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logan71 Author

Level 1

5 points

Seagate external hard drive not mounting on iMac runner IOS Ventura, 13.3.

I've had to drive for a while now and it was working perfectly until one morning last week where I woke up and it just stopped working.

The Seagate external hard drive will not show up. It appears in the disk utility but I can not access the files. I get the following error message when it tries mounting.

Could not mount “Seagate Backup Plus Drive”. (com.apple.DiskManagement.disenter error 49153.)

Can someone help me so I don't lose all the files that are on the external hard drive?

Thanks!

Posted on Apr 6, 2023 10:05 PM

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3 replies

Ronasara

Level 6

15,043 points

Apr 7, 2023 2:30 PM in response to logan71

I suggest first restarting the computer in the Safe Mode. Hold down the Shift key on startup. See if that helps. If not, you may have a disk that has failed. Eventually they all do. That is why we must do backups.

logan71 Author

Level 1

5 points

Apr 7, 2023 2:55 PM in response to Ronasara

Thank you for your reply but unfortunately, that did not work. The funny thing is that if I connect to the drive to my MacBook Pro, that is not running in Ventura. The drive shows up all the files are there and it's working perfectly, but as soon as I connected to my iMac with, Ventura, 13.3. It doesn't show up it says that it has an error the one that I mentioned before. It completely baffles me. I just had to buy a new drive. I copied all the files across via my MacBook Pro and now I am erasing the drive and formatting. I did it really quickly just as a test and after formatting, it shows up perfectly. So now what I'm doing is I'm doing an extensive erase process and format just to be sure everything has gone.

tbirdvet

Level 6

14,423 points

Apr 7, 2023 4:12 PM in response to logan71

Be sure to format APFS

Seagate external hard drive not mounting on iMac runner IOS Ventura, 13.3.