If having issues fetching windows updates or connecting to the internet, and the LAN connection is verified to be good, use these instructions to reset the NUC's network adapter:

-Open PowerShell or Command Prompt and run as administrator, type the following commands by pressing enter at the end of each command line:

netsh winsock reset

netsh int ip reset

netsh advfirewall reset

ipconfig / flushdns

ipconfig / release

ipconfig / renew

Close and restart the computer at the end of all the commands.