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windows do not boot after updating ubuntu

hello. i just updated ubuntu and now at the boot menu, when i choose windows xp they start booting but just before they reach the point where you sellect the user, they reboot. i also noticed that ubuntu does not recognize the "c" drive where windows are at a seperate partition. they only recognize my second hard drive. any suggestions? please try to keep the reply simple because i am not an expert with the command line (yet). thanx a lot!!!

From a Ubuntu terminal enter these commands and post the results

Code:

sudo fdisk -l

grep -vE "(^#|^\s*$)" /boot/grub/menu.lst

Quote:

Originally Posted by syg00 (Post 3336852)

From a Ubuntu terminal enter these commands and post the results

Code:

sudo fdisk -l

grep -vE "(^#|^\s*$)" /boot/grub/menu.lst

the results are:

Disk /dev/sda: 250.0 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x0b39a00b

Device Boot Start End Blocks Id System
/dev/sda1 * 1 12748 102398278+ 7 HPFS/NTFS
/dev/sda2 12749 30400 141789690 f W95 Ext'd (LBA)
/dev/sda5 12749 30400 141789658+ 7 HPFS/NTFS

Disk /dev/sdb: 80.0 GB, 80026361856 bytes
255 heads, 63 sectors/track, 9729 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0xb41fb41f

Device Boot Start End Blocks Id System
/dev/sdb1 1 3647 29294496 83 Linux
/dev/sdb2 3648 3772 1004062+ 82 Linux swap / Solaris
va@va-desktop:~$ grep -vE "(^#|^\s*$)" /boot/grub/menu.lst
default 0
timeout 10
title windows xp
root (hd0,0)
savedefault
makeactive
chainloader +1
title Ubuntu 8.04.1, kernel 2.6.24-19-generic
root (hd1,0)
kernel /boot/vmlinuz-2.6.24-19-generic root=UUID=2139c417-ffa0-4f53-8cc3-c9761681d8c9 ro quiet splash
initrd /boot/initrd.img-2.6.24-19-generic
quiet
title Ubuntu 8.04.1, kernel 2.6.24-19-generic (recovery mode)
root (hd1,0)
kernel /boot/vmlinuz-2.6.24-19-generic root=UUID=2139c417-ffa0-4f53-8cc3-c9761681d8c9 ro single
initrd /boot/initrd.img-2.6.24-19-generic
title Ubuntu 8.04.1, kernel 2.6.24-16-generic
root (hd1,0)
kernel /boot/vmlinuz-2.6.24-16-generic root=UUID=2139c417-ffa0-4f53-8cc3-c9761681d8c9 ro quiet splash
initrd /boot/initrd.img-2.6.24-16-generic
quiet
title Ubuntu 8.04.1, kernel 2.6.24-16-generic (recovery mode)
root (hd1,0)
kernel /boot/vmlinuz-2.6.24-16-generic root=UUID=2139c417-ffa0-4f53-8cc3-c9761681d8c9 ro single
initrd /boot/initrd.img-2.6.24-16-generic
title Ubuntu 8.04.1, memtest86+
root (hd1,0)
kernel /boot/memtest86+.bin
quiet
va@va-desktop:~$

That looks sane. Please expand on this

Quote:

when i choose windows xp they start booting but just before they reach the point where you sellect the user, they reboot.

Do you see the Windoze splash screen, and the "starting up" screen ???. If so, grub has done it's job and Windows is already booting.
Also , more information about this

Quote:

i also noticed that ubuntu does not recognize the "c" drive where windows are at a seperate partition.

Where are you looking (what tool) and what are you seeing ?.

what version of Ubuntu have you updated to? or was it just a normal synaptic package update? are you using Ubuntu 8.04 or 8.10

Quote:

Originally Posted by bcbotha (Post 3338076)

what version of Ubuntu have you updated to? or was it just a normal synaptic package update? are you using Ubuntu 8.04 or 8.10

I' m using 8.10, but i don't think that the problem was caused because of the update. i will try to install windows inside ubuntu and cancel it as a second os.