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How to fix com apple DiskManagement disenter error 49218?

I have a brand new OWC Elektron SSD. Formatted as APFS encrypted. 2nd time using it to back up my hard drive with Carbon Copy Cloner resulted in multiple errors. Now the drive will not mount. Using Disk Utility I get the error: com.apple.DiskManagement disenter error 49218 Also from disk utility First Aid: Checking file system and repairing if necessary and if possible. Volume is already unmounted... File system verify or repair failed. : (-69845) Operation failed… This has been reported by others here but no solutions. Any thoughts? Thank you.

Best Answered by

iBoysoft author Anna Yuan

Anna Yuan

Answered on Monday, July 10, 2023

The com.apple.DiskManagement.disenter 49218 error usually occurs when you click the Mount option in Disk Utility. It means that there may be some problems on the SSD and you can't access photos, videos, documents, or other files on the external hard drive.

When you see the com.apple.DiskManagement.disenter 49218 error appearing on your Mac, using Disk Utility First Aid to repair it at once. And it seems that First Aid failed to resolve the issue and reported an error, then the last fix you can try is to reformat it.

But reformatting will erase all the data on this drive, so it's recommended to recover files from the external drive with a data recovery tool first, here we recommend iBoysoft Data Recovery - a professional external drive data recovery software, capable of recovering files from corrupted external hard drives, SSD, SD cards, and USB drives on Mac.

To recover files from the external SSD that's not mounting on Mac, do the following:

First, free download, install and launch iBoysoft Data Recovery for Mac.

Next, click on Storage Device from the sidebar. From the storage device list, choose the external SSD.

And click Search for Lost Data to scan all files on it. And select all the files you need and click the 'Recover' button to recover the wanted files.

After successfully recovering data from the external SSD encountering the com.apple.DiskManagement.disenter error, you can format the external drive on Mac. Reconnecting the external drive again after reformatting, it should be mounted in the Mac Disk Utility correctly


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