Lenovo ThinkPad T420 (English) User Guide - Page 140
Close the computer display, and turn the computer over. Reinstall the screw.
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Page 140 highlights
2. Insert the keyboard. Make sure that the rear edges of the keyboard are under the frame, as shown by the arrows. 3. Slide the keyboard as shown by the arrows. 4. Close the computer display, and turn the computer over. Reinstall the screw. 122 User Guide
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2. Insert the keyboard. Make sure that the rear edges of the keyboard are under the frame, as shown by
the arrows.
3. Slide the keyboard as shown by the arrows.
4. Close the computer display, and turn the computer over. Reinstall the screw.
122
User Guide