HOW TO CONVERT AN MBR DISK TO GPT AND MOVE FROM BIOS TO UEFI ON WINDOWS 10
Using the Unified Extensible
Firmware Interface (UEFI) can make your PC more secure and a bit faster
if you're still using the legacy basic input/output system (BIOS). In
this guide, we show you how to switch.
windows
10 makes it easier to switch from legacy BIOS to UEFI using the new
MBR2GPT disk conversion tool included with the Creators Update. One of
the most important parts of your PC is the BIOS, which is the code that
sits on a chip on the motherboard, linking the software to the hardware.
Computers have been using BIOS for a long time, but it had a lot of
limitations with today's hardware, such as drive support, where BIOS
limits you to partitions less than 2TB. This was alright for a while,
but it was obvious something else was needed, which is why UEFI was
introduced.
UEFI is what replaces BIOS, and it adds a number of other benefits,
including faster startup, sleep, resume, and shutdown times. In
addition, and perhaps more importantly, it allows you to take advantage
of new security features on Windows 10.
For example, a "Secure Boot" feature protects the PC startup process
from malicious software. "Credential Guard" helps to prevent
pass-the-hash attacks, and "Device Guard" give you more advanced
controls for application access.
In the Creators Update,
Windows 10 introduces a new command-line utility called MBR2GPT that
lets you convert a disk formatted using Master Boot Record (MBR) to GUID
Partition Table (GPT)-style partition without modifying or deleting
that data stored on disk, which is a requirement to move to UEFI mode.
In this Windows 10 guide, we detail the steps to use MBR2GPT to convert a disk using MBR to GPT to switch from BIOS to UEFI mode.
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