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My hard drive is not mounting and I am not able to access any file. It gives the following error message.

Error mounting: mount exited with exit code 13: ntfs_attr_pread_i: ntfs_pread failed: Input/output error
Failed to read NTFS $Bitmap: Input/output error
NTFS is either inconsistent
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1 Answer 1

This is due to fragmentation problem of the NTFS partition. Since this is a forum for Ubuntu you can try to solve this from Ubuntu with the ntfsprogs programs (you might already have this installed otherwise: sudo apt-get install ntfsprogs). It includes a command to check NTFS.

ntfsck /dev/sdb1

Where I assume sdb1 is your disc (so you might need to change that).

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