Originally Posted by Dhiraj1
First of all , open a terminal (ctrl+alt+t combo keys) and do this
Then you can install a package that will allow you to modify your grub-bootloader . Its easy to use.
Open a terminal (ctrl+alt+t combo keys) and apply bellow commands
Open grub-customizer and change your settings according to your preferences.
sudo add-apt-repository ppa:danielrichter2007/grub-customizer
sudo apt-get update
sudo apt-get install grub-customizer
And here is a great how-to for grub-customizer : http://ubuntuforums.org/showthread.php?t=1664134 , to take advantage all of the features.