Are you suffering from the “new partitions appear after Windows update” problem? How to solve it? If you are looking for effective methods for this issue, you can read this post of MiniTool Partition Wizard to learn the fixes.

New Partitions Appear After Windows Update

Many users who have installed Windows 10 April Update on their computers have noticed that new partitions appear in File Explorer and Disk Management. These partitions are typically between 400 MB and 1 GB in size and contain important information used by the Windows Recovery Environment (WinRE) or the device manufacturer.

If you are also bothered by this “new partitions appear after Windows 10 update” problem, you can read this post to learn why this happens and how you can fix it.

Note:
Do not delete or reformat these partitions as this may prevent you from restoring Windows if needed.
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How to Solve New Partitions Appear After Windows Update

To solve the “new partitions appear after Windows update” issue, you can try to hide them again by removing the partition’s assigned drive letter.

Way 1. Use Command Prompt

You can try to remove the drive letter by using Command Prompt, which is a command line interface for the Windows operating system. Follow the detailed steps below.

Step 1: Press the Windows + R keys to open the Run box. Then type cmd in the box and press the Ctrl + Shift + Enter keys to run Command Prompt as administrator.

Step 2: In the Command Prompt window, type the following command, where drive letter is the drive letter you want to remove: mountvol driveLetter /d. For example, if the drive letter you want to remove is F, you would enter the following:

mountvol F: /d

remove the drive letter

Step 3: After typing the command, press Enter.

The drive letter will no longer appear in File Explorer and Disk Management. You may close the command prompt window.

Way 2. Use MiniTool Partition Wizard

If you encounter the Command Prompt not working issue, you can use the professional partition manager – MiniTool Partition Wizard to remove the drive letter. As a multifunctional tool, MiniTool Partition Wizard can help you manage disks and partitions safely and conveniently.

MiniTool Partition Wizard has many useful features. It can migrate OS, clone hard drive, recover partitions, recover data from hard drives, etc.

MiniTool Partition Wizard FreeClick to Download100%Clean & Safe

Step 1: Download MiniTool Partition Wizard, install and launch it to get its main interface. Then choose the partition of which you want to remove its letter, then right-click it and select the Change Letter function.

select the Change Letter option

Step 2: In the pop-up window, select None as New Drive Letter. Then click on OK.

select None as New Drive Letter

Step 3: Click on the Apply button to apply the changes.

Tips:
If you find a partition disappears in Windows 10 anniversary update, you can also use MiniTool Partition Wizard to restore the lost partition. Its Partition Recovery feature can help effectively recover partition that is lost due to Windows update, mistaken deletion, virus attack, wrong ghost, sudden power outage, incorrect partitioning, etc.
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Bottom Line

When faced with the “new partitions appear after Windows update” issue, you can try the two methods above. If you have any other suggestions, you can share them with us in the following comment zone.

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About The Author

Vega
Vega

Position: Columnist

Vega joined MiniTool as an editor after graduation. She enjoys helping people with computer problems, including disk management, data recovery, and more. She is constantly expanding her knowledge in related fields. And she will continue to bring more easy-to-understand professional articles to help people solve various problems on the PC. In her daily life, Vega enjoys hanging out with friends, shopping online and listening to music. She is someone who knows how to enjoy life.