Wireless network card is connected properly but cannot communicate and surf the internet

Wireless network card to connect the wireless AP or router when the display is normal, but not communication and Internet.

First verify that the wireless AP or router is encrypted, and if it is encrypted, make sure that the wireless adapter is encrypted the same way as the wireless AP or router. Also verify that the IP address of the wireless adapter is in the same subnet as the IP address of the wireless AP or router, and that changes are required if it is not present.

Check all connected with the Internet equipment power is not normal power supply, the connection line is correct, the router WAN port status and access device connection LED is normal, the wireless router settings are normal.

Wireless router in the "status" of the display is normal, ie browser property settings are correct, whether the extranet Unicom, you can directly connect the WAN Line computer test can be online, if not, need to contact broadband service providers.

In addition, computers infected with the virus, may also lead to network impassability, the proposed use of the latest anti-virus software to carry out a comprehensive anti-virus.