Hi Ruby1200. Thanks for yr replies.
This is the result of the bootinfo 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 #1 for /boot/grub.
sda1: __________________________________________________ _______________________
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
sda2: __________________________________________________ _______________________
File system: ntfs
Boot sector type: Windows XP
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files/dirs: /boot.ini /ntldr /NTDETECT.COM
sda3: __________________________________________________ _______________________
File system: vfat
Boot sector type: -
Boot sector info: No errors found in the Boot Parameter Block.
Operating System: Windows XP
Boot files/dirs:
sda4: __________________________________________________ _______________________
File system: swap
Boot sector type: -
Boot sector info:
=========================== Drive/Partition Info: =============================
Drive: sda ___________________ __________________________________________________ ___
Disk /dev/sda: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders, total 312581808 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 63 117,258,434 117,258,372 83 Linux
/dev/sda2 * 117,258,435 233,472,644 116,214,210 7 HPFS/NTFS
/dev/sda3 234,452,610 308,174,894 73,722,285 b W95 FAT32
/dev/sda4 308,174,895 312,576,704 4,401,810 82 Linux swap / Solaris
blkid -c /dev/null: __________________________________________________ __________
Device UUID TYPE LABEL
/dev/loop0 squashfs
/dev/sda1 32511665-3b23-4aaa-8667-6d759d1fe31b ext4
/dev/sda2 28EF5D6B27F4AAF8 ntfs COMMON
/dev/sda3 5513-BEBE vfat WIN7
/dev/sda4 22b909fb-78a3-41fa-9d67-6ba9893eea6c swap
/dev/sda: PTTYPE="dos"
error: /dev/sdb: No medium found
============================ "mount | grep ^/dev output: ===========================
Device Mount_Point Type Options
aufs / aufs (rw)
/dev/sr0 /cdrom iso9660 (ro,noatime)
/dev/loop0 /rofs squashfs (ro,noatime)
=========================== sda1/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="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 ${boot_once} ]; then save_env recordfail; fi; fi
}
insmod ext2
set root='(hd0,1)'
search --no-floppy --fs-uuid --set 32511665-3b23-4aaa-8667-6d759d1fe31b
if loadfont /usr/share/grub/unicode.pf2 ; then
set gfxmode=640x480
insmod gfxterm
insmod vbe
if terminal_output gfxterm ; then true ; else
# For backward compatibility with versions of terminal.mod that don't
# understand terminal_output
terminal gfxterm
fi
fi
insmod ext2
set root='(hd0,1)'
search --no-floppy --fs-uuid --set 32511665-3b23-4aaa-8667-6d759d1fe31b
set locale_dir=($root)/boot/grub/locale
set lang=it
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 2.6.32-22-generic' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
insmod ext2
set root='(hd0,1)'
search --no-floppy --fs-uuid --set 32511665-3b23-4aaa-8667-6d759d1fe31b
linux /boot/vmlinuz-2.6.32-22-generic root=UUID=32511665-3b23-4aaa-8667-6d759d1fe31b ro vga=786 quiet splash
initrd /boot/initrd.img-2.6.32-22-generic
}
menuentry 'Ubuntu, with Linux 2.6.32-22-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
insmod ext2
set root='(hd0,1)'
search --no-floppy --fs-uuid --set 32511665-3b23-4aaa-8667-6d759d1fe31b
echo 'Loading Linux 2.6.32-22-generic ...'
linux /boot/vmlinuz-2.6.32-22-generic root=UUID=32511665-3b23-4aaa-8667-6d759d1fe31b ro single vga=786
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-2.6.32-22-generic
}
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/20_memtest86+ ###
menuentry "Memory test (memtest86+)" {
insmod ext2
set root='(hd0,1)'
search --no-floppy --fs-uuid --set 32511665-3b23-4aaa-8667-6d759d1fe31b
linux16 /boot/memtest86+.bin
}
menuentry "Memory test (memtest86+, serial console 115200)" {
insmod ext2
set root='(hd0,1)'
search --no-floppy --fs-uuid --set 32511665-3b23-4aaa-8667-6d759d1fe31b
linux16 /boot/memtest86+.bin console=ttyS0,115200n8
}
### END /etc/grub.d/20_memtest86+ ###
### BEGIN /etc/grub.d/30_os-prober ###
menuentry "Microsoft Windows XP Professional (on /dev/sda2)" {
insmod ntfs
set root='(hd0,2)'
search --no-floppy --fs-uuid --set 28ef5d6b27f4aaf8
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 ###
=============================== sda1/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/sda1 during installation
UUID=32511665-3b23-4aaa-8667-6d759d1fe31b / ext4 errors=remount-ro 0 1
# swap was on /dev/sda4 during installation
UUID=22b909fb-78a3-41fa-9d67-6ba9893eea6c none swap sw 0 0
=================== sda1: Location of files loaded by Grub: ===================
21.6GB: boot/grub/core.img
16.8GB: boot/grub/grub.cfg
51.1GB: boot/initrd.img-2.6.32-22-generic
5.2GB: boot/vmlinuz-2.6.32-22-generic
================================ sda2/boot.ini: ================================
[boot loader]
timeout=30
default=multi(0)disk(0)rdisk(0)partition(3)\WINDOW S
[operating systems]
multi(0)disk(0)rdisk(0)partition(3)\WINDOWS="Microsoft Windows XP Professional" /noexecute=optin /fastdetect
=======Devices which don't seem to have a corresponding hard drive==============
sdb
So, pls confirm that sdax actually is sda1.
Thanks