Efficiently Resolve the 'Selected Disk Has an MBR Partition Table' Error

Updated by

Sherly 

Written by

Tracy King 

Updated on April 22, 2024

Key Note on Resolving 'The Selected Disk Has an MBR Partition Table':

Installing the Windows operating system on your desktop or laptop is a straightforward process. However, occasionally, you might encounter some errors while carrying out the installation. One specific error you might come across is "The selected disk has an MBR partition table."

In this guide, we will present efficient methods with comprehensive tutorials to resolve the "The selected disk has an MBR partition table" error. So, continue reading if you are a Windows user aiming for a smooth, error-free installation.

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To rectify this issue, several practical approaches can be employed. Here's a comprehensive guide outlining these methods to assist you.

Guide to Resolve the 'Selected Disk Has an MBR Partition Table' Error

The question at hand is how to eliminate this error. To address this issue, this guide will introduce various methods to assist you. Below are the details of these methods.

#1. Convert the OS Disk from MBR to GPT

The first approach to rectify this error is by converting the operating system disk from MBR (Master Boot Record) to GPT (GUID Partition Table). There are numerous tools available in the market for this task. Alternatively, you can execute this conversion directly through the Command Line Interface. In this instance, we will utilize a third-party application like tools Partition Master along with the Windows Command Line Interface to transform the OS disk from MBR to GPT.

Guide 1: Convert MBR to GPT using Partition Master Tool

Tools Partition Master是一款全面的PC磁盘管理工具。使用Tools Partition Master，您可以安全地进行磁盘大小调整、扩展和克隆，同时确保数据完整性。此外，它还具有将MBR系统磁盘转换为GPT的专用功能。该应用程序在Windows 10和11上运行良好。因此，请下载此软件以进行安全的磁盘转换。

Step 1. Download and launch Partition Master on your computer.

Step 2. Proceed to Disk Converter, choose "Convert MBR to GPT," and click "Next" to proceed.

Step 3. Select the target MBR disk that you want to convert to GPT and click "Convert" to start the conversion.

Please feel free to share this incredible tool to assist more of your friends in converting disks from MBR to GPT online:

Guide 2: Convert MBR to GPT using DiskPart Command Lines

Windows OS includes an internal disk utility called DiskPart that you can use to convert a disk from MBR to GPT. Though slightly slower than using a third-party application like Partition Master, this method is still effective.

Furthermore, you'll also need to use the Windows installation media to access Command Prompt to carry out this task. Here's how you can proceed with this process.

Step 1. Press the Shift and F10 keys on the Windows installation screen to open the command prompt.

Step 2. Apply the following commands to perform the conversion:

• diskpart
• list disk
• select disk (enter the number of the disk after this command)
• clean
• convert gpt

Now, continue with the Windows installation process. You won't encounter this issue anymore during the Windows OS setup.

#2. Disable UEFI and Enable Legacy Boot Mode in BIOS

Another solution to rectify this issue is to enable the Legacy Boot Mode in the BIOS settings. Disabling the UEFI mode will消除错误，允许你安装Windows操作系统。以下是进入BIOS设置并进行此操作的步骤指南。

Step 1. Restart your computer and access the BIOS settings. The method for entering BIOS varies between different brands like HP and Dell, so ensure you press the correct keys.

Step 2. Within the BIOS settings, navigate to Boot Devices. Here, you will locate the Boot order, allowing you to disable EFI sources. Additionally, you can alter the DVD drive from UEFI to SATA or Legacy Mode for this purpose.

Step 3. Finally, save the changes and exit to continue with the Windows installation.

You won't encounter the error anymore while installing Windows on your system.

Overview of The Selected Disk Has an MBR Partition Table 翻译为英文是： Overview of The Selected Disk Has an MBR Partition Table

Before diving straight into the efficient solutions for this issue, it's crucial to understand what this error is and the reasons behind its occurrence.

It's a disk-related error that prevents the installation of the Windows operating system. This issue typically arises due to a compatibility conflict between your BIOS type and the hard drive partition style. Systems with UEFI BIOS exclusively support GPT (GUID Partition Table) style disks, whereas Legacy BIOS supports MBR (Master Boot Record) partition style.

Therefore, when the disk uses the Master Boot Record (MBR) and the system is on UEFI BIOS, it simply results in this error. Upon encountering this error, you cannot proceed with the remaining Windows installation process.

Tips to Prevent "Selected Disk Has an MBR Partition Table" Error

Although you can usually rectify this issue with some effort, it's always best to prevent such errors from occurring in the first place. Here are a few guidelines to help you avoid this error during the installation process for Windows. These tips include:

1. To ensure compatibility, it's crucial to verify if your computer's motherboard supports Legacy or UEFI modes. You can obtain this information from the boot menu of your system. This step will prevent any possible errors from arising.

2. Verify the computer's compatibility with various operating systems, like Windows and Linux. To do this, you can refer to the system's product description.

3. Verify that the disk on which you plan to install the operating system has an acceptable partitioning style for a seamless installation process. If the disk does not have the appropriate partitioning style, it will need to be adjusted to support further installation.

Conclusion

In this guide, we comprehensively examined the error "The Selected Disk Has an MBR Partition Table" from every perspective and angle. We delved into the reasons behind its occurrence and provided step-by-step solutions, including the use of tools like Partition Master, DiskPart, and adjustments in BIOS settings. This guide aims to simplify the process for you, enabling you to easily rectify this error should you encounter it during your next Windows OS installation.

Furthermore, you can also refer to the following FAQs if you have any additional questions regarding this issue. It will clarify everything for you.

Frequently Asked Questions About Fixing The Selected Disk Has MBR Partition Table

Disk partitioning is a somewhat complex subject. This FAQ section will address most of the questions you currently have in mind.

< strong >1. Can I fix 'the selected disk has an MBR partition table' without losing data?

Yes, you certainly can. All you need is to utilize a tool like Partition Master, which ensures a secure disk conversion process.

2. What should I do if Windows cannot be installed on a disk with a GPT partition style?

You can utilize the Windows DiskPart feature through the Command Line Interface or a third-party application to convert GPT to MBR. Additionally, you can enable Legacy Boot Mode in the BIOS settings.

For a detailed walkthrough, refer to this page: Windows Cannot Be Installed to This Disk. The Selected Disk is of GPT Partition Style.

3. Why can't I convert my MBR disk to GPT? What should I do?

The reason you can't convert an MBR disk to GPT is due to the presence of existing partitions on the disk. When the disk is empty and contains no partitions, you can proceed with converting your MBR disk to GPT.