Dell Precision M4600 (Early 2011) - Manual (Page 70)

11. Lift the right edge of the I/O board upwards to disengage the connector and
remove from the system.
Installing The Input/Output Board
1. Place the Input/Output (I/O) board on the system and ensure the connector
is properly engaged to the matching connector on the system board.
2. Tighten the single screw securing the I/O board in place.
3. Connect the ExpressCard cable.
4. Install the
palm rest .
5. Install the hard drive .
6. Install the optical drive .
7. Install the keyboard .
8. Install the keyboard trim .
9. Install the base cover .
10. Install the battery .
11. Follow the procedures in After Working Inside Your Computer .
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