Computers and devices often "cache" or save information on wifi networks you've used, including your login. This can cause problems if the information is no longer accurate (i.e. your UNI password changes) or if it becomes corrupted.
Removing the wireless network information often resolves issues with connecting to Mercury secure wireless at CUIMC. Keep in mind that removing the network may require that you set it up again before being able to connect.
If the name of the network you want to remove doesn't appear in the computer's current wireless list: