4.Lift the I/O board from the computer.
Installing the Input/Output (I/O) Board
1.Insert the I/O board into the chassis.
2.Connect the I/O board cable to the system board.
3.Install:
a.palmrest assembly
b.keyboard
c.memory module
d.hard drive
e.WLAN card
f.access panel
g.optical
h.battery
4.Follow the procedures in After Working Inside Your computer.
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