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Today I tried to install lubuntu13.10 on ubuntu10.04 by creating a separate partition(/dev/sda3).

But after installation the boot screen doesn't updated. ie it only shows ubuntu10.04...

While installing lubuntu13.10 I changed default boot path from /dev/sda1 to /dev/sda3.

Is that the problem? How to fix it??

Update 1:

when run gparted i got:

enter image description here

Update 2:

when i run sudo update-grub:

debconf: unable to initialize frontend: Dialog
debconf: (Dialog frontend requires a screen at least 13 
  lines tall and 31 columns wide.)
debconf: falling back to frontend: Readline
Searching for GRUB installation directory ... found: /boot/grub
Searching for default file ... found: /boot/grub/default
Testing for an existing GRUB menu.lst file ... found: /boot/grub/menu.lst
Searching for splash image ... none found, skipping ...
Found kernel: /boot/vmlinuz-2.6.32-30-generic
Found GRUB 2: /boot/grub/core.img
Found kernel: /boot/memtest86+.bin
Replacing config file /var/run/grub/menu.lst with new version
Updating /boot/grub/menu.lst ... done

when i run sudo os-prober :

/dev/sda1:Windows 7 (loader):Windows:chain
/dev/sda3:Ubuntu 13.10 (13.10):Ubuntu:linux
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  • @AvinashRaj I am unable to boot into lubuntu. it only boots to the old ubuntu10.04
    – suhailvs
    Apr 2, 2014 at 11:50
  • Ok, boot into ubuntu 10.04 and then take a screenshot of your gparted.Finally post the image here. Apr 2, 2014 at 11:52
  • Now run sudo update-grub command on terminal.And also post the output of sudo os-prober command Apr 2, 2014 at 12:03
  • @AvinashRaj now updated. any idea. i changed to /dev/sda3 while installation. that is the most probable error. What you think. reinstall and give /dev/sda forboot install
    – suhailvs
    Apr 2, 2014 at 12:18
  • You need to edit "/etc/grub.conf" to include your other Linux partition(s). Apr 2, 2014 at 12:52

1 Answer 1

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I reinstalled lubuntu. and while installation i provided /dev/sda for boot partition.

Now its working fine....

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