Did a disk repair through recovery in disk utility (cmd+R). Now it gets stuck on apple logo progress bar and then shuts down. Now Recovery/Disk Utility shows Macintosh HD as unmounted. Even fsck cannot verify and repair disk. Any advice appreciated.
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Boot into recovery then open Terminal and post the output of "diskutil list" (it might be easiest to use a camera if you don't want to faff around with saving the output to an external drive).
You might also want to try booting with Cmd-V to get diagnostic info.
Can you create an External USB image and boot from that?
Macintosh HD showed up mounted all of a sudden and I erased/formatted it and tried to reinstall Yosemite. Asked for apple id but didn't have it as it was an ex school mac. Got the spinning wheel so I had to reboot it and got internet recovery screen (spinning globe). Went to install os x but it was Mountain Lion not Yosemite. Installing now. Booted successfully with mountain lion. What's the best way to get Yosemite back?
krispienz:
Macintosh HD showed up mounted all of a sudden and I erased/formatted it and tried to reinstall Yosemite. Asked for apple id but didn't have it as it was an ex school mac. Got the spinning wheel so I had to reboot it and got internet recovery screen (spinning globe). Went to install os x but it was Mountain Lion not Yosemite. Installing now. Booted successfully with mountain lion. What's the best way to get Yosemite back?
Now you get an AppleID , then go to App Store, and download Yosemite from there.
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