Log in to the management interface of the router because all configuration and troubleshooting is done from here, type 192.168.0.1 in the browser's address bar, and enter the login account and password.
First, router DHCP settings
It is important to ensure that the DHCP configuration is made to the wireless router through the management interface, only in this way can the router be automatically assigned to the computer IP address.
Second, router MAC address filtering
If your notebook cannot connect to the wireless router, but the password is correct, check your device for MAC address filtering and, if so, disable it, or add the MAC address of your notebook.
Third, the unstable connection
If your connection is unstable, disconnected, and often reconnected, there may be interference or conflict, you should change the wireless router's channel to another try.
Four, unable to access the Internet
If you are unable to access the Internet, but can access the wireless router, you may wish to check the wireless router's control panel to see if there is a broadband provider's IP address, if so, please try to reconnect.
V. Check compatibility
Be sure to keep your wireless router compatible with the 802.11 signal, otherwise your laptop and desktop will not be able to connect.
Six, place position
To ensure that the wireless router in a best performance location, mobile wireless router, until the strongest signal to reach the location, do not put the router in a location near the wall, otherwise it will block the spread of wireless signals.
If the above method is not enough, that only reset the router, with a needle and things like that, ammonium under the router's reset button, keep the reset button pressed more than 10 seconds, so that the router can return to the factory default value.