So at random times during the past month (it seems to happen if I plug in a new or un plug and old device) my keyboard and mouse drives go unrecognized in device manager. The same keyboard and mouse work fine in setup though. It appears to be a windows 8.1 issue but can not seem to get it fixed. After some research it seems I am not alone. Many of the fixes say to go into the setup and disable XCHI mode. I have looked and can not find that setting so I am not sure that is the cause.

Any suggestions on what to try? A couple of times I was able to unplug from the wall wait few then power back up and everything was fine.