4.Remove the bottom cover (see Bottom cover on page 71).
5.Remove the keyboard base battery (see Keyboard base battery on page 72). Remove the keyboard base system board:
1.Disconnect the fingerprint reader board cable from the LIF connector (1) on fingerprint reader board.
2.Detach the fingerprint reader board cable (2) from the top cover. (The fingerprint reader board cable is attached to the top cover with
3.Release the adhesive strip (3) that secures the hinge assembly right cable to the keyboard base system board.
4.Disconnect the hinge assembly right cable (4) from the keyboard base system board.
5.Disconnect the power connector cable (5) from the keyboard base system board.
6.Disconnect the keyboard backlight cable from the LIF connector (1) on the keyboard base system board.
7.Release the ZIF connector (2) to which the keyboard cable is attached, and then disconnect the keyboard cable from the keyboard base system board.
8.Release the adhesive strip (3) that secures the hinge assembly left cable to the keyboard base system board.
9.Disconnect the hinge assembly left cable (4) from the keyboard base system board.
82 Chapter 6 Removal and replacement procedures – Keyboard base
