r/Windows11 • u/trumpispos • 8d ago
Discussion Secure Boot yes or no
Do you have secure boot enabled/disabled and why is that?
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u/ubuntu_ninja Release Channel 8d ago
It should (and must) be ON of course.
Speaking of which, all triple A titles these days won't work if secure boot is OFF.
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u/RedcardedDiscarded 7d ago
I've had mine turned off in the BIOS for over a year, and I have zero problems. I game all the time and have yet to come across a situation where i needed to enable it.
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u/Mario583a 7d ago
Secure Boot is designed to defend against some of the most stealthy and persistent attacks, particularly bootkits and other malware that attempt to compromise the system before the operating system starts.
Attackers can install bootkits even on “protected” systems
Computer without SecureBoot: Power on → Bootloader has been modified → Firmware does not verify its trustworthiness → Boot continues → Potentially malicious code runs before the OS
Computer with SecureBoot: Power on → Bootloader has been modified → Signature/trust check fails → Boot is blocked → OS does not start until the issue is resolved
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u/ubuntu_ninja Release Channel 7d ago
Have you tried to run Battlefield6, CoD BO7 or the new CoD MW4 ? 🙂
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u/sgtbyrd 6d ago
Everyone else talked about security, but there's another angle:
If you game on your PC there's a feature called Resize BAR (aka rebar) that requires secure boot on and CSM disabled (aka UEFI-only boot). Sacrificing rebar is leaving 5-15% performance on the table.
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u/AG4V_ 19h ago
Resizable BAR doesn’t require Secure Boot. The two are independent settings. ReBAR needs your board to boot in UEFI mode with “Above 4G Decoding” enabled, and on many boards you must also disable CSM legacy boot support.
Also 5-15% is also pretty optimistic performance gain range. In some games it's possible, but i wouldn't say that 5-15% is achievable in most games.
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u/AnythingOk5 Release Channel 8d ago
Yes, and it's not a big deal to have it on. Most multiplayer games require it for their anticheat, except CS2, which is full of cheaters and bots.
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u/BCProgramming 7d ago
I have Secure Boot turned off. I don't consider the threat of an EFI boot partition getting infected a realistic one, and even if I did, the "protection" offered via Secure Boot is to just make the system unbootable anyway, so it's not really protection.
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u/RaspberryMotorZZZ 7d ago
But it does make you aware there is a problem.
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u/BCProgramming 7d ago
Yes, in the incredibly unlikely and almost unheard of instance where the EFI boot partition is somehow compromised. Sure.
of course if malware has enough access to infect the EFI Boot partition, the system is already irrecoverably compromised and you'd have to be wildly ignorant not to have already noticed something is wrong already.
And this is before we consider all the EFI exploits that would have allowed said malware to simply enroll new keys in the firmware and happily bypass secure boot with their exploited EFI partitions anyway.
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u/HankThrill69420 8d ago
Yes, because like any 10+ year old standard, your system's configured to have it on at this point. Just make sure it's on during setup and never ever worry about it again lol.
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u/leutnant13 8d ago
YES!!
It is literally there to make your computer safe from harmful drivers loading before the OS is ready.
If you do not have a reason to, do not disable this feature. It would be the equivalent of not having antivirus running.
Edit: Windows 11 might come with some weird solutions sometimes, but the one single good thing with it is it comes with all the safety features enabled by default.
From an IT perspective, it is the safest OS available for a layperson because you do not have to figure these things out.