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Windows fsck ext49/17/2023 ![]() Now lets find where your superblock backups are kept. Is corrupt, and you might try running e2fsck with an alternate superblock: e2fsck -b 8193 If the device is valid and it really contains an ext4įilesystem (and not swap or ufs or something else), then the superblock The superblock could not be read or does not describe a correct ext4įilesystem. trying backup blocks.įsck.ext4: Bad magic number in super-block while trying to open /dev/sdb1 If your superblock is corrupt, the output will look like this fsck /dev/sdb1įsck.ext4: Group descriptors look bad. Here, you can change ext4 to ext3, or ext2 to suit the filesystem. Now, make sure your superblock is the problem, by starting a filesystem check, replacing sdX with your partition name. For this though, we just need the partition number, such as /dev/sda3 or /dev/hdb1. ![]() Testdisk is included in Parted Magic, and there’s a great guide on their site. To recover a lost partition, your going to need Testdisk. The above will list all the partitions on all the drives in your computer. ![]()
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