Dell Vostro 1440 (Mid 2011) - Manual (Page 17)

Removing The Keyboard
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1. Follow the procedures in Before Working On Your Computer .
2. Remove the battery .
3. Pry up to release the top four snaps securing the keyboard to the computer.
4. Flip the keyboard over and lay it on the palm rest.
5. Disconnect the keyboard cable from the system board.
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