UEFI is the abbreviation of Unified Extensible Firmware Interface, which is a firmware interface for computers and it works as a 'middleman' to connect a computer's firmware to its operating system.

You may ask: What is UEFI? What is BIOS? How about UEFI vs BIOS? Just keep reading this post to get the answers. Although UEFI is more advanced and powerful than BIOS, It is still not widespread and not all motherboards support the new firmware. In fact, many older and less expensive motherboards still use the BIOS mode. Nowadays, many users use UEFI boot to start up Windows as it has many significant advantages, like faster booting process and support for hard drives larger than 2 TB, more security features and so on.

Conversion Between UEFI and BIOS Boot Modes.

In this post, I will illustrate you the main differences between UEFI and BIOS by giving you a UEFI vs BIOS, and show you how to convert MBR disk to GPT to support UEFI boot mode. UEFI and BIOS are two different types of motherboard firmware.

Uefi boot manager