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Tech News Today
Home » Windows

[Fixed] “Windows cannot be installed to this disk. The selected disk is of the GPT partition style.”

Jabin ManandharBy Jabin ManandharDecember 18, 2022
windows-cannot-be-installed-to-this-disk.-the-selected-disk-is-of-the-gpt-partition-style

You came across the message “Windows cannot be installed to this disk. The selected disk is of the GPT partition style” likely because the disk where you are trying to install windows is set to GPT partition style. On the flip side, the boot mode is set to Legacy BIOS mode.

It is one of the common installation errors but you can get lost while trying to resolve the issue yourselves. So, from switching the boot mode to converting the partition style of the installation drive, here are the ways to quickly fix your error message along with why the message was displayed in the first place.

What Are the Causes for This Error Message?

The error message “Windows cannot be installed to this disk. The selected disk is of the GPT partition style.” indicates that the computer is booted up in Legacy BIOS mode, but the hard disk is partitioned in GPT style. It is basically a compatibility issue between the boot system and the Partition style. However, we have listed some of the possible causes for this error message:

  • Booting up in Legacy mode.
  • Hard drive not configured for UEFI mode.
  • Motherboard supports legacy BIOS only.
  • Why You Should Change the Partition Style?

    Most computer systems these days already come with the ability to use the UEFI boot mode. It provides faster boot time, secure booting, better recovery features and can support few zettabytes of storage devices. Hence, you are better off using UEFI mode whenever possible.

    However, to boot your PC in UEFI mode you must have the drive configured in GPT partition style.

    But if you are using a relatively old PC and it doesn’t have the UEFI feature then your only option is to boot disk with the MBR partition style.

    Therefore, to solve the above error message, we can do two things:

    • Switch the boot mode to UEFI
    • Convert the disk to MBR
    Note: GPT partition style is only compatible with UEFI boot mode whereas Legacy BIOS mode only supports MBR partition style.

    How to Fix “Windows cannot be installed to this disk. The selected disk is of the GPT partition style.”

    Unless you resolve the error message, you cannot continue further with the Windows installation process. Before proceeding with the following fixes you can check if your drive is in the GPT or MBR partition style. Then, you can go through other solutions such as using command prompt and other methods discussed in this guide.

    Boot in UEFI Mode

    When the installation starts, if the PC is booted in the wrong mode, Windows installation will not initialize. So the PC must be in the correct firmware mode. To install Windows on a disk with GPT partition style, you must boot your PC in UEFI mode. However, the problem may arise when your disk is already configured in GPT but you have booted your system in Legacy BIOS mode.

    Here’s how you can boot your PC in UEFI mode:

    1. Power on your PC.
    2. Press one of the function keys F1, F2, F10, F11, or F12 depending on the device manufacturer. If for some reason you are unable to access the boot settings, then you can check the correct key from the manufacturer’s official site.
    3. Select the Boot tab.
    4. Select the UEFI option.UEFI-boot
    5. Save the settings and exit.
    6. Continue with the Windows installation process.

    Convert GPT to MBR Using Command Prompt

    This method requires wiping your drive and converting it to MBR. If you do not mind losing the data, you can proceed directly to the steps. But if the disk contains crucial information, you must create a full backup before even going through these steps.

    1. Boot your PC using DVD or USB Drive.
    2. When the error message is displayed, open Command Prompt by pressing the key combination, Shift + F10. If it does not work for some reason, please return to the initial screen of the installation and press it again.
    3. Type diskpart and press Enter.
    4. Type list disk and press Enter. You will see a list of all disks connected to your computer.
    5. Type select disk # and press Enter. Replace # with the disk number which you want to convert from GPT to MBR.
    6. Type clean and press Enter. This will delete all the partitions and data from the selected disk.
    7.  Type convert mbr and press Enter. This command converts the disk to MBR format.
      Convert-to-MBR-using-CMD
    8. Type, Exit when you see “DiskPart successfully converted the selected disk to MBR format.”
    9. Close Command Prompt.

    After changing the partition style, the disk will have a single unallocated space. Select the disk and click Next. The windows installation should start without any error message.

    How to Change the Partition Style Without Data Loss

    Using a third-party partition tool, we can easily convert the disk partition style from GPT to MBR and vice versa. This method does not require formatting the disk.

    However, if you change the partition style of your system disk the system may not start properly. In that case, you need to proceed with the windows installation process again.

    fix
    Jabin Manandhar

    Jabin is an IT Graduate. Working for almost a year as a tech writer, Jabin has covered a gamut of articles, ranging from Windows troubleshooting, Android, iOS to Internet-related issues. Besides them, he is experienced in Microsoft Office programs and has written numerous articles on Outlook, Excel, and Word. Most of his work includes resolving various Outlook issues and general software fixes. You can contact him at jabin@technewstoday.com

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    1 Comment

    1. Friday on August 18, 2022 12:09 pm

      Thanks 😁was helpful

      Reply

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