What exactly is "UEFI with CSM" boot mode? - Super User
Jan 11, 2018 · Under this question, I was told that "UEFI with CSM" is essentially BIOS mode. It made me quite confused because what I've learnt over the years is far from that. As per my observation, I …
I am changing from CSM BIOS mode to UEFI BIOS mode. Is it safe?
Dec 13, 2023 · I have been told by a professional that choosing uefi mode in BIOS from CSM mode in BIOS is safe. Because in device manager it says that my system is in UEFI mode, I have 2 pictures …
boot - What is CSM option - Super User
Dec 26, 2014 · What is the CSM option in BIOS? If I can't boot into Windows any more, is it because CSM is disabled? Would an ASUS K55 come with this option diabled?
How to switch MSI BIOS from UEFI mode to LEGACY+UEFI mode?
Nov 2, 2024 · BIOS CSM/UEFI Mode was = UEFI BIOS CSM/UEFI Mode now = CSM thus change from UEFI to CSM SECURITY (Right side of screen, Right bottom corner) \ Secure Boot \ Secure Boot = …
bios - CSM setting won't stay? - Super User
I am on an ASUS laptop currently and I was getting it to boot from the legacy Windows 10. I reset the BIOS and set launch csm to enabled. I saved settings and found out it was set back to disabled....
Where is the CSM (Compatibility Support Module) option in ASUS UEFI ...
May 18, 2025 · Here's how to enable CSM in this version of ASUS UEFI BIOS Utility even when it doesn't show up as an option under Boot: Activate [?]Search(F9) in the top right of the screen Type …
[Motherboard] How to enable or disable Secure Boot - ROG
Nov 7, 2023 · [Motherboard] How to enable or disable Secure Boot ? Content Set Secure Boot state Check Secure Boot state (For example: ROG MAXIMUS Z790 HERO) Set Secure Boot state 1. …
Detect CSM mode in Windows through PowerShell - Super User
Mar 28, 2025 · Is there a way, ideally using PowerShell (but this can encapsulate things like WMI checks), to tell whether the Windows OS was booted specifically from UEFI-based firmware running …
I have no UEFI/Legacy BIOS boot option. What does that mean?
May 25, 2022 · it depend options offered by Bios firmware, Some Large integrators Like Lenovo unfortunately followed intel and Microsoft recommandations for security raisons and have deleted …
motherboard - PC won't boot when having the GPU connected after ...
Oct 5, 2021 · The GPU is likely a red herring and the reason you don't get a display is because your firmware expects to hand over to an OS pretty damn quick. Enabling secure boot means disabling …