Lets get the script posted it is easier to read. I'm sure it might be important to at least identify if this script was run after the last grub install tries.
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 #5 for (,msdos5)/boot/grub.
=> Syslinux is installed in the MBR of /dev/sdb
sda1: __________________________________________________ _______________________
File system: ntfs
Boot sector type: Windows Vista/7
Boot sector info: No errors found in the Boot Parameter Block.
Operating System: Windows Vista
Boot files/dirs: /bootmgr /Boot/BCD /Windows/System32/winload.exe
sda2: __________________________________________________ _______________________
File system: Extended Partition
Boot sector type: Unknown
Boot sector info:
sda5: __________________________________________________ _______________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System: Ubuntu 10.10
Boot files/dirs: /boot/grub/grub.cfg /etc/fstab /boot/grub/core.img
sda6: __________________________________________________ _______________________
File system: swap
Boot sector type: -
Boot sector info:
sdb1: __________________________________________________ _______________________
File system: vfat
Boot sector type: Unknown
Boot sector info: 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 * 2,048 563,343,454 563,341,407 7 HPFS/NTFS
/dev/sda2 563,345,406 976,773,119 413,427,714 5 Extended
/dev/sda5 563,345,408 964,737,023 401,391,616 83 Linux
/dev/sda6 964,739,072 976,773,119 12,034,048 82 Linux swap / Solaris
Drive: sdb ___________________ __________________________________________________ ___
Disk /dev/sdb: 8002 MB, 8002732032 bytes
255 heads, 63 sectors/track, 972 cylinders, total 15630336 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 * 63 15,628,409 15,628,347 b W95 FAT32
blkid -c /dev/null: __________________________________________________ __________
Device UUID TYPE LABEL
/dev/loop0 squashfs
/dev/sda1 E8B86403B863CE9E ntfs Despierto
/dev/sda2: PTTYPE="dos"
/dev/sda5 58874ff8-7375-498e-b17f-9ea177ad0ef2 ext4
/dev/sda6 2f123ccb-a77a-4861-95cd-1aea9bb1ee36 swap
/dev/sda: PTTYPE="dos"
/dev/sdb1 7AF3-51FB vfat PENDRIVE
/dev/sdb: PTTYPE="dos"
============================ "mount | grep ^/dev output: ===========================
Device Mount_Point Type Options
aufs / aufs (rw)
/dev/sdb1 /cdrom vfat (rw,relatime,fmask=0022,dmask=0022,codepage=cp437, iocharset=iso8859-1,shortname=mixed,errors=remount-ro)
/dev/loop0 /rofs squashfs (ro,noatime)
/dev/sdb1 /mnt vfat (rw)
=========================== sda5/boot/grub/grub.cfg: ===========================
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#
### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
set have_grubenv=true
load_env
fi
set default="0"
if [ "${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 "${boot_once}" ]; then save_env recordfail; fi; fi
}
function load_video {
insmod vbe
insmod vga
}
insmod part_msdos
insmod ext2
set root='(hd0,msdos5)'
search --no-floppy --fs-uuid --set 58874ff8-7375-498e-b17f-9ea177ad0ef2
if loadfont /usr/share/grub/unicode.pf2 ; then
set gfxmode=640x480
load_video
insmod gfxterm
fi
terminal_output gfxterm
insmod part_msdos
insmod ext2
set root='(hd0,msdos5)'
search --no-floppy --fs-uuid --set 58874ff8-7375-498e-b17f-9ea177ad0ef2
set locale_dir=($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 2.6.35-22-generic' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
insmod part_msdos
insmod ext2
set root='(hd0,msdos5)'
search --no-floppy --fs-uuid --set 58874ff8-7375-498e-b17f-9ea177ad0ef2
linux /boot/vmlinuz-2.6.35-22-generic root=UUID=58874ff8-7375-498e-b17f-9ea177ad0ef2 ro quiet splash
initrd /boot/initrd.img-2.6.35-22-generic
}
menuentry 'Ubuntu, with Linux 2.6.35-22-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
insmod part_msdos
insmod ext2
set root='(hd0,msdos5)'
search --no-floppy --fs-uuid --set 58874ff8-7375-498e-b17f-9ea177ad0ef2
echo 'Loading Linux 2.6.35-22-generic ...'
linux /boot/vmlinuz-2.6.35-22-generic root=UUID=58874ff8-7375-498e-b17f-9ea177ad0ef2 ro single
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-2.6.35-22-generic
}
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/20_linux_xen ###
### END /etc/grub.d/20_linux_xen ###
### BEGIN /etc/grub.d/20_memtest86+ ###
menuentry "Memory test (memtest86+)" {
insmod part_msdos
insmod ext2
set root='(hd0,msdos5)'
search --no-floppy --fs-uuid --set 58874ff8-7375-498e-b17f-9ea177ad0ef2
linux16 /boot/memtest86+.bin
}
menuentry "Memory test (memtest86+, serial console 115200)" {
insmod part_msdos
insmod ext2
set root='(hd0,msdos5)'
search --no-floppy --fs-uuid --set 58874ff8-7375-498e-b17f-9ea177ad0ef2
linux16 /boot/memtest86+.bin console=ttyS0,115200n8
}
### END /etc/grub.d/20_memtest86+ ###
### BEGIN /etc/grub.d/30_os-prober ###
menuentry "Windows Vista (loader) (on /dev/sda1)" {
insmod part_msdos
insmod ntfs
set root='(hd0,msdos1)'
search --no-floppy --fs-uuid --set e8b86403b863ce9e
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 ###
### BEGIN /etc/grub.d/41_custom ###
if [ -f $prefix/custom.cfg ]; then
source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###
=============================== sda5/etc/fstab: ===============================
# /etc/fstab: static file system information.
#
# Use 'blkid -o value -s 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 nodev,noexec,nosuid 0 0
# / was on /dev/sda5 during installation
UUID=58874ff8-7375-498e-b17f-9ea177ad0ef2 / ext4 errors=remount-ro 0 1
# swap was on /dev/sda6 during installation
UUID=2f123ccb-a77a-4861-95cd-1aea9bb1ee36 none swap sw 0 0
=================== sda5: Location of files loaded by Grub: ===================
417.4GB: boot/grub/core.img
327.2GB: boot/grub/grub.cfg
327.6GB: boot/initrd.img-2.6.35-22-generic
288.7GB: boot/vmlinuz-2.6.35-22-generic
327.6GB: initrd.img
288.7GB: vmlinuz
=========================== Unknown MBRs/Boot Sectors/etc =======================
Unknown BootLoader on sda2
00000000 50 8b cf e8 93 23 ff ff 83 c6 0c eb bc 83 c6 08 |P....#..........|
00000010 56 8b cf e8 06 f5 ff ff eb 40 83 c6 08 56 8b cf |V........@...V..|
00000020 e8 40 f5 ff ff eb 33 8d 45 d8 50 8b cf e8 69 23 |.@....3.E.P...i#|
00000030 ff ff 39 5d d8 76 2b ff 75 d8 53 ff 15 f0 04 48 |..9].v+.u.S....H|
00000040 00 89 46 08 3b c3 75 05 e8 52 81 fe ff ff 75 d8 |..F.;.u..R....u.|
00000050 8b cf 50 e8 3f db fe ff 8b c7 e8 3d 45 02 00 c2 |..P.?......=E...|
00000060 08 00 89 5e 08 eb f1 57 8d 4d c8 89 5d d4 e8 41 |...^...W.M..]..A|
00000070 8f 01 00 8d 45 dc 50 8b cf e8 1d 23 ff ff 8d 45 |....E.P....#...E|
00000080 e0 50 8b cf e8 ca 22 ff ff 8d 45 e2 50 8b cf e8 |.P...."...E.P...|
00000090 bf 22 ff ff 6a 08 8d 45 e4 50 8b cf e8 f6 da fe |."..j..E.P......|
000000a0 ff 66 83 3e 0d b8 44 d8 48 00 74 05 b8 54 cb 48 |.f.>..D.H.t..T.H|
000000b0 00 8d 7e 08 57 50 6a 17 53 8b 1d 68 08 48 00 8d |..~.WPj.S..h.H..|
000000c0 45 dc 50 ff d3 3d 57 00 07 80 75 1c 66 83 3e 0d |E.P..=W...u.f.>.|
000000d0 b8 44 d8 48 00 74 05 b8 54 cb 48 00 57 50 6a 07 |.D.H.t..T.H.WPj.|
000000e0 6a 00 8d 45 dc 50 ff d3 50 e8 8a dc ff ff 8b 07 |j..E.P..P.......|
000000f0 8b 08 83 65 fc 00 8d 55 d4 52 68 64 d9 48 00 50 |...e...U.Rhd.H.P|
00000100 ff 11 85 c0 7d 10 8b 3f 8b 07 8d 4d d4 51 68 14 |....}..?...M.Qh.|
00000110 df 48 00 57 ff 10 50 e8 5c dc ff ff 8b 45 d4 8b |.H.W..P.\....E..|
00000120 08 8d 55 c8 52 50 ff 51 14 50 e8 49 dc ff ff 8b |..U.RP.Q.P.I....|
00000130 45 d4 8b 08 83 4d fc ff 50 ff 51 08 8b 45 d8 e9 |E....M..P.Q..E..|
00000140 16 ff ff ff 8b 45 d4 85 c0 74 06 8b 08 50 ff 51 |.....E...t...P.Q|
00000150 08 8b 45 d0 8b 40 08 8b 08 50 ff 51 08 6a 00 6a |..E..@...P.Q.j.j|
00000160 00 e8 d1 48 02 00 90 58 b8 42 00 58 b8 42 00 a6 |...H...X.B.X.B..|
00000170 b7 42 00 c6 b7 42 00 0d b8 42 00 1a b8 42 00 fd |.B...B...B...B..|
00000180 b7 42 00 1a b8 42 00 27 b8 42 00 67 b8 42 00 c6 |.B...B.'.B.g.B..|
00000190 b7 42 00 a6 b7 42 00 58 b8 42 00 67 b8 42 00 58 |.B...B.X.B.g.B.X|
000001a0 b8 42 00 58 b8 42 00 b6 b7 42 00 b6 b7 42 00 a6 |.B.X.B...B...B..|
000001b0 b7 42 00 d6 b7 42 00 e3 b7 42 00 f0 b7 42 00 fe |.B...B...B...B..|
000001c0 ff ff 83 fe ff ff 02 00 00 00 00 c0 ec 17 00 fe |................|
000001d0 ff ff 05 fe ff ff 02 c0 ec 17 00 a8 b7 00 00 00 |................|
000001e0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
000001f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.|
00000200
Unknown BootLoader on sdb1
00000000 eb 58 90 53 59 53 4c 49 4e 55 58 00 02 08 02 09 |.X.SYSLINUX.....|
00000010 02 00 00 00 00 f8 00 00 3f 00 ff 00 3f 00 00 00 |........?...?...|
00000020 3b 78 ee 00 7f 3b 00 00 00 00 00 00 02 00 00 00 |;x...;..........|
00000030 01 00 06 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
00000040 80 00 29 fb 51 f3 7a 4e 4f 20 4e 41 4d 45 20 20 |..).Q.zNO NAME |
00000050 20 20 46 41 54 33 32 20 20 20 fa fc 31 c9 8e d1 | FAT32 ..1...|
00000060 bc 76 7b 52 06 57 8e c1 b1 26 bf 78 7b f3 a5 8e |.v{R.W...&.x{...|
00000070 d9 bb 78 00 0f b4 37 0f a0 56 20 d2 78 1b 31 c0 |..x...7..V .x.1.|
00000080 b1 06 89 3f 89 47 02 f3 64 a5 8a 0e 18 7c 88 4d |...?.G..d....|.M|
00000090 bc 50 50 50 50 cd 13 eb 4b f6 45 b4 7f 75 25 38 |.PPPP...K.E..u%8|
000000a0 4d b8 74 20 66 3d 21 47 50 54 75 10 80 7d b8 ed |M.t f=!GPTu..}..|
000000b0 75 0a 66 ff 75 ec 66 ff 75 e8 eb 0f 51 51 66 ff |u.f.u.f.u...QQf.|
000000c0 75 bc eb 07 51 51 66 ff 36 1c 7c b4 08 cd 13 72 |u...QQf.6.|....r|
000000d0 13 20 e4 75 0f c1 ea 08 42 89 16 1a 7c 83 e1 3f |. .u....B...|..?|
000000e0 89 0e 18 7c fb bb aa 55 b4 41 8a 16 74 7b cd 13 |...|...U.A..t{..|
000000f0 72 10 81 fb 55 aa 75 0a f6 c1 01 74 05 c6 06 32 |r...U.u....t...2|
00000100 7d 00 66 b8 f8 27 16 00 66 ba 00 00 00 00 bb 00 |}.f..'..f.......|
00000110 7e e8 10 00 66 81 3e 24 7e 34 be f5 72 75 76 ea |~...f.>$~4..ruv.|
00000120 38 7e 00 00 66 03 06 64 7b 66 13 16 68 7b b9 10 |8~..f..d{f..h{..|
00000130 00 eb 2b 66 52 66 50 06 53 6a 01 6a 10 89 e6 66 |..+fRfP.Sj.j...f|
00000140 60 b4 42 e8 7f 00 66 61 8d 64 10 72 01 c3 66 60 |`.B...fa.d.r..f`|
00000150 31 c0 e8 70 00 66 61 e2 da c6 06 32 7d 2b 66 60 |1..p.fa....2}+f`|
00000160 66 0f b7 36 18 7c 66 0f b7 3e 1a 7c 66 f7 f6 31 |f..6.|f..>.|f..1|
00000170 c9 87 ca 66 f7 f7 66 3d ff 03 00 00 77 17 c0 e4 |...f..f=....w...|
00000180 06 41 08 e1 88 c5 88 d6 b8 01 02 e8 37 00 66 61 |.A..........7.fa|
00000190 72 01 c3 e2 c9 31 f6 8e d6 bc 6c 7b 8e de 66 8f |r....1....l{..f.|
000001a0 06 78 00 be cc 7d e8 09 00 31 c0 cd 16 cd 19 f4 |.x...}...1......|
000001b0 eb fd 66 60 ac 20 c0 74 09 b4 0e bb 07 00 cd 10 |..f`. .t........|
000001c0 eb f2 66 61 c3 8a 16 74 7b cd 13 c3 42 6f 6f 74 |..fa...t{...Boot|
000001d0 20 65 72 72 6f 72 0d 0a 00 00 00 00 00 00 00 00 | error..........|
000001e0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
000001f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.|
00000200