Keeping your 802.11n Wi-Fi driver updated is the simplest way to extend the life of your Windows 7 machine. By matching the correct hardware ID to the latest manufacturer software, you ensure a stable, secure, and fast connection.
Point the folder to where you extracted your downloaded files. Troubleshooting Connectivity Issues
The Device Manager shows a yellow exclamation mark.
In Device Manager, right-click your adapter > Properties > Power Management. Uncheck "Allow the computer to turn off this device to save power."