Fix 'Windows Cannot Be Installed to This Disk MBR'

Myra posted on Dec 17, 2019 to Partition Master | How-to Articles

PAGE CONTENT:
Overview of 'Windows Cannot Be Installed to This Disk MBR'
Cause of 'The Selected Disk Has an MBR Partition Table'
How to Fix 'Windows Cannot Be Installed to This Disk MBR'
Related Questions
The Bottom Line

Overview of 'Windows Cannot Be Installed to This Disk MBR'

The error 'Windows cannot be installed to this disk MBR' indicates the error message 'Windows cannot be installed to this disk. The selected disk has an MBR partition style. On EFI systems, Windows can only be installed to GPT disks.' It may appear during the Windows installation process and you cannot install Windows successfully unless you solve it. Another similar error is 'Windows cannot be installed to this disk. The selected disk is of the GPT partition table.' You will know why these errors occur and how to fix them accordingly after reading this article.

Windows cannot be installed to this disk. The selected disk has an MBR partition table.

Cause of 'The Selected Disk Has an MBR Partition Table'

The error message 'Windows cannot be installed to this disk. The selected disk has an MBR partition style' has given you the reason why Windows cannot be installed to 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 to boot from a disk with the MBR partition table. However, many users have confusion about what MBR partition table is, what an EFI system is, and why can't Windows installed on an MBR disk on an EFI system. Here are the answers.

What Is an MBR Partition Table

The partition table decides the layout of the hard drives like an HDD or SSD and tells Windows how to access the data on it. MBR partition table is a traditional partitioning method that supports disks with a maximum size of 2TB. Besides, the MBR partition style has a limit that you can create at most four primary partitions on the MBR disk.

Contrary to MBR, the GPT partition table is a newer standard for disk partitioning. GPT supports disks larger than 2TB and has theoretically no limit on how many partitions you can create on the disk.

Both MBR and GPT are the frequently used partition styles on computers. For more introduction, refer to the article about MBR vs GPT.

What Is EFI

Most of the computers use either of the boot mode: BIOS or UEFI (Unified Extensible Firmware Interface). The EFI, Extensible Firmware Interface, is the name of the partition that stores the UEFI boot files.

Why Cannot Windows Be Installed to the MBR Disk

MBR disks use the standard BIOS partition table and GPT disks apply UEFI. That means if your computer has the traditional BIOS firmware, you should install Windows on an MBR disk. Similarly, if the computer is UEFI-based, you can only install Windows on a GPT disk.

You are now clear about why the prompt saying 'Windows cannot be installed to this disk. The selected disk has an MBR partition table.' appears. That's because you are trying to install Windows on an MBR disk on the computer which has UEFI firmware, which is incompatible.

How to Fix 'Windows Cannot Be Installed to This Disk MBR'

How do you fix 'Windows cannot be installed to this disk'? The solution is easy to conclude: change MBR to GPT. Then how can you convert MBR to GPT? There are two methods.

Method 1. Change MBR to GPT with Partition Tool

The professional partition tool - EaseUS Partition Master will help you to create a bootable USB/CD/DVD packaged with the utility, with which you can boot your computer from and then use EaseUS Partition Master to change the disk from MBR to GPT. With this tool, you can convert the disk without deleting any existing partition and no data will be erased. Therefore, if you want to fix 'Windows cannot be installed to this disk MBR' without losing data, using EaseUS Partition Master to change MBR to GPT is advisable.

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 Windows 10 is supported

Step 1. Prepare a disc or drive. To create a bootable disk of EaseUS Partition Master, you should prepare a storage media, like a USB drive, flash drive, or a CD/DVD disc. Correctly connect the drive to another bootable computer. Then, launch EaseUS Partition Master, go to the "WinPE Creator" feature on the top. Click on it.

create easeus partition master bootable disk

Step 2. Choose USB or CD/DVD according to the device you connect to the computer.

create easeus partition master bootable disk

Step 3. Connect the WinPE bootable disk to the computer. Restart your computer and press F2/Del at the same time to enter BIOS. Set to boot the PC from "Removable Devices" (bootable USB disk) or "CD-ROM Drive" (bootable CD/DVD) beyond Hard Drive. Press "F10" to save and exit.

Step 4. Launch EaseUS Partition Master. Right-click the GPT disk that you want to convert and select "Convert to GPT". Then, you will add a pending operation.

convert MBR to GPT

Step 5. Click the "Execute Operation" button at the top-left corner. Next, click "Apply" and begin to convert the MBR disk to GPT.

convert MBR to GPT

Method 2. Convert MBR to GPT with Windows Installation Media

If you attempt to install Windows via the Windows installation DVD or USB, you can also apply it to convert MBR to GPT. However, this method will erase all the existing files on the disk. If you prefer to avoid data loss, you need to use method 1 or back up your files on the disk with the file backup software - EaseUS Todo Backup. To make a backup of the MBR disk, you also need to create a bootable device via the software.

Step 1. Turn off the PC and put in the Windows installation DVD or USB.

Step 2. Boot the PC from the DVD or USB.

Step 3. In Windows Setup, press "Shift + F10" to start Command Prompt.

Step 4. Enter the following command in order:

Click to copy

Step 5. Close Command Prompt.

Step 6. Continue the Windows installation.

Most of the computers running Windows 10 support the UEFI firmware with BIOS-compatibility. On computers like that, you can also change UEFI to BIOS mode to fit the MBR disk. However, since the error message 'Windows cannot be installed to this disk. The selected disk has an MBR partition style. On EFI systems, Windows can only be installed to GPT disks' suggests that it's UEFI-based firmware, you can only convert MBR to GPT to fix the issue.

Related Questions

There are some hot issues related to MBR disk you may be interested in.

"How do I change MBR to GPT?"

If the computer can boot properly, you can change MBR to GPT via Disk Management. If your computer cannot boot, you can use EaseUS Partition Master or Windows installation media to convert MBR to GPT.

"How do I get rid of the MBR partition table?"

The partition table is necessary to use a disk. Thus, you cannot simply get rid of the MBR partition style. Instead, you should convert it to GPT if you don't want it.

"Can Windows 10 installed on MBR partition?" or "Can Windows be installed on MBR?"

Whether you can install Windows on MBR or not depends on the firmware of the computer. You can Windows 10 install on MBR partition if the computer is BIOS-based or UEFI-based with BIOS-compatibility.

The Bottom Line

The only solution to 'Windows cannot be installed to this disk MBR' is to change MBR to GPT. To get it done, you can either use the partition tool - EaseUS Partition Master or Windows installation DVD/USB, depending on whether you want to keep the files on the MBR disk. Hope this article can help you solve the 'Windows cannot be installed to this disk. The selected disk has an MBR partition table' successfully.

 
 

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