Part No. NVP119-S801e - Case 6-OW-106965-80270 - How to reset Combo KVM on 2013 Style KVM
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: Find the jumper either J7 or J8, then use either paper clip or scissors to
touch the two boxes of jumper, then plug in the power while holding the jumper
in order to close/short the jumper 5 ~ 10 second, then you will hear beep sound
when it resets.