Question about EliteGroup P4M800PRO-M Motherboard

2 Answers

I switched out the power supply on an elitegroup p4m800pro-m. I was originally using a 300w and now using a 680w, but now my computer wont even start up. Any input?

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  • guvianii Feb 18, 2009

    I don't wanna try a cmos cuz I can't even get the comp to power on at all. I don't even have a chance to get into bios. My power supply makes a little short high pitch sound when i turn it off. Not sure if that means anything

  • guvianii Feb 19, 2009

    i tried both power supplies and still nothing. Now my next question is, will the front panel connectors have anything to do with it? I'm assuming if they are in the wrong place then the comp won't show that it's getting power?

  • guvianii Feb 19, 2009

    yeah, it's just not doing anything at all. Right now i am trying to find a diagram for the motherboard since i don't have the manuel

  • guvianii Feb 19, 2009

    thanks alot :) downloading now. I'll let you know what happens

  • Peter Steiert
    Peter Steiert May 11, 2010

    Correct, if a jumper is misplaced or the power button switch connector is misplaced the computer will never start. Is that what is happening? Is your computer not starting at all? No noise, nothing budges? If so then there is the possibility you moved a jumper or you placed the power button connection on the wrong prongs.

  • Peter Steiert
    Peter Steiert May 11, 2010

    Does your old 300W still work? If so, as was suggested by Smithbrother, your new 680W might be bad. If it is bad, get it returned and buy a more reliable brand such as the PC Power & Cooling brand available on this website. Just search for PC Power Cooling and you will get a list of all their products.They are the most reliable brand single-rail PSU you can find.

  • Peter Steiert
    Peter Steiert May 11, 2010

    Try a CMOS reset then get back to us.

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Do you have the Elitegroup P4M800Pro-M? If so here is the manual:

http://www.ecs.com.tw/ECSWebSite/Products/ProductsDetail.aspx?DetailID=574&CategoryID=1&DetailName=Feature&MenuID=44&LanID=0

It should contain instructions on how to insert the power button cable(s) properly.

Posted on Feb 19, 2009

  • Peter Steiert
    Peter Steiert Feb 19, 2009

    Alright, I hope you get it fixed. Never fun to exchange broken parts.

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I believe that your power supply may be bad. If it is new , send it back. I have had that high pitched sound before and it usually indicates a capasitor going or gone bad.

Posted on Feb 18, 2009

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1 Answer

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Hi. Thanks for your question.

Video card compatible with your motherboard is an AGP 8x.
Hope this helped. For more info about your motherboard please see this link------>http://www.dealtime.com/Elitegroup-ECS-P4M800PRO-M2-2-0-Via-Socket-775-MicroATX-Motherboard-Audio-VGA-AGP-8x-10-100-Ethernet/prices
Thank you for using FixYa.

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you could open up the power supply and look for any fuses that may have blown, the ones ive seen are the glass type and are cheap to replace and easy to find at radio shack just take the blown fuse with you and replace with the exact amps. and make sure that everything is unplugged from the wall and be very cautious around the large cylinders inside the power supply aka "capacitors" they can hold a residual charge and WILL harm you

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