Dell OptiPlex 9010 All In One (Mid 2012) - Manual (Page 29)

Installing the Input/Output Board Shield
1. Connect the power-connector cable.
2. Place the input/output board shield on the computer.
3. Pass the power connector and fix it to the socket. Tighten the screws to secure the input/output board shield to the
chassis.
4. Tighten the screws that secure the power connector to the input/output shield.
5. Place the input/output panel on the computer.
6. Install:
a) power-supply fan
b) system-board shield
c) VESA mount bracket
d) back cover
e) VESA stand
7. Follow the procedures in After Working Inside Your Computer .
Removing the Power-Button Board
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the:
a) VESA stand
b) back cover
3. Disconnect the power-button cable from the board. Lift the power-button board from the chassis.
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