If Method 1 doesn't work, you'll need to download the specific file for your model. If you don't have internet on that PC, you can download the file to a phone or another computer and transfer it via USB. Fix Wi-Fi connection issues in Windows - Microsoft Support

: Right-click the Start button and select Device Manager .

: Expand the Network adapters section. Look for an item with "Wireless," "Wi-Fi," or "802.11" in its name (e.g., Intel, Realtek, or TP-Link).

If your Wi-Fi is acting up, Windows can often fix it by "re-detecting" the hardware and installing the base driver automatically.

: Right-click the adapter and select Uninstall device . If a checkbox appears to "Attempt to remove the driver," check it and click Uninstall .

: At the top of the window, click the Action menu and select Scan for hardware changes . Windows should automatically find and reinstall the driver. Method 2: Manual Download (Official Manufacturer)

To download and install the drivers for your Wi-Fi adapter, you can use built-in Windows tools or download them manually from the manufacturer's website.