Lenovo THINKPAD T41/T41P Hardware Maintenance Manual page 88

Removing and replacing a FRU
3. To make sure that the front side of the keyboard is
housed firmly, gently press the keys with your fingers
and try to slide the keyboard towards you.
4. Make sure that all the projections on the front side of
the keyboard b are firmly attached under the frame.
b
5. Secure the keyboard from the underside of the
computer, using the new screws provided with the
keyboard.
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T40/T40p, T41/T41p, T42/T42p
b