Dell Precision M3800 (Late 2013) - Manual (Page 25)

3. Connect the following cables to the system board:
a. touch panel
b. power connector
4. Install the:
a. battery
b. base cover
5. Follow the procedures in After Working Inside Your Computer.
Removing the Input/Output (I/O) Board
1. Follow the procedures in Before Working Inside Your Computer.
2. Remove the:
a. base cover
b. battery
c. WLAN card
d. coin-cell battery
3. Perform the following steps to remove the I/O board:
a. Disconnect the I/O board cable from the system board and the I/O board.
b. Disconnect the camera, fan, and coin-cell battery cables from the I/O board.
c. Remove the screws that secure the I/O board to the computer.
d. Lift the I/O board from the computer.
Installing the I/O Board
1. Tighten the screws to secure the I/O board to the computer.
2. Connect the following cables to the I/O board:
a. camera
b. fan
c. coin-cell battery
3. Connect the I/O board cable to the I/O board and the system board.
4. Install the:
a. coin-cell battery
b. WLAN card
c. battery
d. base cover
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