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You are here: MacNN Forums > Software - Troubleshooting and Discussion > Mac OS X > Recover of files from bad SanDisk Memory Card

Recover of files from bad SanDisk Memory Card
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Join Date: Dec 2012
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Dec 21, 2012, 06:02 PM
 
I have a SanDisk Ultra 8GB SDHC 15MB/s Class 4 memory card that suddenly stopped working. When I insert it into the memory slot on my macbook pro it gets registered under /dev/disk1s1 put cannot mount. If I try mounting it with the following command:

mount /dev/disk1s1 /Volumes/SDDisk

I get the error: incorrect super block

If it try the alternate/backup super block with the command

fsck -b 32 /dev/disk1s1

I get the error:

Alternate super block location: 32
** /dev/rdisk1s1
BAD SUPER BLOCK: MAGIC NUMBER WRONG

I am looking to recover any data on the card. Any ideas?
     
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Join Date: Jun 2000
Location: California
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Dec 22, 2012, 12:25 PM
 
Disk Warrior is good at recovering files, but with both superblocks bad you're likely looking at more serious recovery with Data Rescue.

Download the demo, let it scan your flash drive. Maybe it can detect the lost files.

How important are they? Important enough to spend money recovering?
     
   
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