Dell OptiPlex 9020 All In One (Mid 2013) - Manual (Page 16)

Installing the System-Board Shield
1. Align and place the system-board shield on the back of the computer.
2. Tighten the screws that secure the system-board shield to the computer.
3. Install the:
a) VESA mount bracket
b) back cover
c) VESA stand
4. Follow the procedures in After Working Inside Your Computer .
Removing the Converter Board
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the:
a) VESA stand
b) back cover
3. Disconnect the backlight and converter cables from the converter board.
4. Remove the screws that secure the converter board to the computer.
5. Lift the convertor board away from the computer.
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