Installing The Control Panel - Dell OptiPlex 990 Service Manual

9. Remove the control panel board.

Installing The Control Panel

1. Insert the control panel board into the slot on the chassis front.
2. Tighten the screw to secure the control panel board.
3. Thread the control panel-speaker cable into the chassis clip.
4. Connect the control panel cable to the system board.
memory .
5. Install the
drive cage .
6. Install the
front bezel .
7. Install the
cover .
8. Install the
9. Follow the procedures in
48
After Working Inside Your Computer .