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Power loss Hi my computer is shuting off when windows loads and if i start right back up then it might shutoff before it gets to windows or it loads windows and shuts off again . Tech people from alienware told me it was a power supply issue so i put a new power supply in and i still have the same problem. i have a Foxconn nforce 590 sli motherboard D-Athlon 64 x2 5600+ am2 nvidia geforce 8800gts 320 mb now on the motherboard when it is just pluged in and not on there are 2 amber lights when i turn it on 2 green lights come on right next to them then under that and to the left there is 2 led letters FF lit up. please help !!

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  • tamejnta Jan 08, 2009

    powre supply starts up for about 2 -5 seconds then shuts down
    nothing appears on the screen.
    When power supply is connected to a meter it shows all voltages present.


  • asbillseesit Jan 08, 2009

    now i cant even do that when i start it now nothing shows on screen and there is a loud ring like a smoke detector

  • asbillseesit Jan 08, 2009

    no beep codes just a steady sound

  • asbillseesit Jan 08, 2009

    ok now i am getting a low tone beep every 5 seconds

  • asbillseesit Jan 08, 2009

    oh and now my motherboard says C1 on the little display under the video card

  • asbillseesit Jan 08, 2009

    ok motherboard says FF again and back to the first problem loaded windows and shut down then ran for about 5 seconds and shut down

  • asbillseesit Jan 08, 2009

    oh an before anything else thank you all for your help

  • FirstBlade
    FirstBlade May 11, 2010

    tamejnta, Do you get any beep codes?

  • FirstBlade
    FirstBlade May 11, 2010

    Start in safe mode. Look at event viewer. What errors do you see?

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Check your expansion cards and memory to make sure they is seated properly. Remove any expansion cards you do not need. Did you replace the memory recently?

Posted on Jan 08, 2009

  • FirstBlade
    FirstBlade Jan 08, 2009

    Remove video card and reseat. If you still get C1 then replace video card.

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Have you folks removed/installed memory with the computer plugged in ... but not powered on ???
newer systems maintain standby power on the memory .. if you have .. you could have blown a DIMM ..
I'd remove all installed memory .. then power up and see if the systems behaviour changes .. if it does .. and your system supports it .. add a stick of memory at a time untill you recreate the problem ..

Posted on Jan 08, 2009

  • David Brenchley Jan 08, 2009

    The codes your seeing C1, FF, ect indicate various stages of the POST (Power on Self Test) .. if your able to load windows this indicator is probably of no concern. I'd still suspect memory

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