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Computer is on but no display. - Operating Systems

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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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If that's the case you would have to go to safe mode and uninstall the display driver and reinstall it in normal mode.
To go to safe mode:
From shutdown turn the computer on and then start tapping the F8 key (for most computers F5 for some)
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1 Answer

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