I wiped my Windows 8, thinking I could install Windows 7 x86, but I can't because the disk is GPT. I need to convert to MBR. I'm trying to use GParted to convert to MBR, but it seems GParted can only do the opposite. I hope someone can tell me how to convert GPT to MBR without accessing an OS.
As you said, you have wiped Windows 8 on your computer and need to convert GPT to MBR now. The problem is how to convert GPT to MBR without accessing an OS. Stay calm. This article will provide two reliable ways to help you solve the problem. Follow up if you're interested in further information.
Convert via EaseUS Partition Master
As a professional partition management software, EaseUS Partition Master is relatively efficient and safe in disk conversion. In addition, its Bootable Media feature can enable you to convert the disk from GPT to MBR without the OS.
Follow the step-by-step-tutorial to convert GPT to MBR without accessing OS:
Step 1. Open EaseUS Partition Mater. Go to the "Bootable Media" section, choose "Create bootable media," and click "Next."
Step 2. Select the target USB and click "Create" for the EaseUS bootable media.
Step 3. Connect a USB to your computer and set it to boot from EaseUS USB bootable media.
Restart the computer and press F2/Del to enter BIOS settings. Set to boot the computer from "Removable Devices" and press "F10" to save the change.
Step 4. After you enter the interface, use the "Disk Converter" feature of EaseUS Partition Mater:
Choose "Convert GPT to MBR" and click "Next" to proceed.
Step 5. Select the target GPT disk that needs to convert to MBR and click the "Convert" button to start the conversion process.
After operating the above steps, you may continue to install Windows 7 x86 on your new MBR disk. EaseUS Partition Mater is a reliable program to help you fix the issue. However, if you are an experienced user, you can use the second way - use command lines to convert GPT to MBR without an OS.
More Information: How to Install Windows on New PC
Convert via CMD
If your computer has no OS and needs to convert the disk to MBR, follow the instruction carefully to complete the task:
Step 1. Boot the computer and press "Shift+F10" when the welcome screen comes up to open the Command Prompt window.
Step 2. Type the following CMD and hit "Enter" after each.
Step 3. Type exit to enable the changes and close the window.
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