HP Pavilion dm4 Entertainment PC Maintenance And Service Manual page 81

NOTE:
board. Steps 5 through 7 apply to computers with UMA subsystem memory.
1. Turn the system board upside down.
2. Disconnect the fan cable from the system board.
3. Follow the sequence embossed on heat sink to loosen the six Phillips M2.5×7.0 captive screws
(1) that secure the fan/heat sink assembly to the system board.
NOTE:
assembly and system board components, it may be necessary to move the fan/heat sink
assembly from side to side to detach the assembly.
Downloaded from LpManual.com Manuals
Steps 1 through 4 apply to computers with discrete subsystem memory on the system
Due to the adhesive quality of the thermal material located between the fan/heat sink
Component replacement procedures 73