Dell Vostro 1440 (Mid 2011) - Manual (Page 39)

Removing The USB Board
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1. Follow the procedures in Before Working On Your Computer .
2. Remove the battery .
3. Remove the keyboard .
4. Remove the optical drive .
5. Remove the palm rest .
6. Disconnect the USB board cable from the system board.
7. Remove the screw that secures the USB board.
8. Lift up the USB board and remove it from the computer.
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