Mac os external hard drive wont mount




External Drive Troubleshooting – Mac

I had a similar issue. The external drive did not show in finder. I tried booting into Single User mode and ran all the fsck commands with no success. The drive was detected but when it is plugged in fsck starts to execute and it seems to run indefinitely. In my case it looped around the Could not repair after 3 attempts" error but then it just restarted the tests again. Finally I downloaded the free version of DiskDrill and clicked on the Rebuild button. When doing that, Diskdrill showed me drive content. However, I found it interesting that DiskDrill could see content and offered me to mount the drive so I wondered if it had done something good.

So I went back to Disk Utility that previously did not allow me to Mount the broken drive and tried to Mount again and now it worked. I think DiskDrill unblocked something. I tried all other options I could find, using command line, disk utility etc and this was the only thing that unblocked the situation. So it seems tools like Disk Drill etc can accomplish more than what Mac OS offers and it might be worth looking into if you have this issue.

In my case I managed to work around it with the free version in combination with DiskUtility but if you need to recover files you probably need the full version I could see the drive content but since I did not care about it, I just formatted the drive. I've tried just about everything on every forum I read short of formatting my hard drive. I was able to save my data by plugging my hard drive into an older Macbook not using High Sierra. After the beachball went away after a while I was able to see and drag my folders to another external hard drive one by one.

It took a few days because it was a 3T, but I was able to copy everything. Hope this helps! I had a mac-system Volume not showing up in Disk-Util any more. Linux was still able to mount my Volume.

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This always works for me. You can get the latest version from GitHub. Just download the.

Your drive is not mounting because the file system is corrupted and it is not seeing it as a valid file system. Most likely, your drive has or is in the process of failing. My suggestion is to use a tool like DiskDrill 's free tools to see if there is anything recoverable. If it is and it makes sense to, then you can purchase a license to recover your data.

Disk file system corrupted, indeed. If the disk is dying or not good anymore is easy to see with a tool. Download DriveDx from binaryfruit.

How to fix an external disk drive that won't show up on a Mac

Test the disk. I have solved this issue by moving everything in the hard drive to another computer. Formatting the hard drive and moving everything back. If you're having the same problem Ariel's solution sounds reasonable. Let me know if that works out so I can accept it as the solution.

Helpful answers

I had the same problem and I used this solution that I found here: Just a word of caution - this solution involves erasing the drive, so please read the entire article before you take any action with your hard drive! Thank you for your interest in this question. Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site the association bonus does not count. Would you like to answer one of these unanswered questions instead? Home Questions Tags Users Unanswered. I've searched and tried a lot of stuff but still can't get it to work.

Mac internal hard drive won't mount, how to fix?

From terminal writing: I had two drives that I needed to fix that way. They were both fine with Sierra but High Sierra must be doing something different. Dec 18, 7: I don't believe it has anything to do with USB. It doesn't work for me when using both USB and Thunderbolt. High Sierra is deemed one of the worst OSX updates in Apple's history and it could be simply just a lack of support for spinning HDD drives and that's why nothing will mount.

How to access an external drive that’s not recognized on a Mac

Dec 25, 5: I have lost so much time and money it's pitiful. Ever since Steve Jobs passed the company is going to the dogs. Get your act together Apple! Nov 12, 9: The problem is the drives don't even show up as USB devices in "System Information", so nothing else in the OS is going to know about it.


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  • How to fix Mac internal hard drive won't mount issue?.

I did check with "Disk Utility" as suggested, and none of the drives are listed, as suspected. I did try creating a Sierra recovery disk, but that did not result in a mounting disk. This makes me wonder whether The 'boot rom version' indicated is MBA B00 and the 'smc version' is 2.

Mac or Macbook can't detect my external drive. Troubleshooting tips.

Mac model is 'MacBookAir6,2'. Jan 1, 4: Once each is recognized you can set Spotlight to default preferences. Page content loaded. Nov 14, 7: Further investigation suggests that maybe the power levels are no longer being negotiated properly these are 2. My reasoning is based on the following: When I plug in the drive straight into the Mac no drive lights appear and it is not even recognised as a USB device, when checked via "System Information".

External Drive Troubleshooting – Mac | WD Support

Nov 15, 6: Dec 20, 1: My Toshiba Canvio is connected in System Information but doesn't mount. All of my research so far seems to agree it is due to the files system change. I always wonder what will stop when I accept these updates. Hope a fix emerges soon. Dec 24, 1: Connected my external HD and it was recognized in finder. Dec 27, 2: Thought I was screwed by High Sierra.

No more OS updates for me. Dec 31, Mine appears to power up but LED is a different colour to normal. Disc is spinning but no access at all.

mac os external hard drive wont mount Mac os external hard drive wont mount
mac os external hard drive wont mount Mac os external hard drive wont mount
mac os external hard drive wont mount Mac os external hard drive wont mount
mac os external hard drive wont mount Mac os external hard drive wont mount
mac os external hard drive wont mount Mac os external hard drive wont mount
mac os external hard drive wont mount Mac os external hard drive wont mount

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