A boot drive is a storage device used to start the computer, even without the need for an operating system. The boot drive is the one that has the operating system installed, but it can be changed when deemed necessary. Boot drives can be hard drives, solid-state drives, optical drives (CD / DVD), removable storage media (flash drives, SD cards), or even floppies in the past.

It is important that you pay attention to these tips before changing your PC's boot drive; otherwise, you may lose very important files.

The first thing to do when trying to tweak a computer system is to run a comprehensive backup of your files. This will save you from experiencing any form of confusion that can possibly result from the process of changing the Windows boot drive.

Following are the methods to change the the boot drive in Windows 10:

Method 1. Use Automatic Repair to Repair Windows 10 / 8 / 7 UEFI:

There is a tool that will help you to fix boot problems. Like Method 1, this only works with UEFI. Follow these steps to perform this task:

Step 1: Open options

You have to boot from the disk or USB which has the Windows installation package. Then click on "Next" in the first Window and in this one click on "Repair your computer."

Step 2: Open Start-up Repair

Click on "Troubleshoot" and in "Advanced options" click on "Start-up Repair." Windows will do everything to try to fix boot problems.

Method 2. Change the Boot Order in Windows 10 via System Configuration: