This situation is generally due to the modem error when the corresponding dial-up port cannot be found, which may be the line problem of the operator or the line or network card connected to the external network at home.
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crop up
Error 65 1 appears suddenly, which may be a system failure. Please repair according to the above solution. The general sudden error 65 1 won't last long. You can try to dial later. If error 678 occurs, you can call your network provider and ask to refresh the next port for you.
It has been around for a long time
If you often encounter the prompt of error 65 1, or you can't get up for several days, the most likely situation is that there is something wrong with the network connection equipment. Please check whether there is any problem with the modem or network cable, and report it to the network provider immediately, so as to find out and solve the problem immediately. Tel: Telecom 10000, Unicom 100 10.