Onyx Maintenance tool - Cant boot back into Startup drive
Hi, my hard drive was fine. But I wanted to run the Onyx Maintenance. The mac restarted and booted into the Onyx osx mount, I than ran a disk permissions. But now I can't seem to restart back into the startup dive. I can see the hard drive and I done a disk report and all is fine. But I can't seem to reboot backplease can anyone help..
OSX Mav
Mac Pro
Mac Pro, OS X Mavericks (10.9.5)