

A message says that the device needs more power, the operation can't be completed, or USB devices are disabled until you unplug the device using too much power.Symptoms such as these could mean that a device connected to the USB-A, USB-C, or Thunderbolt 3 (USB-C) port on your Mac isn't getting enough power: Is it possible for you to test with the mouse connected but the HDMI or other accessories disconnected? If so, does the behavior occur as you've described? Take a look at the information below for more details: Based on the behavior you've described, I'd recommend doing some testing to see if this is a power consumption issue. Thanks for getting back to us with those details.

Others need more power than your Mac can provide.
DONGLE IBOX V INSTALL
Check with the maker of your device, and install all available Apple software updates as well.
DONGLE IBOX V DRIVERS

I'd also recommend reviewing this information as well: I'd recommend using the steps in this resource to reset the NVRAM on your Mac this will also reset USB ports to their defaults and could help the behavior you're seeing: Reset NVRAM or PRAM on your Mac I can see why you'd reach out about this behavior I'd like to help. I understand that after a few hours of use the USB-C port on your Mac stops responding and you need to disconnect and reconnect the dongle you're using in order for it to respond. Thanks for reaching out in Apple Support Communities.
