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I have a SD-Card and it doesn't work anymore. If I enter dmesg, this console will show this:

[  646.467407] mmc0: new SD card at address d555
[  646.468578] mmcblk0: mmc0:d555 SD032 30.6 MiB 
[  646.474167]  mmcblk0: unknown partition table

It shows, that the card has 30.6 MiB, but it has 32 GB. I cannot create a partition and with testdisk could not repair this. testdisk "thinks" it the card has only 972 cylinders.

The damage happens, after I have written a Raspbian image on the card.

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  • It simply need all partitions to be removed.
  • Create New Primary Partition and Format it with All O's.
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  • How can i remove all partitions? Linux just sees the 32 MiB, not the complete sd drive. And if i want to create a new primary partition, i just could do this on the 32 MB and i get errors. – user116522 May 23 '15 at 18:07
  • Well.. I'm compatible only with Ubuntu and DOS.. If you have one of them, then only I can tell the Process.. – user388229 May 23 '15 at 18:09
  • I have Ubuntu.. – user116522 May 23 '15 at 18:14
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Then..
Goto Bash..
Search "Disks" and Open it..
.
Select Memory card.. You'll be able to see that 32MB is used and rest is
Free Memory..
.
Clear the used memory( i.e. 32MB)
.
You'll be with all free space in Memory card..
.
Now Format it.. With all 0's..

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  • Welcome to the site, Please read Tour of site for answer/question. – PersianGulf May 23 '15 at 18:41
  • It doesn't work :(. In Disks i see, that my sd card only has 32 MB with format: "unknown". Format with zeros doen't help. I got the message: "Error synchronizing after formatting with type `dos': Timed out waiting for object (udisks-error-quark, 0)" – user116522 May 23 '15 at 21:13
  • Are you able to see Free Space of your Memory Card. Well, If yes, then only my method will help else not. – user388229 May 24 '15 at 0:49
  • No, i'm not able to see Free Space. – user116522 May 24 '15 at 10:25

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