A prompt will be displayed to remind you to save your work, click on Restart Now Your PC will restart and a "Choose an Option" screen will be displayed, go into Troubleshoot > Advanced Options > UEFI ...
Just before we start, you should know that this post is not about switching firmware modes. If you are planning to move from legacy BIOS to UEFI, you will have to use MBR2GPT Tool. So if you are in a ...