niombird.blogg.se - Mac hdd recovery software cannot mount

Trying to perform any drive modifications would fail to give you the “couldn’t unmount disk” error message. You are also unable to partition, reformat or erase the disk you are currently booted from. The system won’t allow you to do anything if some other application or process uses the drive. Why is Mac Giving You the “Couldn’t Unmount Disk” ErrorĬan’t unmount disk on Mac usually happens when you try to do some manipulations with the external or internal drive.

How to Fix “Couldn’t Unmount Disk” Error on Mac.

Before Fixing the “Couldn’t Unmount Disk” Error.

Why is Mac Giving You the “Couldn’t Unmount Disk” Error.

Worst case scenario is to get a new HDD, but I'd still like to recover the use of this disk somehow. So any software or hardware (or combination) solution would be great. (Buying the external was cheaper than buying just the internal, and Fujitsu had a pretty OK reputation for their harddisks at that point. I can't really bring it in for a warranty exchange, cos I ripped this disk out of the original enclosure, so the enclosure is now completely busted, and obviously the warranty won't be honored. It is still visible in Disk Utility, but greyed out.Ĭan anyone advise what I can do to recover the disk? I've also tried booting from my SL install disk, but it won't mount the disk to install SL.

Disk First Aid is still telling me the disk is fine. What's worse, now the disk is apparently not writeable, and I can't even erase it. I thought I'd try to erase it and restore from my TM backup, but after I erased the disk, it still couldn't mount. Disk First Aid says the disk is fine, but I just couldn't get it to mount. I have run Disk Utility on it to try & rectify the problem. I have since replaced the original HDD (which I was keeping as a emergency backup, phew) and put the problem HDD in an external FW enclosure. It has served me well for slightly over a year, and is only now giving me this problem. I took the HDD from an off-the-shelf 2.5" external HDD.

I should give you a little background: Mine is a MacBook White early 2009, with upgraded 4GB RAM & 500GB 5400rpm Fujitsu HDD. When I did so, my startup disk wouldn't mount. I couldn't Force-Quit anything or do a soft restart, so I decided to just power-cycle restart (pressing the power button until it shut down, then pressing it again to start up). I was surfing this site a couple of days ago when my MacBook suddenly froze up.