e. hard drive
f. battery
g. base cover
4. Follow the procedures in After Working Inside Your computer.
Removing the I/O Board
1. Follow the procedures in Before Working Inside Your Computer.
2. Remove:
a. base cover
b. battery
c. hard drive
d. WLAN card
e. system fan
f. keyboard
g. back cover
3. Perform the following steps as shown in the illustration:
a. Remove the screw that secures the I/O board to the system board [1].
b. Lift the I/O board from the system board [2].
Installing the I/O Board
1. Place the I/O board on the computer.
2. Tighten the screw to secure the I/O board to the computer.
3. Install:
a. back cover
b. keyboard
c. system fan
d. WLAN card
e. hard drive
f. battery
g. base cover
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