How to remove and change internal Power Adapter NVP117-S801e?

Part No. NVP117-S801e - Case-6-OW-103662-78353 - Question: How to remove and change internal Power Adapter?

“Before your work, please make sure that the power is disconnected.”

Step 1: Remove the top rear kit cover. 7 screws on the top, 4 screws on each side.

Step 2: After cover removed, cut off the cable tie and disconnect the power adapter. Then replace the defective power adapter.