Specific troubleshooting methods:
To change the IP address and DNS address of wireless connection to automatic acquisition
1 Right "Network Neighborhood" select "Properties" and go to the Internet Connections page.
2 Double-click "Wireless network Connection" to enter the "Wireless network Connection Status" interface.
3 Click the "Properties" button to enter the wireless network connection properties interface.
4 Select the Internet Protocol (TCP/IP) for the wireless network connection, and click Properties to change IP address and DNS to automatic access.
Second, check the wireless network card terminal configuration and front-end router configuration is consistent
1 wired into the router management interface to view wireless router wireless security settings. As shown in the following figure, WPA-PSK encryption is used in the router.
2 Check the wireless network in the wireless network connection to see if the wireless network you are searching for is encrypted. The following figure is a WPA-encrypted wireless network.
3 Click "Change advanced Settings" to enter the wireless network Connection "Properties" page and remove the unrelated wireless network configuration in the preferred network.
4 Select your wireless network name, click "Properties" and check the network authentication in the wireless network key to see if the encryption method is consistent with the router. If this is inconsistent, modify the authentication method before you re-enter the correct network key.
Third, at this point to see whether the wireless connection to obtain the IP address, the following figure, the successful connection after the dynamic acquisition of an IP address.
Check whether the filter rules in the router firewall filter the wireless network card. If you set a filter rule, it is recommended that you test the firewall shutdown first.