2. The server is unresponsive (the user port in the computer room is wrong, or the account is not activated or the account is locked).
3. Due to telephone or broadband arrears.
4. The user name or password entered is the most wrong. Please re-enter and connect again.
The above four failures are the direct causes of broadband internet access failure.
You can call the broadband operator and ask them to help you solve the problem.