Dell Precision M4700 (Mid 2012) - Manual (Page 39)

Installing the I/O Board
1. Connect the I/O board connector and slide the I/O board into its slot in the computer.
2. Tighten the screw to secure the I/O board to the computer.
3. Connect the ExpressCard module connector to the I/O board.
4. Install the:
a. palmrest
b. hard drive
c. optical drive
d. keyboard
e. keyboard trim
f. base cover
g. battery
h. SD card
5. Follow the procedures in After Working Inside Your Computer .
Removing the Switch Board
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the:
a. battery
b. base cover
c. keyboard trim
d. keyboard
e. optical drive
f. hard drive
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