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  1. #1
    New ROGer Array
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    New XI Build Will Not POST

    Hello, hoping to get some advice on getting a new build with a Maximus XI to POST. Currently the system powers on and immediately shuts off within 1 second, no Q-code, no beeps, nothing. The lights on the board do power on. I have only attempted to build the minimal components on the board box, components are listed below. Also listed below are things I have already tried. It almost seems like a short, however it's just on the motherboard box with nothing underneath. I've built 10+ computers from scratch over the last 15 years I feel pretty confident I followed best practices handling the components in regards to static and force. The only thing I can think is worth mentioning is that I bought all the components in the states and I'm assembling them in Europe, however I did double check the PSU supports 110-240 and I don't see a switch on it so I'm pretty sure it swaps automatically, I'm also using a Euro plug.

    Components:
    * Maximus Hero XI
    * Intel 7500 with Noctua low profile cooler
    * Corsair platinum 3600
    * Samsung 970 M.2 SSD
    * EVGA G3 750 PSU

    Things I have tried:
    * Triple checked the power cables are seated fully
    * Tried different CPU power cables
    * Reseated the CPU
    * Double checked the correct RAM slot (1 from the CPU with only 1 module)
    * Tried without Ram
    * Double checked the CPU fan is connected to the right plug (far right on the top row of 3 plugs)
    * Tried to start with a screwdriver touching the power pins

    Everything above results in the same behavior, when I power on the PSU the board lights up, when I hit start the system powers on (CPU fan spinning, flash on the Q-code LED) for half a second and immediately shuts down, back to the board lights on state.

    The only thing that makes a difference is only connecting the 24 pin power cable and leaving the 8 and 4 CPU cables at the top disconnected. The system will not restart, however it won't POST and there are no Q-codes.

    Any advice on other things to try/ double check?

    Thanks in advance for the help.
    Last edited by necrpes; 11-26-2018 at 09:37 AM.

  2. #2
    ROG Guru: Grand Master Array HiVizMan's Avatar
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    Your CPU is a 7500?

    7th Gen CPU - See the QVL for compatible processors.


    https://www.asus.com/us/Motherboards.../HelpDesk_CPU/
    To help us help you - please provide as much information about your system and the problem as possible.

  3. #3
    New ROGer Array
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    Quote Originally Posted by HiVizMan View Post
    Your CPU is a 7500?

    7th Gen CPU - See the QVL for compatible processors.


    https://www.asus.com/us/Motherboards.../HelpDesk_CPU/
    D'oh! I'm just trying to use this 7500 until my 9900k arrives. I guess I expected a q-code instead of the board just shutting down...

    Thanks for the response.

  4. #4
    ROG Guru: Brown Belt Array MrAgapiGC PC Specs
    MrAgapiGC PC Specs
    MotherboardAsus Maximus XI Code
    Processor9900K
    Memory (part number)CMK32GX4M4B3600C18
    Graphics Card #1STRIX-GTX1080ti-O8G-GAMING
    MonitorAOC AGON AG2701QX (2)
    Storage #1Samsung 960 EVO 256GB
    Storage #2Kingston Savage 500GB
    CPU CoolerNzxt X74 360mm AIO
    CaseNzxt H700
    Power SupplyEVGA 850 G2
    Keyboard Logitech G810
    Mouse Asus Spartha
    Headset Hyper X Cloud Revolver S
    Mouse Pad Hyper X Fury S 900mx420mm
    Headset/Speakers Logitech Z337
    OS Windows 10 64btis
    Network RouterTpLink Archer C9
    Accessory #1 EKWB FANs all of them
    MrAgapiGC's Avatar
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    Quote Originally Posted by necrpes View Post
    Hello, hoping to get some advice on getting a new build with a Maximus XI to POST. Currently the system powers on and immediately shuts off within 1 second, no Q-code, no beeps, nothing. The lights on the board do power on. I have only attempted to build the minimal components on the board box, components are listed below. Also listed below are things I have already tried. It almost seems like a short, however it's just on the motherboard box with nothing underneath. I've built 10+ computers from scratch over the last 15 years I feel pretty confident I followed best practices handling the components in regards to static and force. The only thing I can think is worth mentioning is that I bought all the components in the states and I'm assembling them in Europe, however I did double check the PSU supports 110-240 and I don't see a switch on it so I'm pretty sure it swaps automatically, I'm also using a Euro plug.

    Components:
    * Maximus Hero XI
    * Intel 7500 with Noctua low profile cooler
    * Corsair platinum 3600
    * Samsung 970 M.2 SSD
    * EVGA G3 750 PSU

    Things I have tried:
    * Triple checked the power cables are seated fully
    * Tried different CPU power cables
    * Reseated the CPU
    * Double checked the correct RAM slot (1 from the CPU with only 1 module)
    * Tried without Ram
    * Double checked the CPU fan is connected to the right plug (far right on the top row of 3 plugs)
    * Tried to start with a screwdriver touching the power pins

    Everything above results in the same behavior, when I power on the PSU the board lights up, when I hit start the system powers on (CPU fan spinning, flash on the Q-code LED) for half a second and immediately shuts down, back to the board lights on state.

    The only thing that makes a difference is only connecting the 24 pin power cable and leaving the 8 and 4 CPU cables at the top disconnected. The system will not restart, however it won't POST and there are no Q-codes.

    Any advice on other things to try/ double check?

    Thanks in advance for the help.
    ONLY USE 8th and 9th gen intel gpu The one you install is a 7th (z270 or equivalent or below)

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