Question about E-Machines T2891 PC Desktop

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E-Machines T2891 PC Desktop will not start when power button push

Fuse in power supply okay. Checked pushbutton leads at m-board connection, pushbutton makes when pushed. Does this mean I have a m-board problem

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  • dhercules96 Feb 24, 2009

    have the T3828 installed new power supply it works, the green light comes on inside the tower, but power on button will not work on the outside of machine

  • dhercules96 Feb 24, 2009

    i have the t3828

    bought a new power supply and installed the green light comes on inside but the power button outside will not turn on the machine



    this all happened after a windstorm and power loss

  • Peter Steiert
    Peter Steiert May 11, 2010

    Did you recently move any jumpers on the motherboard? Some motherboards require a jumper be in a specific location when the power button is pushed in order for the system to start.

  • Kim Tyler May 11, 2010

    unplug your PC, open your case, remove the Cmos battery

    remove any add-on PCI cards (such as modem)

    wait 10 min

    put your Cmos battery back in

    plug it up, turn it on



    did that help??

  • Dan rogers
    Dan rogers May 11, 2010

    or a problem with your memory

  • Roy Lonsinger
    Roy Lonsinger May 11, 2010

    Any beeps when you try to turn it on? Is there a green light on near the psu plug to the mb?

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  • 115 Answers

I assume that your computer doesn't start at all. If that is the case then try with another power supply. Still no result --- then mother board needs repairs or purchase a new one.

Posted on Feb 09, 2009

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KingPin, is there any sign of life at all? Any lights, whiring, harddisk spinning?? Is there an LED (small light) visible on the motherboard when the power is on???
If nothing, certainly a power problem - but where. While you have the case open looking for the lit LED on the mobo, can you see any capacitors, the little cylinder-type components on the mobo circuit board that look like little batteries standing up, there'll be about half a dozen of them, that look like they may be bloated, or like a coke can left in the freezer about to explode. Do any of these capacitors look like they could be oozing goo, maybe a yellowish rusting liquid. If any do, this is not good.
If none of that applies the next step is to check your power supply. I would not suggest an amateur to do this over a step-by-step chat as it involves shorting out points and if the system is live, the wrong points shorted, well, guess you'd know what could happen (not good). The power supply is not easy to diagnos for errors, they're tricky buggers that can test well for voltage but once a load is put on them they roll over and play dead. Get an expert to test your power supply, very simple task of they plugging in a PSU tester (or borrow one, or buy one).
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