Attention
Do not open your computer or attempt any repairs before reading the Important Product Information Guide.
Caution
Before you open the computer cover, turn off the computer and wait several minutes until the computer is cool.
Remove any media from the drives and turn off all connected devices and the computer.
Disconnect all power cords from electrical outlets and disconnect all cables from the computer.
Unlock any locking device that secures the computer cover.
Remove the computer cover.
Complete the replacement. For details, see Completing the parts replacement.