[Tested & Effective] Delete All Partitions on Windows 10/8/7 PC at One Time

Can I Delete All Partitions Windows 10?

Yes, it is possible to delete all partitions on a Windows PC. You can use the built-in Disk Management tool in Windows to delete all partitions, including the primary and secondary partitions, and then reinstall Windows OS. To do this, go to the Disk Management tool, select the disk you want to wipe, right-click, and select "Delete Volume" or "Delete Partition".

Unfortunately, it's not possible to delete the system partition in Windows, as it's a protected partition that contains the operating system and essential system files. However, you can delete other partitions and then create a new partition to replace the old one. If you really need to delete the system partition, you'll need to boot from a Windows installation media (such as a USB drive or CD/DVD) and use the built-in Disk Management tool to delete the partition. Note that this will erase all data on the system partition, so be sure to back up any important files before proceeding. Additionally, if you're running Windows 10, you may need to use the Windows Recovery Environment (WinRE) to access the Disk Management tool.

If you want to free up space on your Windows PC by deleting all partitions, there are three ways to do so. You can use powerful partition manager software to automatically delete all partitions at once, or you can use Disk Management to remove them individually. Alternatively, you can use the Diskpart command in Command Prompt to delete all partitions on your Windows 10 device.

Tip

If you have important data saved on your computer's hard drive or SSD in Windows 10/8/7, back it up and transfer all data to an external hard drive before any system changes.

How to Delete All Partitions Windows 10 in 3 Easy Ways

If you're looking for an easy way to delete all partitions on an HDD or SSD in Windows 10, 8, or 7, you have three methods to try. You can delete all partitions at a time using these methods, and they're easy to follow. Just try one of them to remove all partitions on your own.

To resolve the issue, you can try using Qiling Partition Manager software, specifically Qiling Partition Master, which is a 100% effective trick. Alternatively, you can use a free guide by employing a disk management tool or executing diskpart command lines in Methods 2 and 3, respectively.

Method 1. Delete all partitions at one time with partition manager software

Qiling partition manager software has a feature called "Delete All" that enables users to delete all partitions on a hard drive at once.

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To delete a partition smoothly, install Qiling Partition Master on your PC and activate it to a full version. This will enable you to follow the guidelines below for a seamless partition deletion process.

Step 1. Run and enter Qiling Partition Master interface.

Step 2. In the "Disk management" page, select a partition that you want to delete and click "Delete".

If you have other partition to delete, please repeat do this step.

After using Qiling Partition Master, you'll have an empty second hard disk or SSD on your PC, allowing you to create partitions and utilize the space. This tool offers a range of one-stop disk partition features, including resizing or moving partitions to address low disk space issues, cloning disks, merging partitions, creating, deleting, or formatting partitions, wiping data, and converting disks or partitions.

Method 2. Delete all partitions Windows 10 with Disk Management

If you don't want to use a third-party tool, Windows Disk Management can help you delete partitions from your HDD or SSD. However, this built-in tool only allows you to remove partitions one by one, rather than deleting all of them at once.

1. To access Open Disk Management on a Windows computer, right-click on "This PC" or "My Computer" and select "Manage" from the context menu. This will open the Disk Management utility, which allows you to manage and configure disk storage on your computer.

2. Right-click on the second hard drive or SSD partition and select "Delete Volume".

3. To delete all partitions from a hard drive in Windows 10/8/7, repeat the following steps: delete all existing partitions from the hard drive until all space on the hard disk drive is unallocated, then create new partitions to start again.

Method 3. Delete all partitions with Disk Cleanup command line

1. Right-click Start button and select Command Prompt.

2. Type: diskpart in Command Prompt and hit Enter.

3.Type: list disk and hit Enter.

4. To access the second hard drive or solid state drive, type "select disk 2" and press Enter, replacing 2 with the actual disk number of your second drive.

5. Type: clean and hit Enter.

6. Type: exit to finish the whole process.

After this, all partitions will be removed from the hard drive, and you'll have the opportunity to re-partition the hard drive by creating new partitions using the unallocated space.

How to Delete All Partitions Windows 10, Including the System Partition with OS

To delete all partitions on Windows 10, including the system partition, you can use a third-party tool like Disk Management or a partition manager software, or boot from a Windows installation media and use the built-in Disk Cleanup tool. However, be cautious as deleting system partitions can cause data loss and system instability, and it's recommended to back up all important files and data before proceeding.

To save time and energy, the best way to delete all partitions on Windows 10 is by using the ultimate Qiling Partition Master, which can be applied with the operating system using a Windows 10 bootable USB drive.

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Step 1. Boot from Qiling Partition Master bootable USB drive or CD/DVD disc. Learn how to create and access Qiling bootable disk.

Step 2. In the "Disk management" page, Select a partition that you want to delete and click "Delete".

If you have other partition to delete, please repeat do this step.

Conclusion

In this post, we have shown you three ways to delete all partitions on Windows 10/8/7, providing you with a comprehensive guide to completely wiping your computer's hard drive.

Qiling Partition Master allows you to delete all partitions from a disk at once, and can even delete the system partition in a WinPE environment using a bootable USB drive.

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Disk Management can help to delete partitions one by one, but when there are many partitions, this method is not very efficient.
Using Diskpart in CMD to remove all partitions on a hard drive is a method that should be approached with caution. It's recommended for advanced computer users only, as any incorrect operation can potentially damage the hard drive.

Delete All Partitions Windows 10 FAQs

Go on check the following relevant questions on how to remove all partitions from a hard drive on Windows 10, 8, and 7.

Can I delete all partitions?

To delete all partitions on a hard drive, you can use Qiling partition management software, which offers a "Delete All Partitions" option to remove all partitions at once, making the process easy and efficient.

If you need to delete all partitions on a system disk, you can use Qiling Partition Master with a bootable USB drive to achieve this. This approach allows you to safely remove all existing partitions and start fresh, which can be useful in certain system maintenance or reinstallation scenarios.

Can I delete all partitions when reinstalling Windows 10?

To achieve a 100% clean Windows 10 install, you must completely remove all partitions from the system disk, rather than just formatting them. This involves deleting all partitions, resulting in some unallocated space. You can accomplish this using Qiling Partition Master's WinPE bootable disk, which allows you to delete the primary and system partitions.

How do I unpartition a hard drive in Windows 10?

To unpartition a drive in Windows 10, you can use the built-in Disk Management tool. To access it, press the Windows key + R to open the Run dialog, type "diskmgmt.msc" and press Enter. In the Disk Management window, right-click on the partition you want to delete and select "Delete Volume".

Step 1. Right-click the Start button and click "Disk Management".

Step 2. Right-click the target partition and choose "Delete Volume".

Step 3. Select "Yes" to start to unpartition and remove partitions from your hard drive.

What is the fastest way to remove all partitions from a drive?

To quickly remove all partitions from a hard drive, use a dedicated disk partition tool that can efficiently handle the task. Examples of such tools include DBAN (Darling Beasts Avoid Nuke) and KillDisk, which are specifically designed for securely wiping data from hard drives, including removing all partitions.

Step 1. Download and run Qiling Partition Master.

Step 2. Click the hard drive you want to remove partitions from, then choose "Delete".

Step 3. If you have other partition to delete, please repeat do this step 2.