Question about Dell Dimension 2400 PC Desktop

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Whenever the monitor is turned on, it displays for about 3 seconds and then goes black. what to do? It is only about 3 yrs old

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  • Phil
    Phil Apr 18, 2011

    Need make and model of the monitor

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  • 86 Answers

One of three things is the most likely culprit.

1. Onboard video card is either disabled or bad.
2. Cable is bad
3. Monitor is bad.

You can check the last 2 relativly easily by hooking the monitor and cable up to another computer to see if they function. if they don't then first try swapping out the cable (i say this first because its cheaper) then swap out the monitor.

To see if the video card is bad try hooking up a different monitor to the system. If the new monitor is not displaying anything then you most likely will need to put a new video card in the machine.

Posted on Apr 18, 2011

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