Dell Latitude ST (Late 2011) - Manual (Page 43)

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Removing The Input/Output (I/O) Board
1. Follow the procedures in Before Working On Your Computer .
2. Remove the digitizer pen .
3. Remove the label door .
4. Remove the bottom cover .
5. Remove the battery .
6. Remove the middle frame assembly .
7. Disconnect the I/O board cable from the system board.
8. Remove the screw that secures the I/O board to the computer.
9. Lift up the I/O board and remove it from the computer.
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