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I am unable to format my SDXC card. I have tried all the ways I could come up with, including but not limited to;

  • mac disk utility:
    • verify + repair disk
    • Erase partition (zero out, 3 pass, 7 pass)
    • Create new partition table (both with mbr and GUID)

screenshot:

enter image description here

  • terminal:
    • sudo rm -rf /Volumes/untitled/*

Then I isolated the problem to my music folder. In the folder I've found out there are files with illegal characters as file names. So I used the mv command and various apps that help rename files but each time I erase them and unmount whenever I mount the files come back.

screenshot:

enter image description here

What am I doing wrong?

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1 Answer 1

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We also tried dd to zero out the entire sd card from an ubuntu live cd but to no avail.

I've henceforth called the sd card 'broken' and its now stuck to a balloon and will be released this weekend to float freely and die upon impact on the ground/sea. The little bugger wont be missed.

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