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Question about E-Machines EMA IMPERIAL GV (845GV) TG3 eMachines (145119) Motherboard

3 Answers

No Power up on depressing On/Off button.

The PC has suddenly powered down for no apparent reason in the past with increasing frequency. Today, would not start at all; no sign of life, fans or lights ! Disconnected On/Off switch and found it open circuit. Thought " Gotcha!". Short circuited the two power sw. pins on MB, Nothing. Disconnected power supply and tried "Paper Clip Test" on 20 pin PSU connector (between green wire and black ).Fan started running. Checked voltages on plugs going to drives, approx 11.8 and 6.6vdc. What do I check next ?! Hopefuully not the price of a new GV20030812 MB!!

Posted by Allan Sancto on

  • 1 more comment 
  • Laurina Aug 20, 2008

    Went to turn on the computer the other day and power at all. I have since replaced the power supply, but still nothing. I have cleaned all of the dust out (and there was alot) but dont know how to tell what the problem is.

    Model # H2615

  • poughkeepsie Sep 16, 2008

    I have a W 2646 with the same problem, replaced the power supply and still no power. Think the mother board got taken out with the PS.

  • William Small Nov 25, 2013




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I had a similar problem. replacing the power supply didn't work. What can i do?

Posted on Dec 20, 2007


Thomas Christopher

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Boogiemaster is correct. I would replace it. checking it like that wont be accurate. It needs to load tested.

Posted on Oct 23, 2007

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  • Thomas Christopher
    Thomas Christopher Oct 30, 2007

    did you replace your Power supply?

    Did this solution work??

  • Thomas Christopher
    Thomas Christopher Oct 31, 2007


  • Thomas Christopher
    Thomas Christopher Nov 06, 2007

    Did this work?
    Please post an answer so we can help you further.
    If it worked please rate this post as solved.




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  • 14 Answers

Sometimes if the CPU is overheatign it will power down to stop the cpu from buring out. A power suppluy just supplies power to the motherboard and that's it. If the CPU gets hot it shuts down and wont start till it cools down again.

Posted on Apr 14, 2007

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