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  1. #11
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    Quote Originally Posted by Silent Scone@ROG View Post
    Renaming is only a function needed for USB Flashback, use this feature as suggested above if wanting to roll back.
    i have also tried this both ways, renaming or not, and still not able to proceed on the Z490-E

  2. #12
    Administrator Array Silent Scone@ROG's Avatar
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    Quote Originally Posted by hawkhandler View Post
    i have also tried this both ways, renaming or not, and still not able to proceed on the Z490-E
    USB Flashback will work if following the process correctly.

    Make sure the pen drive is

    1) Freshly formatted to FAT32

    2) In the correct USB slot

    3)The file is renamed to M12E.CAP

  3. #13
    New ROGer Array Braegnok PC Specs
    Braegnok PC Specs
    MotherboardAsus ROG Maximus XII Extreme
    ProcessorIntel Core i9-10900K
    Memory (part number)F4-3600C14D-32GTRS
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    Quote Originally Posted by theotorm View Post
    Hi everyone, currently on my maximus xii extreme I had the bios v.* 1003. I wanted to go back to the previous version 0901. I correctly formatted the usb key and renamed the file to .cap.* When I enter EZ-Flash and ask to read the file I get this error: "This File is not a proper bios." I can't go back!* I tried to download other earlier versions too (0804-0707 ... etc ..) ... nothing always has the same message!* Instead I tried to put the latest bios beta 2004 version and install it without problems!* I can't go back!
    I just used the BIOS Flashback tool this morning on Maximus XII Extreme, successfully flashing from BIOS 2004 back to BIOS 1003.

    I'm not sure if all the steps I used matter, or if USB drive size/type matters.

    I used a new 8GB drive formatted to FAT32.

    I rolled back Intel IME driver from Version 14.1.51.1528 release date 2021/01/08 to Version 14.0.45.1389V2.1 release date 2020/10/29.

    The first few times I tried flashing back it did not work, I attempted several more times with same unsuccessful results, than rolled back IME driver, changed USB flash drives.

    Hope this helps, good luck.
    Last edited by Braegnok; 02-24-2021 at 04:51 AM.

  4. #14
    ROG Guru: Green Belt Array geneo PC Specs
    geneo PC Specs
    MotherboardMaximus XII Hero
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    Windows IME driver doesn't matter with flashback. BIOS flashback doesn't use the current BIOS or Windows at all. It is a small independent firmware program that understands FAT32 USB and how to flash the BIOS firmware file, that's it. It must have been something else that was preventing you from flashing.
    Last edited by geneo; 02-10-2021 at 06:29 PM.

  5. #15
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    Quote Originally Posted by Silent Scone@ROG View Post
    USB Flashback will work if following the process correctly.

    Make sure the pen drive is

    1) Freshly formatted to FAT32

    2) In the correct USB slot

    3)The file is renamed to M12E.CAP
    Unfortunately following the exact steps above and on the ASUS site still do not work for me.

  6. #16
    ROG Guru: Green Belt Array geneo PC Specs
    geneo PC Specs
    MotherboardMaximus XII Hero
    ProcessorIntel 10700k @ 5.1Ghz
    Memory (part number)64 GB G.Skill TridentZ RGB 3200/CL14 @ 3600 CL16
    Graphics Card #1Asus ROG Strix 2070 Super A8G
    MonitorEIZO Coloredge CG2730 and Viewsonic QHD displays
    Storage #1Samsung 512 GB 960 Pro
    Storage #21TB 850 x 1 TB 860 EVO RAID0, 6 TB WDC Black and 6TB IronWolf Pro HDD
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    Keyboard CM Quickfire Rapid TKL
    Mouse Logitech G305
    Headset Bose QC15
    Headset/Speakers Vanatoo T1, Klipsch R-12SWi Sub, Bose QC-15
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    Quote Originally Posted by hawkhandler View Post
    Unfortunately following the exact steps above and on the ASUS site still do not work for me.
    What happens? Try a different USB stick? There have been reports of some USB compatibility issues I have seen in the past.

  7. #17
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    Quote Originally Posted by geneo View Post
    What happens? Try a different USB stick? There have been reports of some USB compatibility issues I have seen in the past.
    bios flashback light flashes then stays solid. i wait a long time...nothing happens...i turn on the computer and clearly the BIOS wasn't updated and i didn't interrupt it either.

    i will try another usb stick but i'll have to go get one...damn

  8. #18
    New ROGer Array Braegnok PC Specs
    Braegnok PC Specs
    MotherboardAsus ROG Maximus XII Extreme
    ProcessorIntel Core i9-10900K
    Memory (part number)F4-3600C14D-32GTRS
    Graphics Card #1Nvidia RTX 3090 FE
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    Quote Originally Posted by hawkhandler View Post
    bios flashback light flashes then stays solid. i wait a long time...nothing happens...i turn on the computer and clearly the BIOS wasn't updated and i didn't interrupt it either.

    i will try another usb stick but i'll have to go get one...damn
    Try loading Default Settings in your BIOS before running Flashback Tool.

    I tried several flash drives, and settings and don't remember if I was in Default Settings when it worked.
    Last edited by Braegnok; 02-24-2021 at 12:52 AM.

  9. #19
    New ROGer Array Braegnok PC Specs
    Braegnok PC Specs
    MotherboardAsus ROG Maximus XII Extreme
    ProcessorIntel Core i9-10900K
    Memory (part number)F4-3600C14D-32GTRS
    Graphics Card #1Nvidia RTX 3090 FE
    MonitorAsus ROG Swift PG35VQ
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    CPU CoolerOptimus Signature V2
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    Quote Originally Posted by geneo View Post
    Windows IME driver doesn't matter with flashback. BIOS flashback doesn't use the current BIOS or Windows at all. It is a small independent firmware program that understands FAT32 USB and how to flash the BIOS firmware file, that's it. It must have been something else that was preventing you from flashing.
    Thanks geneo, was thinking perhaps the IME version release dates could be issue. I haven't used the Flashback tool in years,.. seeing this post thought I would give it a go.

    After trying several failed attempts following instructions, I started adding/changing steps, not sure which step was the magic one,.. lol
    Last edited by Braegnok; 02-11-2021 at 01:14 PM.

  10. #20
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    Quote Originally Posted by Braegnok View Post
    Try loading Default Settings in your BIOS before running Flashback Tool, could save you a trip to the store.

    I tried several flash drives, and settings and don't remember if I was in Default Settings when it worked, but it's worth a try before buying a new drive.
    Tried with default settings first. Didn't work. I'll get a new stick tomorrow.

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