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  1. 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 …

  2. Where is the CSM (Compatibility Support Module) option in ASUS …

    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 …

  3. 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 …

  4. 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 …

  5. Rufus's default preferences confuse me. Please explain some of them

    Aug 22, 2023 · Rufus's default settings UEFI only Partition scheme: GPT Target system: UEFI (non CSM) File system: FAT32 Legacy BIOS only Partition scheme: MBR Target system: …

  6. 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 …

  7. 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 …

  8. Why doesn't my NVMe drive show up during Windows 11 install?

    Jan 12, 2025 · With my Asus Pro B760M-CT-CSM motherboard, the extracted files contained a folder named "Drivers" then a sub-folder named "64bit." This is the folder I navigated to when I …

  9. 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?

  10. Cannot use keyboard or mouse after disabling CSM and enabling …

    Jan 6, 2021 · 1 I cannot use my keyboard or mouse ever since I enabled secure boot and disabled csm on my desktop. I can’t even use these when I get into the BIOS (by pressing Del …