Reason: The wireless card driver is incorrect or corrupted.
1, first of all, Baidu search "Xunjie fast wireless card driver", click to open the official website.
2. Then open the download center and search for the model of your network port.
3, and then click on the Download Now option to download.
4. After downloading, unzip the downloaded zip file.
5, the installation of the driver before the wireless card into the computer usb socket;
6, and then click on the "Setup.exe" file according to the prompts to install it;
7, and then click on the next step, wait for the installation to complete.
7, choose a good mode, enter the password, click Apply,
8, configure the successful click to confirm.