Look for an item with a yellow exclamation mark labeled or Unknown Device (usually under "Other devices" or "Network adapters"). Right-click the device and select Update driver . Choose Browse my computer for drivers .

Open Device Manager and right-click your wireless adapter to select .

If you downloaded a raw .inf or .sys driver package file, you can force install it:

Your Wi-Fi should now list available networks.

Extract the downloaded folder to a known location on your desktop.

: If the computer manufacturer doesn't have it, look for the chipset maker (e.g., Driver Easy Key Features of 802.11n (Wi-Fi 4) Dual-Band Support

What is the you are currently running?

Extract the downloaded driver .zip file to a dedicated folder on your desktop.