The campus network 65 1 error is caused by the network setting error, and the solution is as follows:

1. First, turn on the computer and find a yellow exclamation point at the network icon. You can't access this page when you open the browser.

2, and then use the campus network client login, prompt login failed. Click network and Internet settings.

3. Then in the page that opens, find and select-Change the adapter option.

4. Then right-click the current network adapter and select Disable.

5. Then right-click and select Enable.

6. Open the browser at this time, and the page becomes the default interface of the campus network. Then log in with the campus network client, and you can log in.