Note: Their first troubleshooting steps will be to ask if you have first checked to see caps lock is off, then if you cleared your browser history/cache and then if you rebooted your computer.

Many minor problems with login that are not related to incorrect credentials are related to cookies, cached sessions with expired credentials, and other things that can be solved by clearing history/cache and then rebooting.

Most advance Google Related Service issues would be looked into by Information Technology Services as they are the major provider on campus collaborating with Google to provide such services.