Dell Latitude 5490, Service Manual

Page: 48 / 105

Steps
1. Align and place the PSU in the slot on the display-assembly base.
2. Replace the screw (M3x5) to secure the PSU to the display-assembly base.
3. Connect the power-supply cable to the connector on the system board.
4. Route the power-supply cable through the routing guides on the rear-I/O bracket and PSU fan.
5. 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.
6. 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 shield .
3. Install the back cover .
4. Install the cable cover (optional).
5. Install the stand .
6. Follow the procedure in After working inside your computer .
Power-supply fan
Removing the PSU fan
Prerequisites
1. Follow the procedure in Before working inside your computer .
2. Remove the stand .
3. Remove the cable cover (optional).
4. Remove the back cover .
5. Remove the system-board shield .
6. Remove the bottom cover .
About this task
The following image indicates the location of the PSU fan and provides a visual representation of the removal procedure.
48 Removing and installing components