Thread: Natty wont boot after a forced restart

hi
using firefox on natty 11.04 when firefox started think......

screen went darker .... whole system froze,,,, causing me hit restart button

on restart famous black screen ,,,,,, , nothing

in install cd

, following error messages ( see below )

how can restore partition. (sda3 have bootable 11.04

kind regards

stephen..


error mounting: mount: wrong fs type, bad option, bad superblock on /dev/sda3,
missing codepage or helper program, or other error
in cases useful info found in syslog - try
dmesg | tail or so






run command administrator (user "root"), use "sudo <command>".
see "man sudo_root" details.

caelinux@caelinux:~$ dmesg | tail or so
tail: cannot open `or' reading: no such file or directory
tail: cannot open `so' reading: no such file or directory
caelinux@caelinux:~$ dmesg | tail
[ 557.420406] descriptor sense data sense descriptors (in hex):
[ 557.420409] 72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00
[ 557.420421] 62 d0 9d 98
[ 557.420426] sd 1:0:0:0: [sda] add. sense: unrecovered read error - auto reallocate failed
[ 557.420432] sd 1:0:0:0: [sda] cdb: read(10): 28 00 62 d0 9d 6e 00 01 00 00
[ 557.420443] end_request: i/o error, dev sda, sector 1657839000
[ 557.420465] ata2: eh complete
[ 557.420486] jbd: failed read block @ offset 2956
[ 557.420492] jbd: recovery failed
[ 557.420494] ext4-fs (sda3): error loading journal
caelinux@caelinux:~$ sudo fdisk -l

disk /dev/sda: 1000.2 gb, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders
units = cylinders of 16065 * 512 = 8225280 bytes
sector size (logical/physical): 512 bytes / 512 bytes
i/o size (minimum/optimal): 512 bytes / 512 bytes
disk identifier: 0x000156c7

device boot start end blocks id system
/dev/sda1 1 72326 580958563+ 83 linux
/dev/sda2 118614 121601 24001079+ 5 extended
/dev/sda3 * 87775 118613 247714267+ 83 linux
/dev/sda4 72327 87774 124086060 83 linux
/dev/sda5 118614 121601 24001078+ 82 linux swap / solaris

partition table entries not in disk order
caelinux@caelinux:~$

what happens when try scan disk errors?

code:

sudo fsck /dev/sda3

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