Windows 7, Vista and XP previously operated in legacy boot mode (also known as CSM mode), which uses the MBR (Master Boot Record) partition table. Windows 8, 8.1 and 10 are designed to also operate in UEFI boot mode, which uses the GUID partition table (GPT) to take advantage of UEFI’s advanced features, such as the Secure Boot security feature. Microsoft has made Secure Boot a requirement for users who want to upgrade to Windows 11. So, if you receive the error message “Secure Boot is not supported” or “Secure Boot is not available. We have mentioned steps below to Fix Secure Boot State Unsupported on Windows

Ways to Fix Secure Boot State Unsupported on Windows

Change to UEFI Boot Mode

Enable Secure Boot from the BIOS or UEFI

When changing the boot mode, you may have noticed the Secure Boot option. The BIOS/UEFI has control over the Secure Boot mode. If it is disabled in the BIOS/UEFI, this corresponds to the unsupported error in Windows. So, you need to enable the Secure Boot mode in the BIOS. Continue by entering the BIOS and navigating to Boot Mode as described in the section above. If it is a UEFI system, the Secure Boot setting is generally on the Security tab. Then change the status to “Secure Boot Mode” and exit after saving.

Convert MBR to GPT

Final Words

We hope like our article on how to Fix Secure Boot State Unsupported on Windows. Secure Boot protects the system boot process against any harmful attacks, as the name of this security feature suggests. Users have also complained about seeing this “Secure Boot State Unsupported” when attempting to upgrade to Windows 11, as the Secure Boot feature is required for the installation/downgrading of Windows 11. Examine the suggested remedies to manually fix the issue.

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