Restoring GRUB after Installing Windows (Dual boot setup)

1. Boot the computer  using an Ubuntu live CD
2. Open a terminal and type

   sudo grub
   grub>find /boot/grub/stage1

   This will bring up a list of partitions, example : (hd0,1) = it will be different on your system.

3. type the following commands in the terminal

    root (hd0,1)
    setup (hd0)

   This will display text similar to the one below
      Checking if “/boot/grub/stage1? exists… yes
      Checking if “/boot/grub/stage2? exists… yes
      Checking if “/boot/grub/e2fs_stage1_5? exists… yes
      Running “embed /boot/grub/e2fs_stage1_5 (hd0)”… 16 sectors are embedded.
      succeeded
      Running “install /boot/grub/stage1 (hd0) (hd0)1+16 p (hd0,)/boot/grub/stage2
      /boot/grub/menu.lst”… succeeded
      Done.

4. type quit
5. type reboot