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Old 05-02-2012, 12:50 PM   #1
mintypu
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Can't boot ubuntu


Hi I am kinda new to ubuntu and I have the 12.04 version installed. When I tried to boot up it won't and I got some error messages. so I decided to google for help and use to live cd to boot up only to realize that my hard drive won't even mount and I got this message
Unable to mount File system
Error mounting: mount: wrong fs type, bad option, bad superblock on /dev/sda1,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so

so I tried the dmesg | tail and I got this message

dmesg|tail
[ 2513.784349] sd 3:0:0:0: [sda] Sense Key : Medium Error [current] [descriptor]
[ 2513.784358] Descriptor sense data with sense descriptors (in hex):
[ 2513.784362] 72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00
[ 2513.784379] 12 87 1d 5e
[ 2513.784387] sd 3:0:0:0: [sda] Add. Sense: Unrecovered read error - auto reallocate failed
[ 2513.784399] sd 3:0:0:0: [sda] CDB: Read(10): 28 00 12 87 1d 28 00 00 40 00
[ 2513.784416] end_request: I/O error, dev sda, sector 310844766
[ 2513.784423] Buffer I/O error on device sda1, logical block 38855339
[ 2513.784430] Buffer I/O error on device sda1, logical block 38855340
[ 2513.784452] ata4: EH complete
I am stuck here and do not know what is going on can any one help me out. thank you in advance
 
Old 05-02-2012, 10:01 PM   #2
towheedm
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Seems you have an unrecoverable read error /dev/sda1. Probably an HD failure. Did you try fsck from the LiveCD?
 
Old 05-03-2012, 05:35 PM   #3
mintypu
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yes I tried fsck but that did not work I repaired the bad sectors with HDTA2 but now when I try to boot up it is saying no operating system found. how can I get pass this
 
Old 05-03-2012, 06:28 PM   #4
towheedm
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Quote:
Originally Posted by mintypu View Post
yes I tried fsck but that did not work I repaired the bad sectors with HDTA2 but now when I try to boot up it is saying no operating system found. how can I get pass this
Is this when the system tries to load the bootloader after the BIOS tests or when GRUB tries to load the kernel?
 
Old 05-03-2012, 06:39 PM   #5
mintypu
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I solved the issue after fixing the bad sectors (which I rate HDTA2 it is a great tool) I used the live cd and mounted the hd the repaired the grub and it worked fine without I having to do clean install and my hd reads healthy thanks everyone
 
Old 05-04-2012, 06:32 AM   #6
Mark1986
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Please put the topic on [SOLVED]

And thank you for the solution, it may help someone in the future!
 
  


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