this post was submitted on 27 Jul 2023
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Impossible to read microSD card (lemmy.world)
submitted 1 year ago by djtech@lemmy.world to c/linux@lemmy.ml
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Hello everybody,

I'm trying to read a (probably damaged) microSD card from my computer (tried with two different computers, both Arch Linux, which can read other card without any problems). There isn't any singal of life (no /dev/sdX, nothing with GParted, testdisk, ...); the only thing that I found was in dmesg. Here's the output of sudo dmesg | rg "mmc0":

Any idea on how to resolve?

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[–] piranhaphish@lemmy.world 3 points 1 year ago

Try putting it in the freezer for a few minutes before trying to read the data. Or heat it up slightly.

This is an old trick I've used to recover data from a hard drive or two. I suppose it could help if the problem with the SD is some kind of microscopic fractures.

It should be emphasized that this is just a temporary workaround at best.