We Couldn’t Create a New Partition Error In Windows 7, 8 and 10

Sometimes we create partitions on our computer to save data in a way that can be retrievable easily. We may save Pictures in D drive, Software and computer backups in E drive and other stuff in F drive and so on.

While creating partition we may come across different errors. We may come across an error stating ” We couldn’t create a new partition” while working on windows 10.

There can be many reasons for this error. You can face this error while installing Windows 1o.

Port configuration is not proper in BIOS settings and many others. In this article, I will guide you through a few of the fixes for this error.

Try Using DiskPart

Try to create a partition using DiskPart disk management utility available in Windows 10.

Click on the start menu and start typing the command prompt. Click on Run as an Administrator.

Now on command prompt, type diskpart and press enter. Now you are in the disk configuration utility. Type list disk and it will show the disks connect with your computer.

Select the disk where you want to create a partition. Type select disk and then the disk number like select disk 1.

Type the following commands one by one and press enter.


Create Partition Primary

format fs=ntfs quick



This will delete the files from your hard disk and make it active primary partition.

Make Your Partition Active

Click on the start menu and start typing the command prompt. Click on Run as an Administrator.

Write diskpart to get into disk partition configuration utility. Type list disk to show the attached disks with your computer. Now select the disk where you want to perform the actions on partitions. Type select disk 0

Type list partitions and press enter. This will show partitions created on the disk. Select the partition by typing select partition 1 command. (In your case see which partition you want to active). Type Active to active the partition.

Disconnect any USB Drives

If there are any USB drives attached to your computer, trying disconnecting them from your computer and make sure only one Windows installation USB is attached to your computer. It is also recommended that you should unplug and replug the Windows installation USB drive can fix the issue.

Set your HDD as Primary Boot Device

Make sure your computer HDD is set as a primary HDD. Go to your computer BIOS settings (by pressing F10, F11, or F12 based on your computer manufacturer). Looks for Boot options and select your internal HDD as primary booting devices.

Convert Partition to GPT Format

There are many issues with MBR formatted hard disk. If you are facing an error, try converting your harddisk to GPT format. You can convert using DiskPart.

Run command prompt as an administrator and type Diskpart and press enter.

Now type list disk, this will show the disks connected to your computer. Select the disk which you will convert to GPT format. In this case its disk 1. Type the command select  disk 1 and press enter.

Clean the disk using Clean command.

Once done, type convert gpt and hit enter. Once completed, your disk will be converted to GPT format.

Use Thir-Party Tools

There are many other 3rd party tools available that can help you create a new partition.

You can use Rufus to create a bootable Windows 10 USB/Disk.

Visit https://rufus.ie/ to download the latest version of Rufus to create a Windows 10 disk. You can also use MiniTool Partition Wizard for the same purpose. Minitool partition wizard helps you to perform many disk-related operations from a graphical interface.

Visit https://www.partitionwizard.com/ to download MiniTool Partition Wizard.

Muhammad Imran Habib

Imran is a technology evangelist with 8 years of experience working with some of the Industry leading companies. Imran's expertise includes On-Prem/Virtual Infrastructure deployments, IT Solutions for SMEs, End User Computing Support.

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