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I am running Ubuntu 12.04 on a netbook - Acer AS 1410.

After a download session, I restarted the computer and it said:

error: hd0 out of disk. Press any key to continue...

I pressed everything, but it's just frozen there.

Any idea what's wrong with it and what I can do to fix it? I haven't been able to run my computer at all since it's frozen like that. Help please!

I booted the live cd and ran sudo fdisk -lu into terminal, and here's what it gave me:

Disk /dev/sda: 60.0 GB, 60022480896 bytes
255 heads, 63 sectors/track, 7297 cylinders, total 117231408 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x9a696263

   Device Boot      Start         End      Blocks   Id  System
/dev/sda3            2048   117229567    58613760    5  Extended
/dev/sda5   *    71647232   109039615    18696192   83  Linux
/dev/sda6       109041664   117229567     4093952   82  Linux swap / Solaris
/dev/sda7            4096    71645183    35820544   83  Linux

Partition table entries are not in disk order

I am somewhat of a beginner in this, so don't know what this means. any ideas? Thanks!

share|improve this question
So it doesn't open a command line, it just freezes and you cannot input anything, right? – edwin Jun 23 '13 at 23:54
Boot the livecd and run sudo fdisk -lu and edit your question to show the output. – psusi Jun 24 '13 at 1:47
Try rebooting into recovery mode and select repair packages. – Mitch Jun 24 '13 at 5:35
@edwin , that's right. – rux Jun 24 '13 at 22:35
@mitch , I went into recovery mode, but there was nothing to select, it went into this long analysis, like a ticker tape, until finally it said: "BusyBox v1. 18.5 (Ubuntu 1:1.18.5-1ubuntu4.1) built-in shell (ash) Enter 'help' for a list of built-in commands." I tried typing "dpkg" in it, but it said not found.... I typed in "help" and a long list of commands came up that I have no idea what they do – rux Jun 24 '13 at 22:36

I believe you've upgraded many times, and you have a lot of old linux kernals filling up your grub partition.

I think you're going to have to boot from a live DVD or USB, mount the HDs boot partition, see if it is indeed full, and if that's the case, manually delete a couple of old kernals.

If you haven't got a backup, you might copy your ~/ to a safe place first.

share|improve this answer
This is grub saying that the filesystem extends beyond the end of the disk and thus can not be read, not that it is full. – psusi Jun 24 '13 at 1:48
@marc, how do i mount the HDs boot partition and manually delete kernals? – rux Jun 25 '13 at 21:21

Start with a Live-Usb.

Completed load session:

Open a terminal.

Press Ctrl+Alt+T

Run it:

sudo -i
umount /dev/sda5
fsck -y /dev/sda5
umount /dev/sda6
fsck -y /dev/sda6
mount /dev/sda5 /mnt
mount --bind /dev /mnt/dev 
mount --bind /dev/pts /mnt/dev/pts
mount --bind /proc /mnt/proc
mount --bind /sys /mnt/sys
chroot /mnt
apt-get update
apt-get autoremove
apt-get clean
UNUSCONF=$(dpkg -l|grep "^rc"|awk '{print $2}')
apt-get remove --purge $UNUSCONF
NEWKERNEL=$(uname -r|sed 's/-*[a-z]//g'|sed 's/-386//g')
UNUSKERNELS=$(dpkg -l|awk '{print $2}'|grep -E $ADDKERNEL |grep -vE $METAKERNEL|grep -v $NEWKERNEL)
apt-get remove --purge $UNUSKERNELS
grub-install --root-directory=/mnt /dev/sda
grub-install --recheck /dev/sda
umount /mnt
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