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  1. #1
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    Exclamation Maximus X hero cold boot issue

    Hello everyone,

    I have recently built my new PC and I have been noticing a strange problem with it. Everytime I do a cold start (like the first time I power up the PC every day), my PC starts into BIOS instead of windows, and my Samsung 960 EVO is not detected in BIOS. As soon as I reboot my PC from this state, everything works fine.

    I really have no clue about what to do or try! I already updated my BIOS to the latest version with no luck..

    Full PC Specs:
    8700k
    maximus X hero
    16gb trident z rgb
    samsung 960evo 500gb
    corsair rm650x
    asus strix 1080Ti gaming
    kraken x62


    I hope someone will be able to give me new ideas about a possible fix!

  2. #2
    ROG Guru: Yellow Belt Array Deepcuts PC Specs
    Deepcuts PC Specs
    MotherboardAsus Maximus X HERO BIOS 1901
    ProcessorIntel i7 8700K @ 4.7Ghz 1.215V
    Memory (part number)CMR32GX4M4C3466C16 @ 3200Mhz 1.360V
    Graphics Card #1Asus Strix GTX 1080Ti OC 11GB
    Sound CardCreative Omni 5.1 USB
    MonitorDell 24' S2417DG
    Storage #1Samsung EVO 960 nvme 500 GB
    Storage #2Seagate NAS 8TBx2
    CPU CoolerNZXT Kraken X62
    CaseFractal Design Define R5 Black
    Power SupplyCorsair AXi760
    Keyboard Razer DeathStalker Chroma
    Mouse Razer Abyssus
    OS Windows 10
    Network RouterMikrotik

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    Have the same components and did not see this behavior.
    In Advanced\Onboard Devices Configuration have you setup M.2_1 Configuration to PCIE mode?
    Or M.2_1 at X4 bandwidth if you have your SSD in M.2_2.

  3. #3
    Tech Marketing Manager HQ Array Raja@ASUS's Avatar
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    1) if the system is overclocked, set it back to defaults and see if it still occurs.

    2) Update the board to the latest UEFI version.

    3) Makes sure the drive is running the latest Samsung firmware.

  4. #4
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    Quote Originally Posted by Raja@ASUS View Post
    1) if the system is overclocked, set it back to defaults and see if it still occurs.

    2) Update the board to the latest UEFI version.

    3) Makes sure the drive is running the latest Samsung firmware.
    1) Happens with default clocks too :/
    2) using the latest version 1003
    3) using the latest nvme driver and firmware from samsung

    Quote Originally Posted by Deepcuts View Post
    Have the same components and did not see this behavior.
    In Advanced\Onboard Devices Configuration have you setup M.2_1 Configuration to PCIE mode?
    Or M.2_1 at X4 bandwidth if you have your SSD in M.2_2.
    I will check for the M.2_1 mode and see on the next cold boot!

  5. #5
    ROG Guru: Gold Belt Array Menthol PC Specs
    Menthol PC Specs
    MotherboardM 10 Apex / XI gene
    Processor8700K / 9900K
    Memory (part number)2x8 Gskill Trident Z 4266/2x2x8 Gskill Trident Z 4500
    Graphics Card #1RTX 2080ti / GTX 1060
    Sound CardSoundBlaster Ae5 / Onboard
    MonitorBENQ 32" 4K
    Storage #1Intel 900p 480GB/Samsung 960 Pro 1TB
    Storage #2Intel 750 1.2TB/Plextor 1 TB 2X 950 Pro
    CPU CoolerCorsair H150i AIO / H1110i
    CaseCorsair 740 ? Lian Li Air
    Power SupplyCorsair AX 1200i / AX 1200i
    Keyboard Corsair
    Mouse ASUS Strix
    Headset HyperX Cloud Alpha
    Mouse Pad ASUS
    Headset/Speakers Logitech Z906
    OS 10 X64 Pro
    Network RouterVerizon Fios
    Accessory #1 Intel Wifi BT pcie card
    Accessory #2 Red Bull
    Accessory #3 English Breakfast Tea
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    Do you turn off power to the power supply when you turn the system off? Not that this should make your drive disappear but can cause a dual boot
    Personally I let my system sleep and only turn off for maintenance

  6. #6
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    Have a simmilar issue, but it seems that my 960 EVO completely died.

    Last night it booted normaly, I was working for a hour or two on it and then left it running while I went outside. Hour later when I returned, the screens were off so I thought it is power saving. When neither mouse or keyboard activity didn't wake it up, I noticed that HDD light is blinking with high frequency. Powering computer off and restarting it, I was stuck on ROG bios splash screen, again with light blinking and unable to enter bios. Couple more power cycles and I finally entered bios, just to noticed that 960 EVO is not recognized anymore. Tried switching it to second M.2 slot (the one further from CPU) and it behave the same. Finally I gave up, removed 960 EVO and plugged in an old SSD with windows instalation - it booted without problem. After that I updated BIOS to 1003, reinstalled 960 EVO, but the story repeated.

    System is a month old and it was overclocked to 4.7GHz all cores (MTE didn't work properly for me when I upgraded from stock bios to 801).

    Any suggestions what else can I try before sending drive back?

    CPU: 8700k
    MP: Hero X
    RAM: Vengeance 3200 CL15 16GB
    GPU: Strix 970
    Cooler: Noctua ND15S
    PSU: CM SilentPro Gold 700W

  7. #7
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    Quote Originally Posted by Menthol View Post
    Do you turn off power to the power supply when you turn the system off? Not that this should make your drive disappear but can cause a dual boot
    Personally I let my system sleep and only turn off for maintenance
    I only power off the PC normally from windows and never touch my power supply if not doing maintenance to my system.

    I have set my M.2_1 to PCIe from AUTO now. Yesterday and todays boot went fine but I will see all week long how it goes

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