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Thread: Deadboard? 990FXA-UD3




  1. #1
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    Default Deadboard? 990FXA-UD3

    Gigabyte 990FXA-UD3
    Phenom II X6 1100T (not overclocked)
    OCZ 700W modular PSU
    OCZ Agility 120gB SSD

    Any ideas?

    This is a fairly new build. I loaded up the SSD with windows 7 and it DID work for a short time.

    Now suddenly, it turns on, but I've got dead screen.
    No boot screen
    No chance to go to BIOS
    No trouble codes during Post.
    No Post beep at ALL! (When it was working it did have the normal 1 beep Post code to signify all is well)
    Fans and cpu coolers plugged into the motherboard work, so I know the motherboard is getting power.

    Weird thing (you can see this in the video). While the system turns on when the tower's on/off button is pushed, it will NOT turn off using that same on/off button. I have to turn off the power supply's on/off switch to shut down.

    The monitor is pitch black, but if I unplug the VGA cable, the monitor then gives a message about no signal. So this means the monitor is working and that it thinks it's getting a signal (I think this rules out a bad video card, plus the lack of a Post beep points in a whole different direction).

    I have and use religiously, one of the anti-static wrist leashes attached to a metal desk. Plus this is in a room with wooden floors rather than carpet, so I know the system should not have gotten any electrostatic shocks.

    Is this a dead mother board?
    What do I do about this?

    **Update**
    I should have mentioned I've tried a 2nd video card with no change and I cleared the CMOS by jumping the pins with the power unplugged per the owner's manual instructions

    <iframe src="http://www.youtube.com/embed/TwIk4fytEcc" allowfullscreen="" frameborder="0" height="315" width="420"></iframe>
    Last edited by skweegi; 04-02-2012 at 08:52 AM.

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Deadboard? 990FXA-UD3

    Do you have an older video card to test with, or one you can grab from another machine? What you mentioned doesn't rule out a bad card, so just saying you should test this if possible.

    Have you tried clearing the CMOS yet? If not, do that now, and if it doesn't work try an extended clear (Unplug PSU, drain power via on/Off switch for one minute, remove CMOS battery, short CMOS pin and leave shorted, let sit for 8+ hours)

  3. #3
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    Default Re: Deadboard? 990FXA-UD3

    Thank you.

    I should have mentioned, I've tried a 2nd video card and I cleared the CMOS by jumping the pins per the owner's manual instructions.

  4. #4
    Chike is offline Senior Member
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    Default Re: Deadboard? 990FXA-UD3

    Try the longer methid as described, you can try just 20-30 minutes and then lomger if that's not enough.
    Check all power connections, and disconnect all peripherals ans USB devices except keyboard and video card, also try with just one memory modiles installed.

  5. #5
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    Default Re: Deadboard? 990FXA-UD3

    I'll remove the power. Cross the CMOS jumper and let it sit overnight.Should I remove the battery as well?Thank You

  6. #6
    Lsdmeasap's Avatar
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  7. #7
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    Default Re: Deadboard? 990FXA-UD3

    I removed the motherboard battery.
    Crossed the CMOS jumpers.

    Let it sit overnight 8+ hours

    This morning I unplugged the only USB device (mouse) and unplugged all internal Sata devices (2 CD/DVD drives and SSD).

    Powered up and took this video.
    No change in behaviors.
    Now what??
    <iframe width="420" height="315" src="http://www.youtube.com/embed/1MWFVIbDTao" frameborder="0" allowfullscreen></iframe>

  8. #8
    Chike is offline Senior Member
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    Default Re: Deadboard? 990FXA-UD3

    Could be time for an RMA.
    Have you checked the power connections?
    Maybe a bench test before you call for RMA.

  9. #9
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    Default Re: Deadboard? 990FXA-UD3

    Sorry to steal the topic but I am having the same issue that you have. Over the last 8-9 months my PC has been working fine and when I woke up yesterday morning I had no post. Running a Gigabyte 990FXA-UD3 with a 955 BE at 4ghz and a 560ti. 2 HDDs and 1 SSD. I've unplugged all HDDs/SSDs. Tried with 1 ram stick. Tried different GPUs and nothing works. Do I also have to RMA?

  10. #10
    Acebmxer's Avatar
    Acebmxer is offline Gigabyte Elite
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    Default Re: Deadboard? 990FXA-UD3

    Quote Originally Posted by Zeky View Post
    Sorry to steal the topic but I am having the same issue that you have. Over the last 8-9 months my PC has been working fine and when I woke up yesterday morning I had no post. Running a Gigabyte 990FXA-UD3 with a 955 BE at 4ghz and a 560ti. 2 HDDs and 1 SSD. I've unplugged all HDDs/SSDs. Tried with 1 ram stick. Tried different GPUs and nothing works. Do I also have to RMA?
    Have you tried the everything that was instructed to the OP to try?
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