first aid volume could not be unmounted imac

First aid volume could not be unmounted imac how to#

However, after 6hours I still don’t get the blinking cursor enabling me to type the command… I know I have to be patiente but I started to think over 6 hours is quite long.Īs I’m no expert on this I started to think it is repeating the command over and over and they are basically: There is clear a serious issue with HD so my last ditch effort was the fsck -fyd command on single mode. I’ve been experiencing some trouble with my MBP early 2011, running on Mavericks, but last night it completely gave up and is beyond repair by Disk utility, as I tried many advices from the web. Keep in mind that if the ‘fsck’ tool continuously fails or reports errors and Disk Utility is a no go as well, the hard drive itself very well may be failing and on its last legs, so be sure to initiate a back up all of your critical data using Time Machine or your backup method of choice, and aim to get the drive replaced sooner than later. Once OS X is booted again, it can be a good idea to confirm all is well by going back to Disk Utility and running the “Verify” tool to check on the drives health. Type “reboot” to leave Single User Mode and boot the Mac back into OS X as usual.Once fsck completes, if you see a “File system was modified” message, then you should run “fsck -fy” again until you see a message stating “The volume (name) appears to be OK” – this is standard procedure of using fsck.

When the Single User boot sequence has finished, you’ll find a small command prompt at the bottom of the screen prefixed by a hash sign (#), when you see that type the following command exactly:.

Boot the Mac into Single User Mode by holding down Command+S during system boot after you hear the boot chime, you know you will have successfully entered Single User Mode because you will see a bunch of white text on a black background scroll by.

First aid volume could not be unmounted imac how to#

How to use Single User Mode and fsck to repair a disk