
Removal and replacement procedures
Maintenance and Service Guide 4–53
Remove the fan/heat sink:
1. Turn the system board upside down, with the front toward you.
✎
Steps two through four apply to computer models equipped with graphics subsystems with discrete memory. Steps 
five and six apply to computer models equipped with graphics subsystems with UMA memory.
2. Disconnect the fan cable 1.
3. Loosen the four captive Phillips PM2.0×10.0 screws 2 that secure the fan/heat sink assembly to the 
system board.
4. Remove the fan/heat sink assembly 3.
✎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.