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What Is the Meaning of GPT Partition Scheme for UEFI

I know I should change BIOS boot mode to UEFI if I reinstall the latest Windows versions. But what is a GPT partition scheme for UEFI firmware? And how can I change GPT partition to MBR?

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Roxanne· Answered on Apr 18, 2024

What Is the GPT Partition Scheme and Differences from MBR

When you upgrade your Windows OS to a higher version, the system disk partition style must be set to support either UEFI mode or legacy BIOS:

MBR - Master Boot Record is an older disk partition table, a loader for the operating system, the master boot code, the disk partition table, and the boot signature. It only supports legacy BIOS boot mode.

GPT - As a newer disk partition style, GPT contains information about how the drive's partitions are set up and how to start the OS. Regarding boot mode, the GPT disk should boot from UEFI.

MBR vs. GPT - The MBR drive cannot create a partition larger than 2 TB, or the extend volume option will be greyed out. If you format a 4TB hard disk as MBR, you can only use 2TB

How to Convert MBR to GPT for UEFI

EaseUS Partition Master Professional will cover you in the disk conversion field and ensure a great experience. Its easy-to-use "Disk Converter" feature can complete the conversion without data loss；

Free Download 

Windows 11/10/8/7100% Secure

Notice: Download and install EaseUS Partition Master. Back up the whole MBR disk before taking action in any wrong operation.

Step 1. Launch the EaseUS Partition Master to select "Disk Converter" > "Convert MBR to GPT" and press "Next."

Step 2. Locate the hard drive as the target and choose "Convert" to begin.

After disk conversion, you need to check your computer's boot mode and change if it's incorrect:

🚩Read More: How to Know if Windows using Legacy or UEFI， How to Change BIOS Mode from Legacy to UEFI

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