Dell Precision M6500 (Late 2009) - Manual (Page 109)

Removing the Left I/O and IEEE 1394 Board
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1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the battery .
3. Remove the access panel .
4. Remove the secondary hard drive (if applicable).
5. Remove the hinge cover .
6. Remove the keyboard .
7. Remove the display assembly .
8. Remove the palm rest .
9. Remove the PCMCIA card cage .
10. Remove the four screws that secure the left I/O and IEEE 1394 board to the computer.
11. Lift the left I/O and IEEE1394 board up and away from the computer.