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[OSX HELP] sd card not recognised by computer


shiika
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As the title suggests, my sd card has suddenly stopped working. One minute I take it out, and 20 minutes later I replug it into the machine and the card cannot be read. In disk utility, it is recognised, and can see that it's read/write, but the sd card cannot be partitioned or dealt with. From terminal, I use "diskutil list", and it recognises the sd card, but it says nothing under "TYPE NAME". When I try to format/partition the sd card it hangs on "waiting for disks to reappear...". It is not the micro sd reader as I tested it with another computer & another sd card which both worked. I really need help on how I am to fix this micro sd card.

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  • 3 weeks later...

I had the same issue, so I send a message to the commercial support and they sent me a new one.

You should be careful when you plug the reader into the usb port:

-is the sd card fully inserted in the reader ? When I say fully i mean it.

-is the reader fully inserted in the usb port ? Same here

Also, don't be scared of waiting 4-5 minutes, sometimes it takes time to read the card.

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  • 2 weeks later...

Is it still true that it takes a LONG time for the card to recognize?

EDIT>>

I waited more than an Hour and Nothing recognized on my mac. pulled up a Windows VM and after 20 minutes it still does not see it. I think I may have a non functional adapter.

Edited by BobH
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adapter should be straight through? so i would rule out the adapter, if you don't unmount the card correctly it can use errors.

Use the disk-utility app(gui) to reformat the card as FAT32 or MSDOS, and unmount the card unmount/diskutil (or even finder). Hopefully your card should spring back to life. All else fails try another micro-sdcard their pretty cheap these days.

~snake

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  • 2 weeks later...

I agree with everything snake said. If all those dont work.worse case scenario is that youll need to get an new micro sd at the store. For under 15$ depending on the size you get. Shouldnt need alot of space. I use a 4GB and thd 128 mb that came with my exfiltrator

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