Here is output of boot_info_script:
Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================
=> Grub 2 is installed in the MBR of /dev/sda and looks on the same drive in
partition #6 for /boot/grub.
=> No boot loader? is installed in the MBR of /dev/sdb
sda1: __________________________________________________ _______________________
File system: vfat
Boot sector type: Grub 2
Boot sector info: Grub 2 is installed in the boot sector of sda1 and
looks at sector 673419277 of the same hard drive for
core.img, but core.img can not be found at this
location. No errors found in the Boot Parameter Block.
Operating System:
Boot files/dirs: /COMMAND.COM
sda2: __________________________________________________ _______________________
File system: ntfs
Boot sector type: Grub 2
Boot sector info: Grub 2 is installed in the boot sector of sda2 and
looks at sector 721783733 of the same hard drive for
core.img, but core.img can not be found at this
location. No errors found in the Boot Parameter Block.
Operating System:
Boot files/dirs:
sda3: __________________________________________________ _______________________
File system: ntfs
Boot sector type: Grub 2
Boot sector info: Grub 2 is installed in the boot sector of sda3 and
looks at sector 666310581 of the same hard drive for
core.img, but core.img can not be found at this
location. No errors found in the Boot Parameter Block.
Operating System: Windows Vista
Boot files/dirs: /bootmgr /Boot/BCD /Windows/System32/winload.exe
sda4: __________________________________________________ _______________________
File system: Extended Partition
Boot sector type: -
Boot sector info:
sda5: __________________________________________________ _______________________
File system: swap
Boot sector type: -
Boot sector info:
sda6: __________________________________________________ _______________________
File system: ext4
Boot sector type: Grub 2
Boot sector info: Grub 2 is installed in the boot sector of sda6 and
looks at sector 667624669 of the same hard drive for
core.img, but core.img can not be found at this
location.
Operating System: Ubuntu 10.04 LTS
Boot files/dirs: /boot/grub/grub.cfg /etc/fstab /boot/grub/core.img
sdb1: __________________________________________________ _______________________
File system: vfat
Boot sector type: Grub 2
Boot sector info: Grub 2 is installed in the boot sector of sdb1 and
looks at sector 667798317 of the same hard drive for
core.img, but core.img can not be found at this
location. No errors found in the Boot Parameter Block.
Operating System:
Boot files/dirs:
=========================== Drive/Partition Info: =============================
Drive: sda ___________________ __________________________________________________ ___
Disk /dev/sda: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
Partition Boot Start End Size Id System
/dev/sda1 63 96,389 96,327 de Dell Utility
/dev/sda2 98,304 21,069,823 20,971,520 7 HPFS/NTFS
/dev/sda3 * 21,069,824 651,964,300 630,894,477 7 HPFS/NTFS
/dev/sda4 651,965,895 976,768,064 324,802,170 5 Extended
/dev/sda5 963,707,283 976,768,064 13,060,782 82 Linux swap / Solaris
/dev/sda6 651,966,021 963,707,219 311,741,199 83 Linux
Drive: sdb ___________________ __________________________________________________ ___
Disk /dev/sdb: 4127 MB, 4127195136 bytes
16 heads, 32 sectors/track, 15744 cylinders, total 8060928 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
Partition Boot Start End Size Id System
/dev/sdb1 32 8,060,927 8,060,896 c W95 FAT32 (LBA)
blkid -c /dev/null: __________________________________________________ __________
Device UUID TYPE LABEL
/dev/sda1 07D7-0C1A vfat DellUtility
/dev/sda2 286CD9C46CD98CC6 ntfs RECOVERY
/dev/sda3 56DEAF22DEAEF97F ntfs OS
/dev/sda4: PTTYPE="dos"
/dev/sda5 0e67c759-dbdb-4947-a1a3-44270043e61d swap
/dev/sda6 c807aa65-9767-4a8f-8bcc-e2b65934d59c ext4
/dev/sda: PTTYPE="dos"
/dev/sdb1 vfat SPINRITE V6
/dev/sdb: PTTYPE="dos"
error: /dev/sdc: No medium found
error: /dev/sdd: No medium found
error: /dev/sde: No medium found
error: /dev/sdf: No medium found
error: /dev/sdg: No medium found
============================ "mount | grep ^/dev output: ===========================
Device Mount_Point Type Options
/dev/sda6 / ext4 (rw,errors=remount-ro)
/dev/sda3 /media/OS fuseblk (rw,nosuid,nodev,allow_other,blksize=4096)
/dev/sdb1 /media/SPINRITE V6 vfat (rw,nosuid,nodev,uhelper=udisks,uid=1000,gid=1000, shortname=mixed,dmask=0077,utf8=1,flush)
=========================== sda6/boot/grub/grub.cfg: ===========================
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by /usr/sbin/grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#
### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
load_env
fi
set default="4"
if [ ${prev_saved_entry} ]; then
set saved_entry=${prev_saved_entry}
save_env saved_entry
set prev_saved_entry=
save_env prev_saved_entry
set boot_once=true
fi
function savedefault {
if [ -z ${boot_once} ]; then
saved_entry=${chosen}
save_env saved_entry
fi
}
function recordfail {
set recordfail=1
if [ -n ${have_grubenv} ]; then if [ -z ${boot_once} ]; then save_env recordfail; fi; fi
}
insmod ext2
set root='(hd0,6)'
search --no-floppy --fs-uuid --set c807aa65-9767-4a8f-8bcc-e2b65934d59c
if loadfont /usr/share/grub/unicode.pf2 ; then
set gfxmode=640x480
insmod gfxterm
insmod vbe
if terminal_output gfxterm ; then true ; else
# For backward compatibility with versions of terminal.mod that don't
# understand terminal_output
terminal gfxterm
fi
fi
insmod ext2
set root='(hd0,6)'
search --no-floppy --fs-uuid --set c807aa65-9767-4a8f-8bcc-e2b65934d59c
set locale_dir=($root)/boot/grub/locale
set lang=en
insmod gettext
if [ ${recordfail} = 1 ]; then
set timeout=-1
else
set timeout=10
fi
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/05_debian_theme ###
set menu_color_normal=white/black
set menu_color_highlight=black/light-gray
### END /etc/grub.d/05_debian_theme ###
### BEGIN /etc/grub.d/10_linux ###
menuentry 'Ubuntu, with Linux 2.6.31-19-generic-pae' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
insmod ext2
set root='(hd0,6)'
search --no-floppy --fs-uuid --set c807aa65-9767-4a8f-8bcc-e2b65934d59c
linux /boot/vmlinuz-2.6.31-19-generic-pae root=UUID=c807aa65-9767-4a8f-8bcc-e2b65934d59c ro quiet splash
initrd /boot/initrd.img-2.6.31-19-generic-pae
}
menuentry 'Ubuntu, with Linux 2.6.31-19-generic-pae (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
insmod ext2
set root='(hd0,6)'
search --no-floppy --fs-uuid --set c807aa65-9767-4a8f-8bcc-e2b65934d59c
echo 'Loading Linux 2.6.31-19-generic-pae ...'
linux /boot/vmlinuz-2.6.31-19-generic-pae root=UUID=c807aa65-9767-4a8f-8bcc-e2b65934d59c ro single
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-2.6.31-19-generic-pae
}
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/20_memtest86+ ###
menuentry "Memory test (memtest86+)" {
insmod ext2
set root='(hd0,6)'
search --no-floppy --fs-uuid --set c807aa65-9767-4a8f-8bcc-e2b65934d59c
linux16 /boot/memtest86+.bin
}
menuentry "Memory test (memtest86+, serial console 115200)" {
insmod ext2
set root='(hd0,6)'
search --no-floppy --fs-uuid --set c807aa65-9767-4a8f-8bcc-e2b65934d59c
linux16 /boot/memtest86+.bin console=ttyS0,115200n8
}
### END /etc/grub.d/20_memtest86+ ###
### BEGIN /etc/grub.d/30_os-prober ###
menuentry "Windows Recovery Environment (loader) (on /dev/sda3)" {
insmod ntfs
set root='(hd0,3)'
search --no-floppy --fs-uuid --set 56deaf22deaef97f
drivemap -s (hd0) ${root}
chainloader +1
}
### END /etc/grub.d/30_os-prober ###
### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries. Simply type the
# menu entries you want to add after this comment. Be careful not to change
# the 'exec tail' line above.
### END /etc/grub.d/40_custom ###
=============================== sda6/etc/fstab: ===============================
# /etc/fstab: static file system information.
#
# -- This file has been automaticly generated by ntfs-config --
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc defaults 0 0
# Entry for /dev/sda6 :
UUID=c807aa65-9767-4a8f-8bcc-e2b65934d59c / ext4 errors=remount-ro 0 1
# Entry for /dev/sda5 :
UUID=0e67c759-dbdb-4947-a1a3-44270043e61d none swap sw 0 0
/dev/scd0 /media/cdrom0 udf,iso9660 user,noauto,exec,utf8 0 0
/dev/sda3 /media/OS ntfs-3g defaults,locale=en_US.UTF-8 0 0
=================== sda6: Location of files loaded by Grub: ===================
341.9GB: boot/grub/core.img
334.5GB: boot/grub/grub.cfg
335.3GB: boot/initrd.img-2.6.31-19-generic-pae
335.3GB: boot/vmlinuz-2.6.31-19-generic-pae
335.3GB: initrd.img
335.3GB: vmlinuz
=======Devices which don't seem to have a corresponding hard drive==============
sdc sdd sde sdf sdg