Most likely, your USB cable does not support data transfer. I suggest you change the cable or use the Type-C cable included in the package to connect to the controlled computer instead of using it as a charging cable.
If your keyboard and mouse aren't responding on the GL-iNet Comet Pro RM10, try these quick troubleshooting steps to get your remote KVM setup working properly:
Check Cabling: Ensure you haven't swapped the dedicated 5V power Type-C port with the target computer's USB data port.
Adjust Mouse Settings: Switch the input configuration to Relative Mode under the device menu.
I ran into a similar input freeze late last night while using a free astrology chat ai on my remote desktop! Hope this solves it for you. Read; astroma.co