If neither a CD/DVD nor a recovery partition/burning utility is provided by your computer manufacturer, you may need to contact your vendor and ask for a CD or DVD (to which you are normally entitled under the Windows EULA). If you are buying a new computer and intend on dual-booting, make sure you have (or can make) a physical Windows recovery/re-installation CD or DVD. A utility is then usually provided which allows the user to burn a recovery/re-installation CD or DVD from it. However, many companies no longer ship a physical disc but instead create a hidden partition on the hard drive in which the recovery-disk information is stored. Some computer manufacturers that pre-install Windows provide a Windows recovery/re-installation CD or DVD with the computer. External hard drives, USB flash drives, and multiple DVDs or CDs are all useful for this purpose. Instead, it is best to do a native install of Ubuntu, and then virtualize the other operating system.Īlthough this may seem obvious, it is important to back up your files to an external backup medium before attempting a dual-boot installation (or any other hard drive manipulation), in case your hard drive becomes corrupted during the process. better performance for a native install), it is not recommended. While there are some benefits to dual-booting (e.g.

This page describes how to set up your computer in order to dual boot Ubuntu and Windows. Master Boot Record backup and replacement.

Recovering GRUB after reinstalling Windows.Automatic partition resizing (not recommended).Have a Windows recovery CD/DVD available.

Install ubuntu os on windows computer