Why Can't I Boot into Windows 11 with Secure Boot Enabled?

March 27, 2026 2 answers
Asked by TechieBear47
I'm trying to enable Secure Boot on my system, but every time I do, I can only boot into the BIOS and not into Windows 11. My system is set to UEFI, I have TPM 2.0 installed, and my SSD is formatted with GPT. I've done everything I can think of to troubleshoot this issue, but nothing has worked. Any suggestions?

Answers

GadgetGuru92
It sounds like your Windows installation might be in legacy/MBR mode even though your drive is configured to GPT. To fix this, you could either reinstall Windows in UEFI mode or use a tool called mbr2gpt to convert your setup to UEFI. This should help with the boot issues youโ€™re experiencing because Secure Boot wonโ€™t work with a legacy Windows install.
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DigitalNomad88
Just to clarify, is your Windows installed on the SSD or a USB stick? If you're booting from a USB for installation, sometimes those need Secure Boot turned off during the setup and then turned back on afterward. If Windows is on your SSD, you might want to check the settings you used for your initial setup, or see if there's an option in BIOS that could be affecting the boot process.
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