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  1. #1
    ROG Member Array OneMoreUsername PC Specs
    OneMoreUsername PC Specs
    MotherboardASUS ROG Maximus IX Formula
    ProcessorIntel i7-7700K
    Memory (part number)F4-3200C14D-32GTZ
    Graphics Card #1GTX 1080 Founders
    MonitorAlienware AW3418DW
    Storage #1Samsung NVMe SSD 960 Pro m.2
    CPU CoolerEKWB Supremacy EVO
    CaseThermaltake Core P5
    Power SupplySeasonic Flagship Prime Titanium 850
    OS Failing at Windows 10

    Join Date
    Jul 2018
    Reputation
    10
    Posts
    5

    Maximus Formula IX- Can't boot to Windows on m.2 unless through UEFI bios first :(

    First time post (see introduction in the introduction section momentarily):

    Basically, I am attempting to install Windows onto a Samsung 960 Pro m.2 drive (the only hard drive attached). I've scoured every source I could find (including these forums), Tom's Hardware, etc. with no luck. No matter what I do, while I can get Windows to install, I cannot get the system to boot into Windows when turning the system on. Instead it always boots into the UEFI bios and the only way I can start Windows is to select the "boot override" option for the m.2 drive.

    I'm tearing my hair out over here. Any suggestions are appreciated.

    In order to start from scratch, during a previous install of windows, I updated the SSD firmware and the MB bios, so I'm working with updated firmware.

    *note: this is a long read, I wanted to present each and every step I took in case there was something small I screwed up".*

    1. Turned on power supply
    2. Cleared CMOS
    3. Plugged in USB stick to USB 3.0 port on the back of the MB.
    4. Turned on computer
    5. Hit F8 repeatedly with no result.
    6. Presented with the option to hit del or press F2 to enter bios.
    7. Presented with screen with "American Megatrends" AMIBIOS (C) American Megatrends, Inc.
    ASUS MAXIMUS IX FORMULA ACPI BIOS REVISION 1301
    CPU; Intel (R) Core (TM) i7-7700K CPU @ 4.20GHz
    Speed: 4200MHz

    Total Memory: 32768MB (DDR4-2133)

    USB Devices total: 1 Drive, 1 Keyboard, 1 Mouse, 0 Hub
    USB Drive #0: SAndisk

    Detected ATA/ATAPI Devices...


    Please enter setup to recover BIOS setting.
    CPU Fan speed error detected.
    Ensure that the CPU fan is properly installed on the CPU_FAN header or adjust/disable the Fan Speed Low Limit option the UEFI BIOS.
    After setting up Intel(R) Optane Memory or the RAID configuration was built, SATA Mode election must be changed to RAID mode to avoid unknown issues.
    Press F1 to Run SETUP."

    8. Pressed F1
    9. In Boot: (I think due to previous install I have listed: Boot option #1: Windows Boot Manager (M1: Samsung SSD 960 Pro 512GB), Boot option #2: UEFI: SanDisk, Partition 1 (58656MB), Boot Option #3 M1: Samsung SSD 960 Pro 512GB, Boot option #4: Sandisk (58656MB)
    10. Selected UEFI Sandisk, Partition 1 (58656MB) for Boot override.
    11. System started again: This time with message: "CPU Fan speed error detected.
    Ensure that hte CPU fan is properly installed on the CPU_FAN header or adjust/disable the Fan Speed Low Limit option the UEFI BIOS.
    Press F1 to Run SETUP.
    12. Pressed F1
    13. Again selected UEFI Sandisk, Partiion 1 (58656MB for Boot override. Was presented with ROG logo and Windows Setup.
    14. Selected next and "install now".
    15. Entered product key and selected "next". Accepted license agreement.
    16. Selected Custom: Install Windows Only
    17. Presented with 4 options for "Where do you want to install Windows: Drive 0 Partition 1: Recovery, Drive 0 Partition 2 System, Drive 0 Partition 3 MSR (Reserved), Drive 0 Partition 4 Primary. The only selection which will allow installation of Windows is Drive 0 Partition 4.
    18. Deleted all partitions so all that was left was Drive 0 Unallocated Space, Size 476.9GB, Free space 476.9GB with options for "refresh", "load driver", and "New" (delete, format, and extend were grayed out).
    19. Clicked red "X" button
    20. Answered Yes to "Are you sure you want to quit?" Returned to initial Windows Setup Screen.
    21. Clicked red "X" button
    22. "To install Windows you must run Windows installation. If you cancel the installation, your computer might restart. Are you sure you want to cancel Windows installation?" Clicked "Yes".
    23. Computer restarted: Back to Step 11 Above. Turned off power to computer (power button), then at power supply.
    24. Turned power supply back on.
    25. Cleared CMOS
    26 Started again, pushing F8.
    27. Back to step 7. Pushed F1
    28. Navigated to "Boot".
    29. Boot options are #1 UEFI: Sandisk, Partition 1 (58656MB), #2 M1: Samsung SSD 960 Pro 512GB, #3 Sandisk (58656MB).
    30. Disabled fastboot
    30. Clicked "exit" and "Save Changes & Reset", confirming the fastboot change.
    31. Computer restarted, back to Step 11. Pushed F1 again.

    **Here I don't understand why the system didn't boot from the UEFI SanDisk Partition 1 (Boot option #1)**

    32. Back to the boot menu: Used boot override for UEFI: Sandisk, partition 1
    32. Presented with ROG logo and windows setup. Entered product Key, accepted license, etc.
    33. For "Where do you want to install Windows", clicked "next" when highlighting the only option: "Drive 0 Unallocated Space"
    34. Windows installed....computer restarted to......step 7.
    35. Pushed F1.
    36. Now fastboot seems to be enabled again.
    37. Boot options now are: #1 Windows Boot Manager (M1: Samsung SSD 960 Pro 512GB), #2 UEFI: Sandisk, partition 1, #3, M1: Samsung SSD 960 Pro 512GB, #4, Sandisk.
    38. Used boot override for #1 Windows boot manager and was presented with the ROG logo with the "Getting ready" message.
    39. Computer rebooted by itself, back to Step 7, pushed F1
    40. Removed Sandisk UEFI drive from the system, selected boot override for #1 Windows Boot manager. Now proceeding with Windows setup (region, keyboard, wifi, declining Cortana, etc. Presented with the Windows desktop after "This might take several minutes, don't turn off your PC"....Let Windows update itself.

    41. Restarted windows: (Start, restart)
    42. And...back to step 7. Pushed F1
    43. Boot option #1: Windows Boot Manager (M1: Samsung SSD.....), Boot option #2 M1: Samsung SSD 960....
    44. Boot override option #1 and back into Windows.

    What the heck am I doing wrong? I keep booting back into the UEFI BIOS.

    45. Restarted, with windows USB drive back in.
    46. back to UEFI bios, boot override to windows install media
    47. This time selected "repair your computer", troubleshoot, command prompt, diskpart, clean, exit, turn off PC
    48. Turned off.
    49. Restarted....nothing.....
    50. Pushed restart.
    51. Back to UEFI bios, re-installed windows. Same situation.

    Please please, please, any suggestions are welcome!

  2. #2
    ROG Member Array OneMoreUsername PC Specs
    OneMoreUsername PC Specs
    MotherboardASUS ROG Maximus IX Formula
    ProcessorIntel i7-7700K
    Memory (part number)F4-3200C14D-32GTZ
    Graphics Card #1GTX 1080 Founders
    MonitorAlienware AW3418DW
    Storage #1Samsung NVMe SSD 960 Pro m.2
    CPU CoolerEKWB Supremacy EVO
    CaseThermaltake Core P5
    Power SupplySeasonic Flagship Prime Titanium 850
    OS Failing at Windows 10

    Join Date
    Jul 2018
    Reputation
    10
    Posts
    5

    SOLVED (I feel ridiculous....)

    Well, problem solved. I can't believe I spent so many hours working on this.

    For some random reason I remembered reading a forum post (maybe even here on the ROG forums, I have no idea) where someone mentioned going into the UEFI BIOS and disabling CPU fan monitoring and then proceeding in the troubleshooting. So I did this and SURPRISE, everything works. Turns out that not being able to detect the fan ("CPU Fan speed error detected. Ensure that the CPU fan is properly installed on the CPU_FAN header or adjust/disable the Fan Speed Low Limit option the UEFI BIOS.") was preventing the system from booting straight into Windows, prompting me to enter the UEFI BIOS with F1. Once I disabled the fan monitoring (there is no CPU fan as it's a water cooled build), everything works great. In fact, I went back to do a fresh install of Windows after all my tinkering and after fixing the fan problem, the Windows 10 Installation USB drive was bootable as well.

    I feel like a complete [fill in the blank], but hopefully someone in the future will learn from my silly mistake.

    If you read the entire original post- thank you and I'm sorry I wasted time for both of us!

    In the end- I am SO happy to have this resolved! First build in >10 years and first water cooled build ever!

  3. #3
    ROG Junior Member Array
    Join Date
    May 2017
    Reputation
    10
    Posts
    1

    Also resolved the non-boot with a Z270E

    Quote Originally Posted by OneMoreUsername View Post
    Well, problem solved. I can't believe I spent so many hours working on this.

    For some random reason I remembered reading a forum post (maybe even here on the ROG forums, I have no idea) where someone mentioned going into the UEFI BIOS and disabling CPU fan monitoring and then proceeding in the troubleshooting. So I did this and SURPRISE, everything works."

    […]

    In the end- I am SO happy to have this resolved! First build in >10 years and first water cooled build ever!
    Hi,

    Wanted to say thanks. Working with Z270E. I also had the non-boot issue going to the UEFI to boot to windows.

    -

    So, in UEFI, get into the QFan Tuning and optimize the fans.
    In my case, the CPU Fan Min. (and middle) Duty Cycle (%) went from 60% to 100% switching the fan profile from standard to manual.

    I am now booting directly to Win10.

    -

    What caused the issue? I did not change anything in the config. However, I remember pushing the start (power on) button and it got stuck for a few second. Perhaps that was it? Anyway.

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