Dell Vostro 1440 (Mid 2011) - Manual (Page 35)

Removing The Audio 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 palm rest .
5. Disconnect the WLAN card antennae hindering access to the audio board
cable.
6. Lift up and remove the coin-cell battery from its compartment.
7. Disconnect the audio board cable from the system board.
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