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  1. #1
    ROG Guru: Yellow Belt Array Denna PC Specs
    Denna PC Specs
    MotherboardAsus Maximus VI Gene
    ProcessorIntel i7-4790K
    Memory (part number)Corsair CMD8GX3M2A2133C9
    Graphics Card #1MSI GTX970 Gaming 4G
    MonitorAsus VG248QE
    Storage #1Samsung 840 Pro
    CPU CoolerCooler Master Nepton 140XL
    CaseCorsair Obsidian 350D
    Power SupplyCorsair AX760
    OS Windows 8.1 64-bit

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    Mar 2014
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    Question Maximus VI Gene and 4790K won't POST

    I have a Maximus VI Gene with BIOS version 1603, a 4790K CPU and a Corsair AX760 power supply.

    The motherboard is sitting on the box it was packaged in.

    The CPU is installed with no pins damaged. This was verified with a magnifying glass.

    The front panel cable is connected.

    The 24-pin power cable is connected.

    The monitor is connected to the motherboard via HDMI.

    The motherboard will power up.

    If a fan cable is connected to a fan header, the fan will spin.

    This system will not POST and displays Q Code 00.

    The motherboard was RMA'd to Asus.

    The CPU was RMA'd to Intel.

    The motherboard will not post and is still displaying Q Code 00.

    Any ideas ?

  2. #2
    ROG Guru: Blue Belt Array jab383 PC Specs
    jab383 PC Specs
    Motherboard24/7 rig : Maximus VI Extreme
    Processori7 4790K
    Memory (part number)16GB Mushkin Redline 2400 10-12-12-28 + 16GB Corsair Vengeance 2400 10-12-12-31
    Graphics Card #1AMD Firepro W5000
    Sound CardM6E Supreme FX
    MonitorDell U2413
    Storage #1Kingston SH103S3240G SSD
    Storage #2Seagate ST1000DM003 1TB
    CPU CoolerCustom water loop, Delidded, Liquid Metal TIM
    CaseCoolerMaster HAF XM
    Power SupplyCorsair HX-750
    Keyboard Logitech G710+
    Mouse Logitech M705
    OS Windows 7 64 Pro
    jab383's Avatar
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    The board also needs the 8-pin 12-volt power cable. The symptom of lacking that connection is Q-Code 00.

  3. #3
    ROG Guru: Yellow Belt Array Denna PC Specs
    Denna PC Specs
    MotherboardAsus Maximus VI Gene
    ProcessorIntel i7-4790K
    Memory (part number)Corsair CMD8GX3M2A2133C9
    Graphics Card #1MSI GTX970 Gaming 4G
    MonitorAsus VG248QE
    Storage #1Samsung 840 Pro
    CPU CoolerCooler Master Nepton 140XL
    CaseCorsair Obsidian 350D
    Power SupplyCorsair AX760
    OS Windows 8.1 64-bit

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    Mar 2014
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    Posts
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    Question Maximus VI Gene and 4790K won't POST - SOLVED

    jab383,

    Thanks for the quick reply.

    That was the problem.

    Connecting the EATX12V cable now allows the motherboard to POST.

    The manual states that Q-Code 00 is not used.

    How did you know about the relationship between the code 00 and the 12V rail ?

    Is it documented somewhere ?

  4. #4
    ROG Guru: Blue Belt Array jab383 PC Specs
    jab383 PC Specs
    Motherboard24/7 rig : Maximus VI Extreme
    Processori7 4790K
    Memory (part number)16GB Mushkin Redline 2400 10-12-12-28 + 16GB Corsair Vengeance 2400 10-12-12-31
    Graphics Card #1AMD Firepro W5000
    Sound CardM6E Supreme FX
    MonitorDell U2413
    Storage #1Kingston SH103S3240G SSD
    Storage #2Seagate ST1000DM003 1TB
    CPU CoolerCustom water loop, Delidded, Liquid Metal TIM
    CaseCoolerMaster HAF XM
    Power SupplyCorsair HX-750
    Keyboard Logitech G710+
    Mouse Logitech M705
    OS Windows 7 64 Pro
    jab383's Avatar
    Join Date
    Feb 2014
    Reputation
    107
    Posts
    855

    You've seen what is documented about code 00. With some experience (it's happened to me a few times), I picked up that code 00 occurs when the BIOS POST can't even get started. That's a sign of a completely dead motherboard or CPU. In this case, I noticed that the EATX12V cable wasn't included in your careful list of connections. That absence causes temporarily dead motherboard voltage regulators and consequently a dead CPU. 2+2.

    Jeff

  5. #5
    ROG Guru: Yellow Belt Array Denna PC Specs
    Denna PC Specs
    MotherboardAsus Maximus VI Gene
    ProcessorIntel i7-4790K
    Memory (part number)Corsair CMD8GX3M2A2133C9
    Graphics Card #1MSI GTX970 Gaming 4G
    MonitorAsus VG248QE
    Storage #1Samsung 840 Pro
    CPU CoolerCooler Master Nepton 140XL
    CaseCorsair Obsidian 350D
    Power SupplyCorsair AX760
    OS Windows 8.1 64-bit

    Join Date
    Mar 2014
    Reputation
    25
    Posts
    125

    Jeff,

    Thank you for the detailed explanation.

    Perhaps Asus support should update the meaning of Q-Code 00 in the manual.

    I wonder if that would explain some of the mysterious "won't POST" and "code 00" problems I've read elsewhere.

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