Question about Dell Optiplex 740 Desktop Desktop Computer
Unplug monitor power cord wait for 5 minutes then turn computer off and re hook up monitor and computer if the moniter does not come on then yo have a defective video card, but you can test it with another monitor to be sure. normally if the monitor was bad it would say no signal.
Posted on Feb 05, 2010
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Posted on Jan 02, 2017
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