3.Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer.
4.Remove the battery (see Battery on page 32).
5.Remove the service door (see Service door on page 33).
6.Remove the hard drive (see Hard drive on page 36)
Remove the keyboard:
1.Remove the PM 2.5 × 6.5 screw that secures the keyboard to the computer.
2.Rest the computer on its left side.
3.Open the computer.
Component replacement procedures 45