Question about EliteGroup P4M800PRO-M Motherboard

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Elitegroup P4M800 motherboard problem get power for 1 sec thats it real puzzle!!

I wonder if any of you great gurus can help me .I have a elitegroup P4M800 motherboard latley i found out it was overheating and cutting out due to high temperatures.This was due to collective dust in fans and powersupply.
Anyway cleaned them out perfefect got temperature turned on my system and it cut out..noe everytime i try boot ..its only starts the case fan for 1 second then nothing...ive tryed allot as i have a new cpu spare ,,same thing..also disconnected hards disks joy,.mem joy.cmos jumper thinking the power supply maybe gone as i have a llot in my pc and the power unit is 400w...also when power is connect in the past i always got the standby lights and network i get nothing..just a fan spin for one sec..then cut out...its sooo tempted to try another power supply ..can it be the switch on the tower?..anyone got any good ideas??im kicking myself here :)

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  • gazzauk
    gazzauk Nov 15, 2007

    great help you so your saying push the two power switch pins together to short it to see if it powers up .

  • gazzauk
    gazzauk Nov 15, 2007

    yes just did it hopefully they made contact i pushed them close as i could get ..still nothing mind you whats instresting when i turn off at the mains i here a small cut off sound from the pc ..not sure if its coming from the board or power supply.,but some power must be getting in..i think it might be the power switch as i did give it a bit of a punch when it cut down first the power on button

  • gazzauk
    gazzauk Nov 26, 2007

    thanks for that i found out the power lead was loose in the switch so hopefully now i ordered a new case motherboard and cput i should be ok lol

  • gazzauk
    gazzauk Nov 29, 2007

    ive now got a new asus board and graphics card i can get into the bois ok only part boot on windows then re boots and graphics go all werid on screen i did drop my hard drive maybe this is why ???



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Get yourself a good fan  ..... doesn't have to be an big round zalman for 60+ buck ... but ... get a thermaltake ... and spend $35 on it ... 
you'll be fine 

on the ecs board .... if you remove the lines running to the headers ( ie power, reset, usb, firewire, front fanel usb, etc.... remove all those ....   remember their order IMPORTANT to remember their order ... ) then take a phillips screwdriver and run it between the two rows of pins ... this should short the power on ....     you can eliminate that as a problem that way ... otherwise ... just a visual check should indicate if if looks ok ....

get a good fan is probably your solution

Posted on Nov 26, 2007

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Go to the motherboard manual and detect the "Power Switch" Pins. They are usually under the BIOS Battery. They remove the line connected to the "PWR SW" and push it with a screw. "Make contact between the two pins. If it started then the problem is with your Power Switch.It has to be changed. If not then I Assume that the problem is the Power/ MB. Maybe the Motherboard got a burn because of the overheating. GoodLuck

Posted on Nov 15, 2007

  • Mohammad Abumuailek
    Mohammad Abumuailek Nov 15, 2007

    Yes.. The two power pins on the motherboard.

    I wish you luck

  • Mohammad Abumuailek
    Mohammad Abumuailek Nov 15, 2007

    Ok.. try another PowerSupplyUnit.



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Elitegroup P4M800 motherboard problem get power for 1 sec thats it real puzzle!!

You ask for two problems here, but let's talk one by one.

According to your explanation it seems to be bad wall outlet connector, broken power cable and finally a broken Power supply.

You can check first two, but to you can't check Power supply.

The point the status led is off means that the 5V part of the power supply is broken. 12V part is (probably) OK because you have a fan running for short, but it is not important because all power sources of the power supply should work.

Now, the best for you is first to (try) buy a new strong power supply (you said you have more devices in your PC) and try with another power cable connected to another wall outlet.

First you should see if you get a status led ON. If so, than your PC should work.

Second question:

three beeps suggest bad memory (it depends of the BIOS). If you have more then one module, try with one only and then with oders, but only one at time.


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