@David-TP it's plugged in an old factory all-in-one PC with windows 8 and it was greyed out in device manager. So my last attempt was reinstall driver, but there is none and windows updates was not...

Hello, drivers for this adapter are missing, here Download for UE200 | TP-Link is just redirection to realtek.com Oops! (realtek.com), where you can't find drivers. Can you please put here a working...