Follow the procedures in Before Working Inside Your Computer.
Ensure that your work surface is flat and clean to prevent the computer cover from being scratched.
Turn off your computer (see Turning Off Your Computer).
Remove the:
a. battery
b. keyboard trim
Remove the screws that secure the keyboard to the computer.
Starting from the bottom of the keyboard, separate the keyboard from the computer and flip the keyboard over.
Disconnect the keyboard-data cable from the system board and remove the keyboard.
Installing the Keyboard:
Connect the keyboard-data cable to the system board.
NOTE: Ensure that you fold the keyboard-data cable in perfect alignment.
Press and align the keyboard to its compartment.
Tighten the screws to secure the keyboard to the computer.
Press over the cross section of the following keys to secure the keyboard to the computer:
a. <R> , <T> , <F> and <G> keys
b. over the <9> key
c. NUMLOCK <9> key
Install the:
a. keyboard trim
b. battery
Follow the procedures in After Working Inside Your Computer:
Connect your computer and all attached devices to their electrical outlets.
Turn on your computer.