 through 4 apply only to computer models equipped with graphics subsystems having UMA memory.
1. Turn the system board right-side up, with the front toward you.
2. Disconnect the fan cable 1 from the system board.
3. Following the 1, 2, 3 sequence stamped into the fan/heat sink assembly, loosen the 3 Phillips PM2.5×6.0
spring-loaded captive screws 2 that secure the fan/heat sink assembly.
4. Remove the fan/heat sink assembly 3 by lifting it straight up.
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