How do I log into my account
My IMac keep in progressing suddenly,then I forced to off and turn on again.But it keeps running in rainbow circle since I logged in.But it works properly if I log in as a guest.What can I do?
iMac, iOS 8.4
You aren't a guest on your own computer, you have a password that you likely forgot.
First, when your computer is running please download EtreCheck and then run the report and copy and paste it in your reply. Then we can tell how your system is set up and look for obvious problems.