How to replace 12V power of AC Controller?

The model of 12v Power: MEAN WELL LRS-50-12

1. Follow the video to disassemble the controller. How to disassemble the controller?

2. Remove 1 screw and unplug RJ45 netport cable.

3. Remove 4 screws.

4. Remove 6 screws.

5. Remove 2 screws and 5 cables, replace a new 12V power.