Question about eMachines T6420 PC Desktop

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Fan comes on but monitor says no signal the screen stays black and the fan keeps running won't turn off by button have to unplug it for it to go off

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  • jrseaux Sep 23, 2009

    the lights in the back are flashing and the light on the front by the power button and monitor siys no signal then turns black

  • jrseaux Sep 23, 2009

    bought new monitor and said same thing

  • Keith  Kalish
    Keith Kalish May 11, 2010

    Check you video cable connections. Try another monitor or try the monitor in question on another computer to determine if your monitor is working or not. If you determine the monitor is working then you need to move on to troubleshoot your video card.

  • amholt6154 May 11, 2010

    is there any drive light activity? If not then there are a number of potential problems. Are you prepared to open the case and delve inside? If not then take it back and get it fixed... If you are then reply with as much info as possible, look inside for lights and indicators on the M/board, listen for hard drive(s) and CD drives running up when power is applied. Look at CPU fan to make sure it is running. report back...

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I assume you are hearing the power supply and maybe the CPU fan. If you can see what you are doing, then I wouldn't expect you to be able to turn off the computer any other way than doing a hard shutdown.
I would not have bought a new monitor, you were see a display that said no signal, you should have believed it, because that is your problem you have no video signal. If it sounds like your computer is booting up properly you have a bad video card, a bad video cable or both. I would first turn off the computer , disconnect it from the outlet, open it up and try re-seating the video card. You can also try a new video cable, if none of this works I would then install a new video card.
Not sure if you want to go to all this time or expense, but that is the route to go for a DIY project, either that or being it to someone who has the tools and skills to figure it out for you. But I definitely don't think your monitor is the problem

Posted on Sep 24, 2009

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  • eMachines Master
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You need to replace the fan, it will cause further damage if you don't.

Posted on Sep 23, 2009

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