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Suddenly, when trying to access one of my local HDD, I get this error:

Error mounting /dev/sdb1 at /media/j/STORAGE2: Command-line `mount -t "ext4" -o "uhelper=udisks2,nodev,nosuid" "/dev/sdb1" "/media/j/STORAGE2"' exited with non-zero exit status 32: mount: wrong fs type, bad option, bad superblock on /dev/sdb1,
       missing codepage or helper program, or other error
       In some cases useful info is found in syslog - try
       dmesg | tail  or so

I am just a low-level Ubuntu user.

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And where is the info after you have run dmesg | tail command? –  Radu Rădeanu Apr 16 '14 at 10:19
j@j-RC415T-M2:~$ dmesg | tail [ 1072.289605] blk_update_request: 47 callbacks suppressed [ 1072.289608] end_request: I/O error, dev sdb, sector 65 [ 1072.289625] EXT4-fs (sdb1): unable to read superblock [ 1344.768110] sd 3:0:0:0: [sdb] Unhandled error code [ 1344.768117] sd 3:0:0:0: [sdb] [ 1344.768121] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 1344.768124] sd 3:0:0:0: [sdb] CDB: [ 1344.768127] Read(10): 28 00 00 00 00 41 00 00 02 00 [ 1344.768140] end_request: I/O error, dev sdb, sector 65 [ 1344.768157] EXT4-fs (sdb1): unable to read superblock –  user245977 Apr 16 '14 at 10:21
Please also add the output of sudo parted -l. Unfortunately though, it looks like your hard disk died. –  terdon Apr 16 '14 at 10:27
@user245977 Try to edit your Q and put your comment there in a good format. I'm not going to bother me to understand something from your unreadeble comment. –  Radu Rădeanu Apr 16 '14 at 10:30
I am sorry but don't know how to post it in a "proper" way. Here it is a snapshot ubuntuone.com/54BqcFporBoql6QxkLMcgs –  user245977 Apr 16 '14 at 10:41

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