Installing the I/O board right
1. Connect the I/O board connector and slide the I/O board into its slot in the computer.
2. Tighten the screws to secure the I/O board to the computer.
3. Connect the speaker cable to the I/O board.
4. Install the:
a. palmrest
b. keyboard
c. hard drive
d. base cover
e. battery
f. battery cover
g. SD card
5. Follow the procedure in After working inside your computer.
Removing the heat sink assembly
1. Follow the procedure in Before working inside your computer.
2. Remove the:
a. battery cover
b. battery
c. base cover
d. hard drive
e. keyboard
f. palmrest
3. Perform the following steps as shown in the illustration:
a. Disconnect the heat sink fan cables [1, 2] .
b. Loosen the captive screws that secure the heat sink assembly to the computer.
NOTE: Loosen the screws based on the numbering on the heat sink.
c. Lift up and remove the heat sink assembly from the computer [3].
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