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  1. #1
    ROG Member Array isaacc PC Specs
    isaacc PC Specs
    MotherboardMaximus IX Hero
    ProcessorIntel 7700K
    Memory (part number)Corsair LPX Vengeance 2x 16GB 3200
    Graphics Card #1Asus Strix 1070 OC
    Storage #12x Samsung 960 Evo M.2 NVMe 250GB
    Storage #23TB Seagate Barracuda
    CPU CoolerMaster Cooler MasterLiquid Pro 280
    CaseThermaltake F31 Suppressor
    Power SupplyEVGA 750 GQ
    Keyboard Logitech washable
    Mouse Microsoft Sculpt bluetooth
    Headset Logitech G933 7.1 wireless
    Headset/Speakers Onkyo HT-S3800 5.1 system
    OS Windows 10 Pro x64
    Accessory #1 Samsung 850 Evo 500GB SSD
    Accessory #2 Gigabyte GC-WB867D-I wifi/bluetooth
    Accessory #3 NZXT internal USB hub

    Join Date
    Feb 2017
    Reputation
    10
    Posts
    18

    Absolutely can't get into Maximus IX Hero UEFI

    I boxed myself into a corner but good. Any and all suggestions are most welcome.

    All of a sudden, no matter what I do, I can't get my system to enter the UEFI. I go straight to my Windows 10 login. I've tried all the 4 ways that one can get Windows itself to throw you into UEFI, and I get Windows login instead. Mashing any of the appropriate keys does no good. Even the Windows-specific keys that gets you into the recovery screens don't work. To be sure, boot-up is very fast. I don't know how or when but I must have enabled ultrafast boot, or something. Even bootable USB drives aren't being recognized and boot from.

    My last hopes are (a) flash the BIOS to 901. I have 806 on my motherboard. My system is working perfectly, except for this, so I never saw the need to flash the BIOS to 901. And, (b) I recall that Asus' Z170 boards had a Windows utility that threw you into the UEFI. Isn't there one for the Z270 chipset, because I'm not finding it.

    The nub of it is that I configured my system drive using 2x M.2 NVMe drives in a RAID 0 array under Intel Rapid Storage Technology. As soon as I flash the BIOS I'll lose whatever metadata is in the CMOS and I'll lose the RAID 0 array and my whole bloody installation. My personal data is well backed-up. I'm trying to avoid having to spend many hours re-installing Windows and all the rest of my C drive.


    Has anyone any experience or knowledge of this issue of not being able to get into UEFI? I'm trying to get some clues as to what might be causing this. Also, if you have any suggestions for alternate courses of action, please post. Appreciated!

  2. #2
    untouched Array Praz's Avatar
    Join Date
    Apr 2011
    Reputation
    137
    Posts
    4,038

    Hello

    Remove the fan from the CPU fan header. During POST press F1 as shown on the screen.

  3. #3
    ROG Member Array isaacc PC Specs
    isaacc PC Specs
    MotherboardMaximus IX Hero
    ProcessorIntel 7700K
    Memory (part number)Corsair LPX Vengeance 2x 16GB 3200
    Graphics Card #1Asus Strix 1070 OC
    Storage #12x Samsung 960 Evo M.2 NVMe 250GB
    Storage #23TB Seagate Barracuda
    CPU CoolerMaster Cooler MasterLiquid Pro 280
    CaseThermaltake F31 Suppressor
    Power SupplyEVGA 750 GQ
    Keyboard Logitech washable
    Mouse Microsoft Sculpt bluetooth
    Headset Logitech G933 7.1 wireless
    Headset/Speakers Onkyo HT-S3800 5.1 system
    OS Windows 10 Pro x64
    Accessory #1 Samsung 850 Evo 500GB SSD
    Accessory #2 Gigabyte GC-WB867D-I wifi/bluetooth
    Accessory #3 NZXT internal USB hub

    Join Date
    Feb 2017
    Reputation
    10
    Posts
    18

    Quote Originally Posted by Praz View Post
    Hello

    Remove the fan from the CPU fan header. During POST press F1 as shown on the screen.
    Brilliant, thanks. I forgot about those types of forced errors.

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