This document contains instructions for removing and installing the keyboard on your ThinkPad X20, X21 computer.

Removing the keyboard

1. Remove the battery pack.
   
2. Remove the hard disk drive.
3. Remove the four screws indicated by 1 in the picture.
   
4. Turn bottom of unit up and follow Steps 1 and 2.
   
   
5. Pull tab upward and slide keyboard towards you.
   

Installing the keyboard

1. Install the new keyboard, following the directions in the figure. Make sure that the keyboard edges, shown in the figure as (A), (B), (C), (D) and (E), are under the frame.
   
2. Align the tabs of the keyboard with the corresponding slots; then, press the keyboard until it snaps into place.
   
3. Replace the four screws removed earlier.
4. Insert the hard disk drive.
5. Insert the battery pack.