15.Remove the keyboard base system board (5) by sliding it up and to the right at an angle.
Reverse this procedure to install the keyboard base system board.
Fingerprint reader board cable
NOTE: The fingerprint reader board cable is included in the Keyboard Base Cable Kit, spare part number
Before removing the fingerprint reader board cable, follow these steps:
1.Shut down the keyboard base. If you are unsure whether the keyboard base is off or in Hibernation, turn the keyboard base on, and then shut it down through the operating system.
2.Disconnect all external devices connected to the keyboard base.
3.Disconnect the power from the keyboard base by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the keyboard base.
4.Remove the bottom cover (see Bottom cover on page 71).
5.Remove the keyboard base battery (see Keyboard base battery on page 72).
6.Remove the keyboard system board (see Keyboard base system board on page 81).
Remove the fingerprint reader board cable:
1.Turn the keyboard base system board upside down with the front toward you.
2.Release the ZIF connector (1) to which the fingerprint reader board cable is attached, and then disconnect the fingerprint reader board cable from the keyboard base system board.
84 Chapter 6 Removal and replacement procedures – Keyboard base
