WiFi itself is a problem, the WiFi may not be connected properly, resulting in no Internet access; Router problems, possibly overheating or damaged router; Possible broadband arrears, resulting in no Internet access; WiFi name contains Chinese, resulting in some computers can not connect to the Internet; Computer system problems, there may be a problem with the system, resulting in connection to the WiFi but can not access the Internet.
If you use Unicom broadband, the laptop connected to wifi but not on the network may have the following reasons: broadband arrearage or expiration, need to pay or renew in time. If the network cable is loose, connect the network cableInsert both ends tightly. If the device is used for a long time, power off the optical cat, router and other Internet access devices for 10-20 seconds, and then switch on the power to restart. If the above method cannot be restored, contact the local customer service hotline.
The device manager does not have an exclamation mark, indicating that the network card should be normal. The problem may be caused by system Settings or other network devices.
Connect the computer broadband can be connected to the Internet, indicating that there is no problem with the network. Now the connected router can not access the Internet, there is a WIFI signal, indicating that the quality of the router is generally not a problem. The biggest problem is that you can't set up the router because the router doesn't