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[Help] z97 Classified wont Post. Checked PSU. Only Green PWR LED flashing Onboard.

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Invictum594
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2015/04/19 14:47:19 (permalink)
z97 Classified
i7 4790k 
850w PSU
 
Brand new board, cpu, and PSU. 
 
Of note, last week I had a totally different mobo/cpu/psu, I stood up to get something and accidentally tripped over my front panel USB cord plugged in.  MY PC shut down, and never powered back up.  I wasn't getting anything to post on the old mobo, so I assumed that I fried that motherboard.  
 
Took this as an opportunity to upgrade my 6 year old PC, bought this mobo specifically because of it's ability to use intel's RST which I had on my previous rig, and because of it's onboard LED's diagnostic capabilities and onboard power switch in case I somehow broke my case switch. 
 
So I got the new Mobo/CPU Plugged it into my old power supply (I had tested it with a cheap PSU tester that was lighting up green),  Saw the green power button LED light up on board.  Pressed the button....nothing.  Hit the case switch....Nothing.  All it does is continue to flash green, no other lights.
 
I started to think it might be the PSU after all, so I bought a brand new 850w one, with a fancy LCD tester to test the voltage.  The weird thing is that the old PSU tested within normal limits for voltage, but the fan on it doesn't spin.  I figured that was causing the problem somehow, and the new PSU voltage was fine AND the fan was spinning.  So I plugged it back into the new mobo/cpu.  Checked all my connectors.  Saw the green button flashing...hit it...NOTHING.
 
I've checked the 24-pin connector and it's fully seated.  I have one 8-pin CPU plugged into the board, left the other one with the optional sticker still on it.  
 
I don't know what to do now and i'm reaching my wits end on this one...any ideas would be greatly appreciated.   
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    the_Scarlet_one
    formerly Scarlet-tech
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    Re: [Help] z97 Classified wont Post. Checked PSU. Only Green PWR LED flashing Onboard. 2015/04/19 14:58:32 (permalink)
    You said 850 psu, brand new. Was it seasonic?
    #2
    Invictum594
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    Re: [Help] z97 Classified wont Post. Checked PSU. Only Green PWR LED flashing Onboard. 2015/04/19 15:31:45 (permalink)
    thermaltake, old one was corsair, also 850w
    #3
    the_Scarlet_one
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    Re: [Help] z97 Classified wont Post. Checked PSU. Only Green PWR LED flashing Onboard. 2015/04/19 15:37:44 (permalink)
    Can you post a picture of the current motherboard setup with all connections?
    #4
    Invictum594
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    Re: [Help] z97 Classified wont Post. Checked PSU. Only Green PWR LED flashing Onboard. 2015/04/19 17:01:54 (permalink)
    I uploaded a video to youtube showing the problem. 
     
    Link: 
     
     
    #5
    Invictum594
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    Re: [Help] z97 Classified wont Post. Checked PSU. Only Green PWR LED flashing Onboard. 2015/04/19 17:03:08 (permalink)
    Crap it's not letting me post the link, is that because i'm a new member?
    #6
    Invictum594
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    Re: [Help] z97 Classified wont Post. Checked PSU. Only Green PWR LED flashing Onboard. 2015/04/19 17:04:25 (permalink)
    <iframe width="560" height="315" src="https://www.youtube.com/embed/nZzKCdrxgWI" frameborder="0" allowfullscreen></iframe>
    #7
    Invictum594
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    Re: [Help] z97 Classified wont Post. Checked PSU. Only Green PWR LED flashing Onboard. 2015/04/19 20:21:10 (permalink)
    SOLVED: 
    I damaged the USB front panel port and didn't think to disconnect it from the mobo.  
     
    Disconnected the USB header and everything powered up fine. 
    #8
    the_Scarlet_one
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    Re: [Help] z97 Classified wont Post. Checked PSU. Only Green PWR LED flashing Onboard. 2015/04/19 20:38:24 (permalink)
    Well, there you go! It's the simple things that completely stop a computer. Did you keep all of your old stuff? You may be able to reuse someone of the old parts or sell them and get a little bit back.
    #9
    XrayMan
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    Re: [Help] z97 Classified wont Post. Checked PSU. Only Green PWR LED flashing Onboard. 2015/05/13 22:27:48 (permalink)
     
    Glad you got it working again.             

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