Cannot mount external hard drive mac os x

How to Mount a Drive from the Command Line on Mac

The common issue is Ext2- and Ext3-formatted drives are not readable on macOS. The easiest would be installing Linux to a secondary drive or virtual machine.

  1. 1. Change the Finder settings.
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If you go with Linux installation, dual boot your Mac with Linux on another drive and use FAT32 as a transfer intermediary. Basically, it works as an extra interface enabling file system access via specially installed modules. Employ the handy all-powerful Terminal, which always comes forward with solutions for difficult problems.

How to force a Hard Drive to unmount for formatting in Mac OS X Disk Utility

Console shows if an external drive or any error is detected under the Errors and Faults tab. If no errors show up, then the problem is not caused by the device. To sum up, there are lots of potential solutions for a Mac not reading an external hard drive. If we were to pick one, Disk Drill seems to be the most well-rounded, offering plenty of customizations and power in an easy-to-use interface. Start with the basics: Check whether the drive is properly plugged in. Faulty cable. Try connecting the same device with a different cable.

How to Unmount a Drive from Command Line on Mac

Damaged USB or flash drive port. It could be a hardware issue with the Mac. Reboot your Mac. Hopefully, some data damage that can be fixed by restarting.

Troubleshooting external hard drives that will not mount - CNET

Or press and hold the power button and, when a dialog box appears, click the Restart or press R. Incorrectly formatted drive. Not every external drive is optimized for Macs. It could be that you are trying to connect something only fit to interact with Windows devices. See if the external drive shows up here. For more information, go to the same menu option, then select System Report. Mac not formatted to display external drives on the desktop.

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Even if that is the case, the drive will still appear in the left-hand column of the Finder menu under Devices. To do this, shut down or restart your Mac, switch it back on and immediately press these four keys together for at least 20 seconds: Option, Command, P, and R. It should look as though your Mac has started again; if it has, release the keys when you hear the second startup chime. Hopefully, the hard drive has shown up now. Disk Utility is within System Preferences, or you can find it using Spotlight.

If it is visible, then click the option to Mount, which should make it visible on the desktop and in the External Drives option in the Finder menu. From General tab tick External disks to ensure that from now on it shows on the desktop. How to add cloud storages to Finder You can also mount cloud storage as local drive on your Mac. Repair the failed external drives with First Aid If your drive is having problems, you can try to fix them yourself with First Aid and therefore get access to your files. How to recover data from a crashed drive Thankfully, there is an app for that.

Quit all other applications on the Mac, especially those that may be trying to access the external drive e. Click on the external drive that you are trying to recover files from. If it has partitions, you will see all of them. To avoid the external drive being accessed during the recovery process, click Extras next to the drive or drive partition or file, then select Remount Volume As Read Only. A padlock will appear, protecting the drive during the process.

Fixing an external hard drive that’s not showing up on Mac

Now click Rebuild or Recover next to the file s you are trying to recover. Once the scan is finished - it may take some time if the files are large - a list of files will appeal. Next, click Mount Found Items as Disk button on the bottom-left below the scan results. Saving to the same drive substantially lowers your chances of recovery. I use a RAID 5 solution.

Part 1. Fix USB Flash Drive Not Showing Up on Mac

If you want to try to salvage your drive I would recommend you do a complete wipe and restore your data. I would still be cautious on depending on it. Hey Dan. I got another hard drive and I am currently imaging the WD hard drive just in case. I download software from Ontrack and it seems that it can "fix" my hd, but I am still waiting for the imaging to be complete it turns out it takes awhile to copy 2TB.

I will check Drive Genius but it seems similar to Ontrack's solution. Thanks for the comments! I bought their Data Rescue software and I was able to recover all files from the hard drive, and keep their folder structure which was something some other softwares wouldn't do. I wonder if there was a way to "repair" the drive so that I could avoid copying the files over, then formatting the drive that had the logical error, and copying them back.

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Cannot mount on Mac

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