My SSD stopped mounting by itself on boot. So I booted into Single User mode, ran /sbin/mount/ -uw / and exit and it got mounted and I could boot from the SSD. However, after booting all I see is the Guest user and not the admin user.

However, I have a TM backup and would like to simple erase the entire disk and restore. The issue is I can't erase the disk in Recovery Mode using Disk Utility as it does not get mounted automatically.

What would be the best approach?

  • How can you boot in Single User Mode? Isn't your SSD the bootdisk? Jul 29 '14 at 12:28
  • @CousinCocaine it's quite common to have a system that boots enough to get to the prompt in single user mode yet still has severe issues on the OS and/or the user level...
    – bmike
    Jul 29 '14 at 12:48
  • I did not know. But the first line made it confusing: "My SSD stopped mounting by itself on boot". The Single User Mode is on the same partition as the System and not on the Recovery partition, right? Jul 29 '14 at 13:03

Hold down the Command and R keys at startup to start the computer from the Recovery system. The Recovery menu that appears includes the option to restore from a Time Machine backup.

  • First: delete your SSD drive using Disk Utility. (Mac OS Extended (Journaled))
  • Second: Choose for Backup from TimeMachine.

And now we wait...

It would be wise to connect your machine using an network cable instead of WiFi.

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