Why Can't Convert to GPT on Windows 10? I Need Help

I tried converting to GPT via diskpart commands while installing the operating system, but when the OS installation was done, I still had the 2TB limit in Disk Management. So is there any other tool or method to help me convert to GPT?

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Sherly· Answered on Apr 18, 2024

Hello, I will answer your question and try to remove your issue in the following content. There may be two situations where you say you can't convert to GPT:

Case 1: You typed the wrong commands, and Diskpart didn't convert your disk to GPT; by the way, if your disk contains OS, Disk Management and Diskpart can't convert to GPT at all. In this case, you need to choose a reliable third-party tool, such as EaseUS Partition Master. This tool can help you convert MBR to GPT with three steps, so download it to try.

Free Download 

Windows 11/10/8/7100% Secure

  1. Step 1. Download and launch EaseUS Partition Master.
  2. Step 2. Go to Disk Converter and select "Convert MBR to GPT."
  3. Step 3. Select the target MBR disk you want to convert to GPT, and click "Convert" to start the conversion.

According to my experience, this tool works well on a Windows PC.

Case 2: You have succeeded in converting MBR to GPT in Diskpart, but BIOS can't boot a GPT disk; in this case, you need to change BIOS to UEFI. Here is how:

  1. Step 1. Restart your computer.
  2. Step 2. When the computer manufacturer logo interface appears, press and hold F2/ESC/DEL/F12 to open the BIOS settings.
  3. Step 3. Press the arrow keys to select the Boot tab. Select "UEFI" in "UEFI/BIOS Boot Mode." Press enter.
  4. Step 4. Save your changes and exit.

Hope it can work on your issue.

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