On Sun, 27 May 2018 17:45:01 -0400, Paul
wrote:

If I was doing that here, I'd probably "image" the SD
to a file and work on the "image" rather than the SD
itself.

Why I recommended using PassMark's portable tool to make a
backup byte by byte image before trying anything else.

https://www.osforensics.com/tools/write-usb-images.html

You can write it back to the card (or another one if the first
one is failing) without messing up the original. I've never tried
mounting the image, but it should be possible.
[]'s
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