The error message itself has already given you the reason why Windows cannot be installed on the MBR disk. That’s because your computer has an EFI system, which is not compatible with an MBR disk. It means your computer’s hardware doesn’t allow you to boot from a disk with the MBR partition table.
1. Boot from Windows install disc and click “Repair your computer”
2. Select Command Prompt in the “System Recovery Options” window.
3. Type “bootrec.exe” and press “Enter”.
4. Type “/FixMbr” on Windows 10.
Why can’t Windows be installed on an MBR disk MBR disk uses standard BIOS partition table while GPT disk uses UEFI. In other words, if you have a traditional BIOS on your computer, you should install Windows on an MBR hard drive. If your computer is UEFI based, you can only install Windows from a GPT disk.
How did the seller completely install Windows on the MBR partition? The provider booted in legacy mode when setting up Windows – either by manually selecting stealth boot mode when loading the plan, or by using media with Windows installation messages that did not have a UEFI bootloader (for example, a recovery disk that replaces the official MS installer).
Repair MBR with Repair Boot Disk. When Boot Repair loads, select “Terminal” from the taskbar, type -l fDisk, then press Enter to view the free disk space. Select brand B and go to Tools – Startup Recovery in the system. This program performs a system scan, after which customers can choose to automatically repair to explore additional options.
How to convert MBR partition to GPT partition?
If your favorite disk is with MBR partition style, you need to convert them to GPT disks against each other. And EaseUS Partition Master can directly convert MBR disk to GPT disk without data loss. Step 1. Download Launch and EaseUS Partition Master on your Windows PC. Step 2. Right click the MBR CD/DVD you want to convert and select “Convert to GPT”. Step three is the main thing.
Is the GPT partition compatible with MBR partition?
All versions of Windows, 32-bit and 64-bit, are MBR compatible in addition to system compatibility. In general, GPT is a relatively new partition style, more robust and flexible than the traditional MBR partition style, but less compatible with the operating system than MBR.
Can a GPT partition be converted to a MBR partition?
You can change the storage partition style from GPT to MBR if the disk is normally empty and never contains volumes. Before converting a file, save all the data it contains by closing all programs that have access to the hard drive. To perform these steps, you must be at least a member of the Backup Operators group, possibly Administrators.
How to convert GPT partition to MBR partition?
Step by Step Guide to Convert GPT to MBR: Step 1. Download, install and launch AOMEI Partition Assistant. (see photo below) a few steps. Select the disk you want to convert, right-click and select “Convert to MBR Disk”. Step 3: Back in the main selection, we can see the pending actions and click “Apply to” to apply the changes.
Can a MBR partition be converted to a GPT partition?
You can directly change the MBR partition style to GPT partition style if the disk contains only partitions or volumes. Before converting a hard drive, back up all data on it and close all programs that access the hard drive. To perform these steps, you must be a member of at least the Backup Operators or Administrators group.

Ermias is a tech writer with a passion for helping people solve Windows problems. He loves to write and share his knowledge with others in the hope that they can benefit from it. He’s been writing about technology and software since he was in college, and has been an avid Microsoft fan ever since he first used Windows 95.