Lenovo ThinkPad T410s - Manual (Page 83)

2. Attach the keyboard so that the keyboard edges a are under the frame as shown in this figure.
a
a
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3. To make sure that the front side of the keyboard is housed firmly, gently press the keys with your thumbs
and try to slide the keyboard toward you.
4. Secure the keyboard by tightening the screws from the bottom side of the computer.
Chapter 8 . Removing and replacing a FRU 77