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No Signal I was using my computer the other night when my cat knocked out the power to my computer. when i restarted the computer my monitor was not receiving a signal. i tried a different monitior to see if it was my monitor that was the problem, but no signal was still being sent to that monitor either. Can this problem be fixed or do i have to replace a part if? so which part? I have a Gigabyte 8800 512 MB, Asus motherboard, AMD Quad core processor, 900 watt PS, and overheating isnt the problem my computer was at a constant 86 degrees.

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  • muttthetroll Sep 19, 2008

    when i turned on the computer the monitor receives no signal the light on the screen remains yellow and doesnt turn green. when i look inside i dont see anything change other then the fans turn on inside appears to running like normal.

  • muttthetroll Sep 19, 2008

    Alright i dont know how to change the power supply it says on the side that its 115-240.

    when i tried all three of you suggestions none of them worked still , each time a black screen remained nothing different from what i can see.

  • techbwoy May 11, 2010


    Can you tell if the computer is actually running ? Usually you should see the hard disk like (a cylinder icon) flashing during the boot process.



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Just out of curiosity confirm that the power switch is set to 115/120 and not 230/240 (assuming you are the states)
Try These please
1- if the motherboard has a built in video card, plug the monitor unto that to test .
2- remove the video card from its slot then reseat it, then power on system
3- remove the memory and reseat, then piower on system

Posted on Sep 19, 2008

  • techbwoy Sep 20, 2008

    ok try this

    take all the memory sticks out, and power on

    the system should beep, that will confirm if *********** board is doing doing its system tests.

    Secondly remove all devices on the motherboard just leaving the barebones, video and motherboard.

    Since you are already at it you could also reseat the processor.

    Hope this helps you to narrow down the problem

  • techbwoy Sep 20, 2008

    ps that was not a curse word :)



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