I spent quite some time trying all the usual resets, but since Troubleshooter was indicating a possible driver problem, it threw me. Internet search from another computer come up with nothing except...

I have upgraded 2 laptops and 2 desktops from ISO dvd downloaded from Microsoft MCT. Upgrades were 1x windows 8.1 home x64, 1x windows 7 ultimate x64, 1x windows 8.1 pro x64, and 1x windows 7...

I upgraded from 8.1 to 10 and lost LAN, so could not connect to internet. Troubleshooter advised a possible driver problem with the network card, however the Realtek GBT family card showed up as...