Many people encounter the problem that their laptop's wireless network card can search the signal but can't connect, this situation is basically caused by the following several reasons:
One, the connection signal is weak
In case of weak signal, it is possible to cause the connection to be unsuccessful, try to close to the signal source, and connect with the better signal.
Second, whether the connection is their own wireless signal
Check the SSID number in "Run Status"-"wireless status" through the cable landing router management interface. If the SSID is not the network name of the wireless connection, connect the wireless card properly to your wireless network.
Third, confirm your security type and key.
Through the Wired landing Router management interface, "Wireless parameters (Wireless settings)" To see what type of security the router is set up, and remember the key.
Four, wireless router is set up wireless MAC address filtering
Through the cable landing router management interface, "Wireless parameters (Wireless Settings)"-"MAC address filtering" to confirm that it is off.
V. Delete the configuration file. The method is as follows:
Wireless network connection-Properties-Wireless network configuration clears the contents of the Preferred network box.
Network and Sharing Center-manage wireless networks, empty the contents.
Re-search and connect the wireless network, and enter the correct encryption key.
Unable to connect to the router for a number of reasons, we have to pay attention to the problem should be taken into account these solutions, basically can be done.