In Device Manager → right-click the unknown or Wi-Fi device → Properties → Details → Hardware Ids dropdown. Look for something like: PCI\VEN_10EC&DEV_... (Realtek)
Here’s what you should know, including and how to get it properly. netrtwlanu.inf download
If Windows warns you about driver compatibility, click Install this driver software anyway . In Device Manager → right-click the unknown or
Press Windows + X and select Device Manager . netrtwlanu.inf download
A recent update may have corrupted the driver.
Check the box and click Download & install .