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View Full Version : [SOLVED] Grub error 15 with external drive



alcidespinto
November 8th, 2009, 08:02 PM
I'm a newbie, so please try avoid hard technical stuff.

I recently installed Xubuntu in my USB external HD, keeping WinXP in my laptop internal HD. However, when I try to boot from the USB, I get Grub error 15.

Here is some revelant data:

Disk /dev/sda: 60.0 GB, 60011642880 bytes
255 heads, 63 sectors/track, 7296 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0xd744d744

Device Boot Start End Blocks Id System
/dev/sda1 * 1 6020 48355618+ 7 HPFS/NTFS
/dev/sda2 6021 7295 10241437+ f W95 Ext'd (LBA)
/dev/sda5 6021 7295 10241406 7 HPFS/NTFS

Disk /dev/sdb: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x0c4b9758

Device Boot Start End Blocks Id System
/dev/sdb1 * 1 57477 461683971 7 HPFS/NTFS
/dev/sdb2 57478 60801 26700030 5 Extended
/dev/sdb5 57478 57732 2048256 82 Linux swap / Solaris
/dev/sdb6 57733 60801 24651711 83 Linux

File menu.lst (part of the file):

title Ubuntu 9.04, kernel 2.6.28-11-generic
uuid d444a31c-966f-44bf-834c-9e665f83187a
kernel /boot/vmlinuz-2.6.28-11-generic root=UUID=d444a31c-966f-44bf-834c-9e665f83187a ro quiet splash
initrd /boot/initrd.img-2.6.28-11-generic
quiet

title Ubuntu 9.04, kernel 2.6.28-11-generic (recovery mode)
uuid d444a31c-966f-44bf-834c-9e665f83187a
kernel /boot/vmlinuz-2.6.28-11-generic root=UUID=d444a31c-966f-44bf-834c-9e665f83187a ro single
initrd /boot/initrd.img-2.6.28-11-generic

title Ubuntu 9.04, memtest86+
uuid d444a31c-966f-44bf-834c-9e665f83187a
kernel /boot/memtest86+.bin
quiet

File fstab:

# /etc/fstab: static file system information.
#
# Use 'vol_id --uuid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc defaults 0 0
# / was on /dev/sdb6 during installation
UUID=d444a31c-966f-44bf-834c-9e665f83187a / ext3 relatime,errors=remount-ro 0 1
# swap was on /dev/sdb5 during installation
UUID=01a1fdd4-6921-4ced-9243-e72735225d6e none swap sw 0 0
/dev/scd0 /media/cdrom0 udf,iso9660 user,noauto,exec,utf8 0 0

I read many posts and tried many solutions, but until now none solved my problem.
Please help me. I want to use Ubuntu.