Question about Dell UltraSharp 1704FPT 17" Flat Panel LCD Monitor

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Dell c2280 Hello, My son has a dell desktop c2880 we replaced the power supply and now there is no signal input for the monitor

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First I would double check all of your connections. Then I would try to seat and reseat the video card. If its possible try and use a different video card to test and see if that is the issue. There is a chance that you damaged the mother board during your power supply replacement. Dunno if that helps but thats what I would try first.

Posted on Jan 17, 2008


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  2. The video cable is not connected to the correct port on the system (Or not connected at all)
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The signal cable may be one of two types, depending on your computer's video connector. The monitor has connectors for both VGA (a D-shaped connector with 15 pins) and DVI (a rectangular connector) inputs. You need a cable with whichever type of connector fits your computer.

You should be able to find the power cord at Radio Shack, any of the big office supply places, or retailers who sell computers. The signal cable may be available there as well, or you can order from a number of online vendors.

The monitor also allows you to plug in a USB cable from your computer so you can plug in USB devices like a keyboard or mouse. For that you need the same kind of USB cable you would use to connect a printer.

You can view or download a copy of the monitor user's guide at Dell's site here:

If this solution has been what you need, please take a moment to rate it. Thanks for asking here!

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