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NO signal input, for NO reason!

I think that this problem is related to a previous issue that I was trying the resolve.

The original issue was that only one of my CD drives was working correctly(ish), the other one kept messing around. I decided that switching the two around might give some hints to what the problem might be however once I did that I got ''no signal input'' on my monitor. I then returned the CD drives to the original possition and tried again, the same problem reoccurred.

- I then tried using a different monitor and cable, that did not work.
- I check that nothing had been dislodged
- I tried disconnecting the CD drives and running without them, that did not work either.

nothing worked. At a guess I would say that I must have damaged the montherboard when removing the cable for the monitor however how can I check this? I can not see any physical damage.

There are no error beeps and everything else seems to be running normally, I can hear the fan and so on. Does anyone have any suggestion on what could be the next step (other than buying a new motherboard).

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  • Lee Henderson May 26, 2009


    I have tried to reset the BIOS (god only knows why) like was suggested in some of the sites that I looked at. This has not fixed the problem and now when I turn it on the fans still work however the lights on the CD drives no longer light up. I am also no longer able to turn the computer off my holding down the power button.

  • Lee Henderson May 26, 2009

    Oooops!!! School boy error...

    Apparently resetting the BIOS did in fact fix the problem. I had to remove one of the power cables in order to reach the jumpers and forgot to plug it back in *blush*.

    I am still getting a single error beep though (but I think I had that before), other than that it is running fine.



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Check the linked conversations here and here, here and here.

I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread.
If I've managed to answer your question or solve a problem, please take just a moment to rate this post....thanks!

Posted on May 23, 2009

  • efs_perpends
    efs_perpends May 26, 2009

    Here's a link to some articles that will help you diagnose the beep code. You'll need to know the type of bios or motherboard manufacturer you have to look up the appropriate error code.



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