External drive partition doesn't appear in finder

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17 points

External drive partition doesn't appear in finder

I have a WD external HD drive with 2 partitions. One of them is dedicated to my TM and the other is used for storing files. Lately, only the TM partition shows up in my finder and I have no access to the other one, though in disc utility, both appear mounted. I have tried to restart, to unmount and remount the partition, as well as the entire HD drive. I ran first aid in DU and I've also tried using different USB ports.

Nothing makes a difference.

Any ideas?

Thanks!!!

iMac 27″ 5K, macOS 10.15

Posted on Nov 23, 2020 6:01 AM

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Answer 1

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dndn Author

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17 points

Nov 24, 2020 5:48 AM in response to dndn

Thanks for you help. I was able to solve the problem on my own, so no need to change the topic, but I highly appreciate your kind offer!

My solution:

I selected the volume that did appear in Finder (the TM backup volume) and pressed eject.

After it was successfully ejected, the finder window displayed the other volumes that were still mounted, and the missing volume appeared on that list. I dragged it to the left side of the finder window and now it's there.

After I copy what's on it to the internal drive, I try to restart and see if it's still there... but even if it isn't, now I'll know how to access it in the future.

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Answer 2

dndn Author

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17 points

Nov 24, 2020 5:10 AM in response to BDAqua

Thank you!

Yes, I'd appreciate it if you can have my post moved to the topic of Catalina.

And Yes, "External disks" is checked - therefore the TM partition appears in Finder, only the second partition, which is on the same HD doesn't appear.

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Answer 3

dndn Author

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17 points

Nov 23, 2020 6:07 AM in response to dndn

I'm actually using Catalina, if it makes any difference. Don't know how to edit my post (or how to delete my previous post - is that at all possible?)

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