① First of all, the wireless router of the computer should be connected to the cat.
② Then open the computer to access the wireless route page, enter the account and password in PPPOE. Make a dial-up connection and click Save.
③ Finally, open the web page directly on the computer to see whether you can access the Internet, if you can, use the wireless network card to connect to the wireless route. Antivirus is blocking the browser. You can turn off the antivirus and firewall. Try to open the web page, if not, adjust the antivirus software Settings. Driver mismatch: Download a driver life, automatically download and install the driver according to the model. Local connection is disabled: right-click and select Enable. DHCP for the route is disabled. Check the route, see if DHCP is enabled. The problem of the wireless router, the problem of the power supply module: the common fault is the filter capacitor bulge in the rectifier circuit in the router, which can be opened to see. Drive wizard universal drive try, or under 360 antivirus, which has lps repair.