Dell monitor screen black with blue box saying “No DVI-D Cable”. What does this mean?

On the bottom right are a few buttons, the far left one should be a circle with an arrow, press it until you get to analog auto
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Dell monitor screen black with blue box saying “No DVI-D Cable”. What does this mean?
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DVI is a type of video interface. If you see it, your monitor is displaying it. If your monitor is telling you that there is no DVI input then either your DVI cable is unplugged or loosened from either the monitor or Video Card or you are using a different kind of interface and you need to tell you Multi-interface monitor from which interface to expect the signal
It means you are probably connected with a VGA (analog) cable but you set the monitor for Digital instead of Analog

Set the monitor on analog using the On Screen Display buttons

Or Connect a DVI D cable

A DVI-I cable will do analog or digital
No Dvi-d Cable
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