I've been using a Windows 11 PC where Secure Boot was working fine, but now it seems to disable itself. Whenever I try to re-enable it in the BIOS, I end up getting a black screen after hitting the apply settings button. I can power off my PC and go back into the BIOS to turn it off again, and everything runs smoothly. I'm puzzled as to why something that used to work fine just stopped functioning.
2 Answers
It sounds like a BIOS issue on your end. Secure Boot shouldn't just turn off by itself. You might want to check if your CMOS battery is getting weak, as that can also cause issues. After enabling Secure Boot, some systems will show a low-resolution screen to confirm changes, which can be tricky for certain GPUs and monitors. If you have integrated graphics, try switching to that to see if you can view the confirmation screen.
It's strange that you're facing this problem repeatedly. Since you've mentioned that updating the BIOS could be risky, I recommend proceeding with caution. Sometimes, outdated GPU drivers can cause conflicts, so updating those might help too. Just remember to back up your data first!
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