Sorry to hear about your network connection problems. If your WiFi is connected but you can't get online and it shows an exclamation mark, it could be for a number of reasons.
One of the possibilities is that your phone or device doesn't have an adequate phone bill or data plan to access the Internet. You can check if your phone balance or data plan is exhausted. In addition, it is also possible that the WiFi signal is unstable or the router is having problems. You can try restarting the router or try connecting to another reliable WiFi network to resolve the problem. If the problem persists, contact your Internet service provider for further assistance.
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1. The network password is incorrect, causing Internet access failure.
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2. The wireless router is set up with advanced security: in this mode, only the bound devices can connect.
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3. There is also a case that there is no network fee, users can contact the operator to check.
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4. The network signal is too poor, resulting in unstable network connections, which will also cause this situation.
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5, log in to the WiFi management website, and check in detail whether the network is set, whether the users are shielded.
WiFi has been connected to the exclamation mark can not be on the network, it proves that your light cat has been stopped, the operator does not provide you with data services. Or the optical fiber line connected to the light cat is not connected, take your ID card to the operator's business hall for the first time to pay the fee, pay the fee within two minutes to restart the light cat, you can provide you with new Internet services
wifi connection cannot be used with an exclamation mark for the following reasons:
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1, broadband arrears or expires, need to pay or renew in time.
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2. If the network cable is loose, insert both ends of the network cable tightly.
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3, the equipment is used for a long time, you can power off the optical cat, router and other Internet equipment for a few seconds, and then switch on the power to restart.
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4, if the above method can not be restored, it is recommended to contact the local customer service hotline staff.