mac mini server freezed
our mac mini server was freezed and try to restart, but the apple logo and the spinning gear keep running.
I try un-plugged it but same thing the spinning gear logo keep running.
Mac mini
See if you can restart into the Recovery HD by pressing/holding Command+R at the boot chime. Then, open Disk Utility and do a Verify Disk. If there are errors, then do a Repair Disk.