Now according your case, proceed as follows: On the System Information page, check the BIOS Mode and the Secure Boot Status.Ĥ. Type msinfo32 and click OK to open System Information.ģ. Press Windows + R keys to open the run command box.Ģ. To know if Secure Boot is On, OFF or Unsupported on your device, follow the instructions below:ġ. Check the state of Secure Boot & BIOS Mode. How to FIX: Secure Boot Unsupported or Off (Disabled) & Cannot Install Windows 11. Related article: How to Install Windows 11 without TPM on Unsupported CPUs.In this tutorial you'll find step-by-step instructions to fix the following problems when you try to install Windows 11: Your computer is not UEFI & Secure Boot capable.Your computer is set to Legacy boot mode, which does not support either Secure Boot or GPT partition style.Your computer is set to UEFI boot mode but Secure Boot is OFF (Disabled).So, if you get the error "Secure boot is not supported" or "Secure boot is not available", then one of the following is probably happening: Microsoft has made secure boot a prerequisite for users who want to upgrade to Windows 11. Windows 8, 8.1 & 10 are designed to operate also in UEFI boot mode, which uses the GUID Partition Table (GPT), in order to take advantage of the advanced features offered by the UEFI, such as the "Secure Boot" security feature. Windows 7, Vista and XP used to operate in Legacy boot mode (also known as "CSM" Mode), which uses the Master Boot Record (MBR) Partition table. Secure boot is available on almost all modern computers and is built into the UEFI (Unified Extensible Firmware Interface), to prevent malware from taking over the computer during the boot process. Microsoft, starting with Windows 8, supports a new security feature called Secure Boot. If you try to install Windows 11 and you can't because Secure Boot is Unsupported or Not Available, continue reading below.
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