@metalf8801 : It doesn't. When I use "boot from cd/dvd" as my sole boot option, it tries for some time and gives a message like "no boot option" or something of that sort. On the other hand, when I keep my hdd as my 2nd preference for boot, after some trying for booting from the dvd, it automatically boots ubuntu from the hdd. Now that I look at the properties of my cd rom in ubuntu, I don't think ubuntu even detects it. Even though, the dvd rotates inside, the properties for the cd/dvd drive show everything to be "unknown"
@wilee - nilee : I have an inspiron 1525.
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 /boot/grub.
sda1: __________________________________________________ _______________________
File system: ntfs
Boot sector type: Windows Vista/7
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files/dirs:
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 10.04 LTS
Boot files/dirs: /boot/grub/menu.lst /boot/grub/grub.cfg /etc/fstab
/boot/grub/core.img
sda6: __________________________________________________ _______________________
File system: swap
Boot sector type: -
Boot sector info:
=========================== Drive/Partition Info: =============================
Drive: sda ___________________ __________________________________________________ ___
Disk /dev/sda: 250.1 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders, total 488397168 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 * 63 241,652,667 241,652,605 7 HPFS/NTFS
/dev/sda2 241,653,758 488,396,799 246,743,042 5 Extended
/dev/sda5 241,653,760 478,285,823 236,632,064 83 Linux
/dev/sda6 478,287,872 488,396,799 10,108,928 82 Linux swap / Solaris
blkid -c /dev/null: __________________________________________________ __________
Device UUID TYPE LABEL
/dev/sda1 07B37B686F5A337F ntfs c
/dev/sda2: PTTYPE="dos"
/dev/sda5 14eccbd8-31d5-41d7-aac1-2f7b81a15a95 ext4
/dev/sda6 d7379df4-f1f8-4f50-af7b-c97b9fe96cf6 swap
/dev/sda: PTTYPE="dos"
============================ "mount | grep ^/dev output: ===========================
Device Mount_Point Type Options
/dev/sda5 / ext4 (rw,errors=remount-ro)
/dev/sda1 /media/c fuseblk (rw,nosuid,nodev,allow_other,blksize=4096,default_ permissions)
=========================== sda5/boot/grub/menu.lst: ===========================
title Windows 7
rootnoverify (hd3,4)
map (hd0) (hd3)
map (hd3) (hd0)
chainloader +1
=========================== sda5/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 ${boot_once} ]; then save_env recordfail; fi; fi
}
insmod ext2
set root='(hd0,5)'
search --no-floppy --fs-uuid --set 14eccbd8-31d5-41d7-aac1-2f7b81a15a95
if loadfont /usr/share/grub/unicode.pf2 ; then
set gfxmode=640x480
insmod gfxterm
insmod vbe
if terminal_output gfxterm ; then true ; else
# For backward compatibility with versions of terminal.mod that don't
# understand terminal_output
terminal gfxterm
fi
fi
insmod ext2
set root='(hd0,5)'
search --no-floppy --fs-uuid --set 14eccbd8-31d5-41d7-aac1-2f7b81a15a95
set locale_dir=($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 2.6.32-21-generic' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
insmod ext2
set root='(hd0,5)'
search --no-floppy --fs-uuid --set 14eccbd8-31d5-41d7-aac1-2f7b81a15a95
linux /boot/vmlinuz-2.6.32-21-generic root=UUID=14eccbd8-31d5-41d7-aac1-2f7b81a15a95 ro quiet splash
initrd /boot/initrd.img-2.6.32-21-generic
}
menuentry 'Ubuntu, with Linux 2.6.32-21-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
insmod ext2
set root='(hd0,5)'
search --no-floppy --fs-uuid --set 14eccbd8-31d5-41d7-aac1-2f7b81a15a95
echo 'Loading Linux 2.6.32-21-generic ...'
linux /boot/vmlinuz-2.6.32-21-generic root=UUID=14eccbd8-31d5-41d7-aac1-2f7b81a15a95 ro single
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-2.6.32-21-generic
}
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/20_memtest86+ ###
menuentry "Memory test (memtest86+)" {
insmod ext2
set root='(hd0,5)'
search --no-floppy --fs-uuid --set 14eccbd8-31d5-41d7-aac1-2f7b81a15a95
linux16 /boot/memtest86+.bin
}
menuentry "Memory test (memtest86+, serial console 115200)" {
insmod ext2
set root='(hd0,5)'
search --no-floppy --fs-uuid --set 14eccbd8-31d5-41d7-aac1-2f7b81a15a95
linux16 /boot/memtest86+.bin console=ttyS0,115200n8
}
### END /etc/grub.d/20_memtest86+ ###
### BEGIN /etc/grub.d/30_os-prober ###
if [ ${timeout} != -1 ]; then
if keystatus; then
if keystatus --shift; then
set timeout=-1
else
set timeout=0
fi
else
if sleep --interruptible 3 ; then
set timeout=0
fi
fi
fi
### END /etc/grub.d/30_os-prober ###
### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries. Simply type the
# menu entries you want to add after this comment. Be careful not to change
# the 'exec tail' line above.
### END /etc/grub.d/40_custom ###
=============================== sda5/etc/fstab: ===============================
# /etc/fstab: static file system information.
#
# Use 'blkid -o value -s UUID' to print the universally unique identifier
# for a device; this may be used with UUID= as a more robust way to name
# devices that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc nodev,noexec,nosuid 0 0
# / was on /dev/sda5 during installation
UUID=14eccbd8-31d5-41d7-aac1-2f7b81a15a95 / ext4 errors=remount-ro 0 1
# swap was on /dev/sda6 during installation
UUID=d7379df4-f1f8-4f50-af7b-c97b9fe96cf6 none swap sw 0 0
=================== sda5: Location of files loaded by Grub: ===================
154.1GB: boot/grub/core.img
160.5GB: boot/grub/grub.cfg
154.0GB: boot/grub/menu.lst
154.2GB: boot/initrd.img-2.6.32-21-generic
123.8GB: boot/vmlinuz-2.6.32-21-generic
154.2GB: initrd.img
123.8GB: vmlinuz
=========================== Unknown MBRs/Boot Sectors/etc =======================
Unknown BootLoader on sda2
00000000 e2 54 2e a4 05 cf 3e 14 d0 c1 e0 3f cb 12 fd 0b |.T....>....?....|
00000010 e3 08 e6 a1 4c bb ad 98 a7 d8 5d eb e6 bc d1 70 |....L.....]....p|
00000020 12 24 06 12 74 79 14 53 40 d4 bd 54 2f 8d 6d 0f |.$..ty.S@..T/.m.|
00000030 0f 8f bc 51 90 58 0c e0 29 fa 1f 7e 76 e1 0f ec |...Q.X..)..~v...|
00000040 10 5b 72 c4 32 3c 98 29 e8 6e a4 40 2b 6f d6 42 |.[r.2<.).n.@+o.B|
00000050 1c 26 01 dd 1a 1b 04 55 7f 13 c3 04 89 f8 c3 0c |.&.....U........|
00000060 d1 a1 25 bc 79 e4 3b 7b d1 b6 32 8a 43 00 a8 14 |..%.y.;{..2.C...|
00000070 d7 4d c4 37 93 51 ad ca 60 d0 8f 24 28 9a 2b f9 |.M.7.Q..`..$(.+.|
00000080 ef 9e 0b 42 8b 14 06 74 f1 d3 a3 3e 98 24 57 21 |...B...t...>.$W!|
00000090 cf 9e 3a 14 f2 7a 63 f6 43 ea ef 63 93 90 9a 04 |..:..zc.C..c....|
000000a0 1a fa e0 bb f6 39 ee 0a 98 66 01 70 f9 d4 7a 02 |.....9...f.p..z.|
000000b0 60 67 ab 36 21 6b 10 86 6f 1a 0c f2 43 ff 1a 2b |`g.6!k..o...C..+|
000000c0 3c e1 1e f5 89 7f 8e 7b 85 e6 44 4c 92 49 db b5 |<......{..DL.I..|
000000d0 be 16 42 a9 d4 ea cf 4e 44 58 de 4c 6d 72 22 41 |..B....NDX.Lmr"A|
000000e0 17 ab 81 21 78 c6 c4 20 73 2a e3 d5 57 a8 98 1a |...!x.. s*..W...|
000000f0 69 86 f1 5a 4c fe 50 37 6d b7 07 97 18 92 a8 96 |i..ZL.P7m.......|
00000100 a3 d9 08 bd 25 b5 46 cc 57 0b a6 5f 4b 22 80 37 |....%.F.W.._K".7|
00000110 4a 94 38 47 b1 22 ea 16 8d fb af ac ab 65 23 53 |J.8G.".......e#S|
00000120 6e bd 2f 2b 72 54 b7 2c 3d 63 7d 62 46 16 82 e1 |n./+rT.,=c}bF...|
00000130 62 fa ce 59 08 e4 54 23 d4 37 53 0e 3e 2b 75 f0 |b..Y..T#.7S.>+u.|
00000140 8f 12 7d 2d b9 60 be 30 8d cb 10 88 fd 2a 19 df |..}-.`.0.....*..|
00000150 f5 1e 44 4a 29 59 a1 e8 ad 4c e4 48 ca 0d 17 92 |..DJ)Y...L.H....|
00000160 88 fb ad d5 d4 15 d9 48 2a ab 39 f6 fd 67 0a 99 |.......H*.9..g..|
00000170 22 b1 b0 24 34 d9 47 85 d6 c1 d7 fe 5e 3c ed 6a |"..$4.G.....^<.j|
00000180 64 e8 f6 37 b7 e4 8b 05 20 83 f4 b4 c3 4c d3 2f |d..7.... ....L./|
00000190 3e 23 ea ae 17 ad 9d 47 3d c1 9d d8 07 16 bb d2 |>#.....G=.......|
000001a0 ca 30 50 da 59 c4 ac c4 f7 3a b4 ae a3 91 78 dc |.0P.Y....:....x.|
000001b0 99 f0 29 ee fa 65 9b 40 4a aa 49 0b b6 47 00 fe |..)..e.@J.I..G..|
000001c0 ff ff 83 fe ff ff 02 00 00 00 00 b8 1a 0e 00 fe |................|
000001d0 ff ff 05 fe ff ff 4e bd 1a 0e b4 42 9a 00 00 00 |......N....B....|
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
Here's the output.
Thanks.