What If You Can't Boot Windows 11 After Enabling Hyper-V?

Windows 11 fails to boot after enabling Hyper-V? This article will provide possible solutions. If your Windows 11 fails to boot after Hyper-V is enabled, please continue reading.

The computer cannot start after enabling virtualization

Microsoft Hyper-V (known as Windows Server Virtualization before release) is a native hypervisor that allows you to run multiple operating systems as virtual machines on Windows. For more information, please refer to our previous article - What is Hyper-V? The basics of Hyper-V you should know.

Although Hyper-V plays an important role in your Windows computer, it can also cause some problems. Many computers reportedly fail to boot Windows 11 and enter the lock screen after Hyper-V is enabled.

Why does this startup problem occur? Analyzing the reasons, you may find:

1. A third-party application prevents Windows 11 from starting when Hyper-V is active.
2. Some system files are missing or corrupted.
3. You haven't updated Windows 11 for a long time.

Stay calm when you encounter this problem, and there are some things you can do to fix it easily. Keep reading to the next section to learn how to solve this problem with some tips.

Related Articles: How to enable Hyper-V on Windows 11? Here are 3 ways

Method 1: Uninstall Trusteer Rapport

You may use Trusteer Rapport to protect your system from financial malware and phishing attacks. However, this application may be the culprit that causes Windows 11 to fail to boot after Hyper-V is enabled.

To resolve the startup issue, you should uninstall this application. Please follow these steps:

Step 1: Start your computer and press F2 or Del to enter the BIOS menu. (The keys to access the BIOS may vary depending on the computer brand, you can refer to this guide - [5 ways] How to enter the BIOS when Windows 11 restarts.)

Step 2: In the BIOS, go to the Advanced tab to find the virtualization settings and disable it. The system will then boot to the desktop.

Step 3: Press Win R , type appwiz.cpl , and then click OK to open the Programs and Features window.

Step 4: Find Trusteer Endpoint Protection , right-click it, and click Uninstall . Then, complete the uninstallation.

Step 5: Restart the computer and enable virtualization in the BIOS and Windows 11 will boot normally.

Method 2: Disable the flags in BCD

If Windows 11 fails to boot after Hyper-V is enabled, you can try running the command prompt and disabling an important flag in the BCD. This flag is said to be infamous because it always causes previous versions of Windows to appear in startup repair loops. In Windows 11, it may appear again after Hyper-V is enabled.

To fix it, follow these steps:

Step 1: Boot your computer and restart it when you see the Windows logo. Repeat this three times and your computer will enter the automatic repair window. Just click on the Advanced option to enter WinRE.

Step 2: Go to Troubleshooting > Advanced Options > Command Prompt .

Step 3: Type BCDedit /set hypervisorlaunchtype Off and press Enter .

Step 4: After that, restart the computer and see if the startup repair loop is resolved.

Method 3: Run the system restore

If Windows boot fails after Hyper-V is enabled, if you have a restore point, you can use the restore point to restore the computer to its previous state.

Step 1: Go to WinRE and click Troubleshooting > Advanced Options > System Restore .

Step 2: Select a restore point.

Step 3: Confirm the restore information and click Finish .

Method 4: Reinstall Windows 11

If all fixes fail to solve the problem that Windows 11 fails to boot after enabling Hyper-V, the only way you can try is to reinstall the operating system.

Before proceeding, we recommend that you back up important files stored in disk C, as the installation erases everything in the system partition. To ensure data security, run MiniTool ShadowMaker and follow the guide - How to Backup Windows 11 to an external drive (files and systems).

Then, reinstall Windows 11 using one of the methods in this article - How to reinstall Windows 11? Now try 3 easy ways.

in conclusion

Windows 11 fails to boot after enabling Hyper-V? Now you have learned how to use the given solution to resolve this startup problem. If you have any other solution, please email us.

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