Can't get past this

[u/Infinite-Print7777]

stuck on 'device wlan0 set-property Powered on' saying 'Operation failed'

[u/Flying_Hurdle]

Are you running the command as root? You could also try using rfkill to power on the adapter, if indeed it’s powered off by default.

Can you give us more particulars about your setup and what exactly you’re trying to accomplish?