Question about Intel D845GVSR Motherboard

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Emachine T2890 won't power up. After reading some posts on this issue I went ahead and replaced the power supply, but the unit still won't power up. I am fairly certain that the old ps was fried since jumpering out the green and black wires on the main plug did not turn on the fan. The fan does work on the new ps when jumpered. The motherboard shows no visible signs of being bad, no bulging capacitors or leaks. No signs of overheating. When the power supply is turned on a green LED lights up on the motherboard but when I try to turn it on I get nothing. I also tried unplugging everything from the mb except the power supply and 1 ram card. Is there any way to verify if the mb is bad or any other suggestions?

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  • mdough_ids Mar 21, 2009

    I found the same thing, but don't have another computer to try it in. I did find some online notes that the PS has a known problem (that eMachines won't recognize) that apparently fries something, but I don't know if it is CPU or what?

    Notice that the switch on front will not ground the #PS_ON signal, but like the other guy, I can ground this pin, and the fan begins to run, and power is fed to the drive units, however the drive units don't respond either, and no beeps whatsoever. Is this CPU?

  • Richard Ray May 11, 2010

    hi ljcast419

    do you have another machine u can test the cpu in as it does sound rather like the cpu cud be a culprit...

    there are a number of factors why ur machine wont switch on..

    1. faulty ram......normally a sign is when you get peeps from the pc speaker
    2. cpu.....cud be dead
    3. motherboard.....cud be dead



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If you remove all the RAM fro the system and power it on, you should hear "Memory Error Beeps" if not, then it is usually Motherboard or CPU, for around $30.00 you can purchase a PCI POST code reader to try to pin the problem down further.
I am assuming from the post that all PCI cards (dial up modem especially) have been removed. Sounds like a bad MB or CPU, but if the video is integrated,( built on the motherboard, and not a seperate card, the memory is responsible for video also, and it maybe defective.

Posted on Mar 30, 2009


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SOURCE: Emachine T2890 won't power up. New power supply.

move its bios jumpur on cofig mod and after some time post it its orignal post .it will ok ok Insha Allah

Posted on Feb 28, 2009

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