5.Turn the display bezel over.
6.Follow the instructions from step 2 to step 12 in Replacing the Display Bezel.
7.Replace the system board (See Replacing the System Board).
CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer.
8.Connect your computer and all attached devices to electrical outlets, and turn them on.