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Solved New Mobo Cpu error

Discussion in 'Hardware' started by Ph.Steve, Jan 23, 2019.

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  1. Ph.Steve

    Ph.Steve Thread Starter

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    Just put together a PC, msi meg z390 ace motherboard, put in a i7-8700.. When I turn the power on, I'm getting power to the mobo but the debug led flashes 00 with the cpu led and one fan turns on for a second, this is all that happens on a loop every 5 seconds or so. I checked the cpu to make sure all the pins are in place, cooler is not too tight, and all cords are still connected correctly, came figure out why it will not boot. Nothing will show on monitor.
    Anyone know what could be happening?

    Msi meg z390 ace
    Intel i7-7800
    Nvidia 1080ti
    Evga 750 watt gold
     
  2. managed

    managed Trusted Advisor Spam Fighter

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  3. Ph.Steve

    Ph.Steve Thread Starter

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    I'm sorry, I meant i7-8700
     
  4. Ph.Steve

    Ph.Steve Thread Starter

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    Is it possible my ram might not compatible?
     
  5. managed

    managed Trusted Advisor Spam Fighter

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    It's possible, read the full Ram model name from the box or the ram itself and include it in your reply please and we can try to find out.
     
  6. tecknurd

    tecknurd

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    Remove all parts from the computer case. Place it on something like the motherboard box. Reset the CMOS. Leave just the RAM and CPU connected and test. Use one memory module and test. Try all memory slots with one memory module. The video card should not be connected to the motherboard when testing the motherboard.
     
  7. crjdriver

    crjdriver Moderator

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    Have you read the guide at the top of the forum for problem builds? If not, do so. If you follow ALL of the steps, you will find the cause of your no POST issue.

    Some common errors for new builders;
    1 The 4/8/12pin aux pw connector not plugged in
    2 Motherboard shorting to case due to incorrect placement of standoffs
    3 Ram not fully seated. Either atx or aux pw connectors not fully seated
    4 Bent motherboard socket pin due to incorrect install of cpu. More an intel issue than an amd issue since the amd type cpu/socket are just about idiot proof

    I just checked the specs on your board. While I am NOT a fan of msi, at least that one seems to be a decent board. The specs show two separate 8pin aux connectors. Are you sure you have both installed?
     
    Last edited: Jan 24, 2019
  8. Ph.Steve

    Ph.Steve Thread Starter

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    Yes I have them both connected,
    I'll check out the forum you mentioned
    Thank you
     
  9. Ph.Steve

    Ph.Steve Thread Starter

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    Figured out what was wrong. All my components are fine. I bought a paracord sata cable, didn't realize the pins were different from the sata cable that came with the power supply, it was causing a short through the whole system. Using the sata that came with the power supply now, it all seems to be running okay
    Thanks for the help
     

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  10. managed

    managed Trusted Advisor Spam Fighter

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    You did well to find that problem. Glad you fixed it.
     
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