Can't enable Modern Standby

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  1. Posts : 61,585
    64-bit Windows 11 Pro for Workstations
    Thread Starter

    I'm thinking the same that it's going to be a BIOS update needed.
      My Computers

  2. Posts : 26,352
    Win11 Pro, Win10 Pro N, Win10 Home, Windows 8.1 Pro, Ubuntu

    Brink said:
    I'm thinking the same that it's going to be a BIOS update needed.
    And that's even if gaming and workstation boards even get it.
      My Computers

  3. Posts : 61,585
    64-bit Windows 11 Pro for Workstations
    Thread Starter

    Update from ASUS:

    Hello Shawn Brink,

    Thank you for your response to ASUS product support, my name is Adam P and I do hope you are having a great day.

    I appreciate your patience and understand that this may be a hassle. I assure you that it is important to us that your issue gets resolved and we will continue to work diligently to do so. Upon checking, we only have recommendation that the system firmware does not support S0 or modern mode.

    Should you need additional assistance, kindly let me know and I'll do my best to help you further. Thank you for choosing ASUS.

    Adam P.

    ASUS Product Support
      My Computers

  4. Posts : 62
    Windows 10 Pro x64

    Nice "recommendation". I really dislike these non-answers and bad PR speak.
      My Computer

  5. Posts : 1
    Windows 10 Pro

    Hello Brink,

    I'have bought a new PC recently and also tried to get the Modern Standby Mode active.
    There's an Aorus Master motherboard in my build. The only relevant change in BIOS was the 'Package C State limit' setting from 'Auto' to 'C10'. The outcome:

    Can't enable Modern Standby-bez-tytu-u.png

    Best regards.
      My Computer

  6. Posts : 61,585
    64-bit Windows 11 Pro for Workstations
    Thread Starter

    Thank you @Test01, and welcome to Ten Forums.

    I had to jump through a few BIOS settings to get there, but unfortunately it didn't make any difference so far with my motherboard.

    Can't enable Modern Standby-1.jpg Can't enable Modern Standby-2.jpg

    Can't enable Modern Standby-powercfg-.png
      My Computers

  7. Posts : 2
    Windows 10

    I got modern standby working on my Asus Maximus XI Hero, the process is a bit finicky, so i will try to keep this as short as possible:
    1. Download the most recent BIOS for your mainboard from the Asus site.
    2. Download AMISetup_IFR_v0_1.rar from and extract it.
    3. Now drag and drop the BIOS *.cap file on AMISetup_IFR.bat.
    4. Open _Setup\setup_extr.txt and search for "Low Power S0".
    5. Note the offset at VarStoreInfo (0x17 on my board):
    Can't enable Modern Standby-store.png
    6. Download modGRUBShell.efi from and rename it to bootx64.efi
    7. Grab a USB stick with NTFS/FAT32 and create the folder structure efi/boot; copy bootx64.efi into boot:
    Can't enable Modern Standby-boot.png
    8. Reboot your PC into BIOS/UEFI and boot from the USB stick (you might need to disable secure boot).
    9. Enter setup_var 0x17 0x1 into the grub shell (0x17 should be replaced with the correct mainboard offset):
    Can't enable Modern Standby-grub.jpg
    10. After a reboot Windows should be able to use modern standby.
      My Computer

  8. Posts : 2
    Windows 10

    Here is a much easier way which basically does the same as mentioned in my previous post:
    1. Download and extract scewin.rar
    2. Open a administrative command shell and enter:
    scewin /i /ms "Low Power S0 Idle Capability" /qv 0x01 /lang en-US
    3. Reboot and done.

    This also works with every other BIOS entry that is usually inaccessible on the regular UEFI setup.
    To get a full list of all commands:
    scewin /o /s nvram.txt /lang en-US
      My Computer

  9. Posts : 1,480
    Windows 8.1 Enterprise x64

    I know that the last post on this topic is from a few months ago, but I also have a question about Modern Standby. Does anyone know if the Gigabyte X570 Aorus Elite board supports this function? I don't have the "Package C State limit" function in UEFI, I have something like "CPU C-States", but after enabling this option, the "CPU C3, C6" options etc. doesn't show
    Last edited by MrPepka; 30 Aug 2020 at 07:30.
      My Computer

  10. Posts : 1,480
    Windows 8.1 Enterprise x64

    I turned on the "Global C-States" option anyway, and so I don't have Modern Standby. Can anyone who also has a Gigabyte X570 Aorus Elite motherboard confirm that they also have Modern Standby?
      My Computer


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