How to Delete Multiple Boot Managers from UEFI BIOS

Do you know how to delete multiple boot manager from UEFI BIOS? Having multiple boot managers listed in PC can be confusing and may lead to booting issues. In this article, we’ll guide you through the steps to delete multiple boot managers from your UEFI/BIOS.


By Tina / Updated on July 31, 2023

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About Windows boot manager

Windows boot manager is a crucial component of the Windows operating system, it plays a vital role during the boot process. It is responsible for loading the Windows kernel and essential system files into memory, allowing the operating system to start successfully.

Understanding how Windows boot manager functions is essential for troubleshooting boot-related issues and managing the startup process effectively. If you have multiple entries for boot managers that are no longer in use, it's a good idea to clean them up to avoid Windows Boot Manager boot failed.

How to delete multiple boot manager from UEFI BIOS? In the next part, we’ll share the detailed reasons and a good tool for multiple boot manager deleting.

Why need to delete multiple boot manager from UEFI/BIOS?

While having multiple installations can be intentional for dual-boot configurations or testing purposes, it can also lead to confusion and potential boot-related issues. Here are some reasons for Windows boot manager BIOS removing:

✦ Boot priority: Having multiple Windows Boot Manager entries can make it challenging to determine which installation will be booted by default. This can lead to unexpected behavior, especially if you want to boot into a specific installation consistently.

✦ Boot errors: If the boot entries are not correctly configured or if one of the Windows installations becomes corrupt or inaccessible, it can result in boot errors or a non-functioning boot process.

✦ Cluttered boot menu: A cluttered boot menu can be confusing, especially for less experienced users. Removing unnecessary entries can make the boot menu cleaner and easier to navigate.

✦ Faster booting: During the boot process, the UEFI/BIOS may spend extra time probing for each boot entry, which can slightly increase the boot time. Removing unnecessary entries can speed up the boot process.

✦ Maintenance and updates: Having multiple Windows installations may require more maintenance and updates, which can be cumbersome to manage.

Precautions and considerations for extra boot manager deletion

Before removing Windows boot manager from BIOS, ensure that you are certain about its redundancy. Removing the wrong boot entry could prevent your system from booting correctly.If you are unsure about a particular boot manager, you may want to perform an internet search or consult your computer's documentation to identify the correct entries to delete.

Always be cautious while navigating the UEFI/BIOS settings, as modifying critical options can affect the stability and functionality of your system. Besides, it's a good practice to back up your important data and create a system restore point before making any changes to the BIOS settings. Then, let’s see how to remove Windows boot manager from BIOS.

How to delete multiple boot manager from UEFI BIOS

As the mentioned above, to ensure the smooth booting process, it’s important to delete the multiple boot manager. However, the process is quite difficult for some users, especially for the PC novice. To make the task easy to perform, you can try AOMEI Partition Assistant Professional. This utility can be used on 11/10/8.1/8/7/Vista/XP.

One of its standout features is the "UEFI BIOS boot options manager", which facilitates effortless and swift adjustments to your boot order. With this function, you can easily delete, back up, restore, and refresh your UEFI BIOS boot options without the need to manually access the BIOS and navigate through complex boot item modifications. As a result, it significantly streamlines the process of managing boot options, saving you valuable time.

In addition, this brilliant disk management tool also shares other functions for you to have a better PC, including Shred files/folders, Delete large files, SSD secure erase, Rebuild MBR, Disk cloning, System Migrations, and more.

Download Demo Win 11/10/8.1/8/7/XP
Secure Download

The "UEFI BIOS boot options manager" function is exclusively compatible with GPT disks. If your disk is currently in MBR format, you'll need to convert to GPT disk before using the software.
If the Windows boot manager is the current boot environment, the "delete" option will be grayed out. In such cases, you can delete it once you boot from other available boot items.

Step 1. Install and open AOMEI Partition Assistant. Navigate to the "Tools" main tab and choose "UEFI BIOS Boot Options Manager".

Boot Manager Tool

Step 2. Boot your computer using an alternative startup item. Locate "Windows Boot Manager" and select the "Remove" button on the right.


Step 3. After successfully deleting the Windows Boot Manager, you have the option to either restart your computer immediately by clicking "Restart Now" or simply close the Manager window by selecting "Cancel".

Restart Now

To sum up

How to delete multiple boot manager from UEFI BIOS? Cleaning up multiple boot managers from UEFI BIOS can streamline your boot process and reduce confusion during system startup. By following the steps outlined in this article, you can easily identify and delete redundant boot entries, ensuring a more organized and efficient boot menu.

By the way, to perform the task on Windows Server, you need to turn to the Server Version.

Tina · Staff Editor
Tina is an English editor of AOMEI Technology. She has a positive attitude and full of energy. On her work, she always keeps thinking to figure out the solutions for users' problems, and writes the answers so that can help someone. In her daily life, she likes to sing, watch TV and sleep. She always being grateful and happy to all the things happened and all the people encountered.