How to Install Ubuntu Dual Boot
Create a live USB or disk. Download and create a live USB or DVD. In Windows, my favorite tool to create a live USB is Universal USB Installer. Boot in to live USB. Start the installation. Prepare the partition. Create root, swap and home.
Dual boot means to install Ubuntu and Windows 10 then use GRUB (Ubuntu boot manager) to select which Operating System to boot at any time. This guide assumes that Windows 10 is already installed on the computer you want to dual boot Ubuntu. If you have not installed Windows 10, install it before you proceed.
We learned Windows boot manager lets you boot into Windows directly. And this is what you are going to use here. Before you go on and delete the Linux partition, it will be a wise move to check if you can make Windows boot manager as the default boot option. This way, when you remove Linux, your boot process won’t be disturbed.
Where to install bootloader ubuntu dual boot?
Usually, you should install the boot loader on your first machine hard disk MBR, which is / dev/sda in most cases. The installation process of GRUB will start as soon as you hit the Enter key. Where does Ubuntu bootloader install dual boot? Since you are dual-booting, the boot-loader should go on /dev/sda itself.
Where does the bootloader go on a dual boot?
Since you are dual-booting, the boot-loader should go on /dev/sda itself. Yes, NOT /dev/sda1 or /dev/sda2, or any other partition, but on the hard drive itself. Then, at each boot, Grub will ask you to choose between Ubuntu or Windows.
From my knowledge, there are 4 possible solutions I can use to install bootloader: Create a ext4 partition, flag as /boot, and select this partition to install bootloader. Create a ext4 partition, flag as /boot, and select /dev/sda to install bootloader. (not specifying any partition to install bootloader).
How do I delete Linux from dual boot?
Deleting Linux from dual boot is done in two parts. The first is to delete the partition (s) on which Linux was installed. The second part is to fix the Windows boot loader, as just deleting the Linux partition will result in a Grub rescue error. Log into Windows.
This of course begs the question “Do I need a bootable Windows disk after removing Ubuntu?”
As the last resort, you need to have a bootable Windows disk or recovery disk so that you can use it to repair the boot after removing Ubuntu (if needed). I want you to have as few troubles as possible.
How do I install Ubuntu on a hard drive?
Under “Device for boot loader installation”: 1 if you choose dev/sda, it will use Grub (Ubuntu’s boot loader) to load all systems on this hard drive. 2 if you choose dev/sda1, Ubuntu need to be manually added to drive’s boot loader after installation. (for example, you More.
Does grub install Ubuntu on the hard drive?
Yes, NOT /dev/sda1 or /dev/sda2, or any other partition, but on the hard drive itself. Then, at each boot, Grub will ask you to choose between Ubuntu or Windows.