Installing The Rear-I/O Bracket - Dell OptiPlex 7490 All-In-One Service Manual

Installing the rear-I/O bracket

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the rear-I/O bracket and provides a visual representation of the installation
procedure.
Steps
1. Align the screw holes on the rear-I/O bracket with the screw holes on the display-assembly base.
2. Replace the three screws (M3x5) to secure the rear-I/O bracket to the display-assembly base.
3. Route the power-supply cables through the routing guide on the rear-I/O bracket.
4. Align the screw hole on the power-supply socket with the screw hole on the rear-I/O bracket, and place it in the slot on the
rear-I/O bracket.
5. Replace the screw (M3x5) to secure the power-supply socket to the rear-I/O bracket.
Next steps
1. Install the bottom cover.
2. Install the system-board
3. Install the back cover.
4. Install the cable cover
5. Install the stand.
6. Follow the procedure in
60 Removing and installing components
shield.
(optional).
After working inside your computer.