Before downloading anything, you must know the exact model of your Wi-Fi card. Right-click and select Manage . Click Device Manager in the left pane.

If the name isn't clear, right-click the device, go to Properties > Details tab, select Hardware Ids from the dropdown, and note the VEN (Vendor) and DEV (Device) codes (e.g., VEN_8086&DEV_4222 ). 2. Locate and Download the Driver

Look under . If the driver is missing, it may appear as a "Network Controller" with a yellow question mark under Other devices .

Select .

Search for the "Support" or "Drivers" section on sites like Dell Support , HP Support , or Lenovo Support .

Choose for Windows Update and click Next .