I was on Windows 7 and decided to do a complete cleanup and upgrade to Windows 10. I booted from the USB via legacy boot to the installation screen. I deleted my partitions, except for the main one. When I tried to install Windows 10, it said, 'Windows can't be installed on MBR. Convert to GPT.' Now, I have no idea what to do.
Roxanne· Answered on May 24, 2023
For users configuring their disk conversion for the first time, an error like "Windows Can't be installed on MBR, convert to GPT" can be a big problem. Simply put, it is a compatibility issue, generally occurring when installing Windows on a UEFI-based system with a partition scheme that does not support UEFI. Therefore, you need to convert the MBR disk to GPT and enable the compatible boot mode. We will provide you with a complete guide on how to solve the compatibility issue.
Phase 1: Convert disk from MBR to GPT
EaseUS Partition Master is an effective and secure software that can help you successfully convert MBR to GPT. This operable tool allows you to complete disk conversion without losing data.
You can follow the steps below to use EaseUS Partition Master:
Advice: We always recommend you back up the MBR disk to prevent the disk contents from destroying.
Step 1. Click the download button and install EaseUS Partition Master.
Step 2. Go to the "Disk Converter" tool, choose the "Convert MBR to GPT" option, and click "Next."
Step 3. Scroll the options to find the target MBR disk, and click "Convert" to change.
After converting the OS disk to GPT, check if your computer uses UEFI boot mode. If not, set up the UEFI boot mode to match your partition style.
Related Reading: How to Know If Windows Using UEFI or Legacy
Phase 2: Enable UEFI boot mode
Learn how to enable the UEFI boot mode as follows:
Step 1. Reboot your computer and long-press the F2 key to open the boot screen.
Step 2. Click the "Boot or System Configuration" tab and select "Boot."
Step 3. Press "Enter" after selecting "Boot," choose "UEFI/BIOS Boot Mode," and press "Enter."
Step 4. Change to UEFI mode, press "Enter," and press the F10 key to save the change.
We hope this post can help you fix the error: Windows can't be installed on MBR, convert to GPT.
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