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Computer experts - need help fixing this problem

Discussion in 'BlackHat Lounge' started by dgfalk, Oct 18, 2011.

  1. dgfalk

    dgfalk Power Member

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    Im workin on a PC right now and have narrowed the problem down to the motherboard. Right now when I turn the power on the CPU fan kicks on and my monitor will go from the amber/standby light to blue indicating its tryin to get a video signal but after a few seconds goes back to standby mode and does nothing more.

    Now heres the strange thing, when I remove the motherboard battery and move the jumper pin to clear the CMOS then put it back and turn it on again it will load the BIOS menu just fine. I can go into the settings and setup the motherboard the way I want it to, BUT once I save and exit and try to boot it up again nothing will happen.

    So basically if I clear the CMOS it will boot up just fine for 1 time. Anytime after that nothing will boot up at all until I clear the CMOS again. Any idea what the hell could cause this? Oh ya its an Asus MSN-SLI mobo.
     
  2. ahiddenman

    ahiddenman Elite Member

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    Are you using the built in Graphics or a Dedi graphics card?
     
  3. purewealthinc

    purewealthinc Regular Member

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    I had the same issue before, Seems u've made some changes in your BIOS settings.. Ty to restore it from default settings
     
  4. ahiddenman

    ahiddenman Elite Member

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    Also try rebooting with 1 stick of RAM in there.
     
  5. dgfalk

    dgfalk Power Member

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    Using a card, theres no onboard video with this mobo

    Tried that as well with no luck.
     
  6. dgfalk

    dgfalk Power Member

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    That what im starting to think, a corrupted BIOS file or something. Im looking right now on the manfactures website on how to flash the BIOS, never done that before.
     
  7. ginasims

    ginasims Jr. VIP Jr. VIP Premium Member

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    Do you have any USB drives or memory sticks plugged in? I've had
    a problem in the past where a machine wouldn't boot unless
    you removed a USB drive. Other wise I would try to upgrade the bios.
     
  8. ahiddenman

    ahiddenman Elite Member

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  9. ShadeDream

    ShadeDream Elite Member

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    Go buy yourself a POST Card and you'll find out what's wrong.

    Example POST Card

    [​IMG]
     
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  10. ginasims

    ginasims Jr. VIP Jr. VIP Premium Member

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    Also you could pull the battery out and reset it again, but
    Only make one change and reboot it and see if it works, if
    it does work change one more setting and reboot again. Do this
    over and over until you find what setting change is screwing
    it up.
     
  11. dgfalk

    dgfalk Power Member

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  12. ahiddenman

    ahiddenman Elite Member

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  13. dgfalk

    dgfalk Power Member

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    I re flashed the BIOS and that didnt fix anything. Still doing the same thing.
     
  14. RobertELeet

    RobertELeet Newbie

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    One of the settings you are using is causing the problem. If you can boot after clearing the cmos then you have something wrong. Change one thing and reboot and keep doing that until you figure out what causes the problem. If I were to guess it would be cpu/bus related.
     
  15. dgfalk

    dgfalk Power Member

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    I just noticed now if I leave the HDD plugged in, clear the CMOS it boots up and Windows works just fine. If I turn it off windows wont load.

    When I clear the CMOS it puts all settings back to factory right? So if it boots up fine the first time what would change in the settings to not let it boot a second time?
     
  16. dgfalk

    dgfalk Power Member

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    Well I finally got it working. I tried 3 different BIOS versions and finally the last one worked so Im good to go! Thanks for the help guys.
     
  17. ShadeDream

    ShadeDream Elite Member

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