Driver For Network Adapter - How To Install
If you have no internet access at all on the target computer, you will need to use a second computer and a USB flash drive.
Restart your computer. Windows will attempt to reinstall the driver from scratch upon rebooting. Method 3: Manual Installation from the Manufacturer how to install driver for network adapter
If a driver is found, Windows will download and install it automatically. Restart your computer to apply the changes. Method 2: Using Device Manager If you have no internet access at all