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Computer is on but no display. - Computers & Internet

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  • Saroj Sharma
    Saroj Sharma May 11, 2010

    see if monitors getting power and is on...when you disconnect the monitor cable from the computer do you see the self test feature check...the format may vary from monitor to monitor it may say"no signal" or a box with three stripes of colors etc....also check if the monitor connector has any bent or broken pins...if all is fine is the monitor connected to the correct port... do you have the correct input signal set for it...if all this is fine then you will need to check the video card...

  • Jeremy Husby
    Jeremy Husby May 11, 2010

    First, did it work before?
    Any pins bent in the connections?
    Have the video adapters been changed?
    Have any other changes been made, drivers, firmware, etc. . .??


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Would you be able to try a different monitor? Also when you say no display do you mean nothing at all comes on screen or it does not display windows. Also when you remove the monitor from the computer does it display color bars? signifying that its still working.

Posted on Mar 06, 2009

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I think you mean, your display is in power saving mode, this happens when there is no signal from the computer - the display then goes to powersaving mode, try restarting your computer, if it doesn't turn on the display. try the display on another computer to see if your display works.

if your display works with anohter computer, try it again on the problem machine, if its still in the power saving mode, then its not turning on, the computer is not turning on-

I would suggest to get a local friend or a tech to look into your computer and find the issue, if your handy with screwdrivers and know your way inside the computer, then you could take the case open and reseat the memory. try without any memory, then try with just one memory module. Then put them all back in, if this doesn't help, its not a memory related problem.

to save time i recommend you take the computer to a local professional.

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