4. Follow the procedures in After working inside your computer.
Heat sink
Removing heat sink assembly
Heat sink assembly consists of heat sink and the system fan.
1. Follow the procedure in Before working inside your computer.
2. Remove the base cover.
3. Connect the battery cable to the connector on the system board.
4. To remove the heat sink assembly:
NOTE: To identify the number of screws, see the screw list.
a. Remove the 2 (M2.0 x 5.0) screws that secure the system fan and the 4 (M2.0 x 3.0) that secures the heat sink
assembly to the system board [2].
NOTE: Remove the screws in the order of the callout numbers [1, 2, 3, 4] as indicated on the heat sink.
b. Lift and flip over the heat sink assembly from the system board.
c. Disconnect the fan cable from the system board [1].
d. Separate the heat sink assembly from the system.
Installing heat sink assembly
Heat sink assembly consists of heat sink and the system fan.
1. Align the heat sink assembly with screw holders on the system board.
2. Connect the fan cable to the connector on the system board.
3. Replace the M2.0 x 3.0 screws to secure the heat sink assembly to the system board.
24 Removing and installing components
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