My HDMI cable won't connect when I plug one end into the HDMI slot on the Acer Aspire R3600 and the other into a Samsung DVD player.
What could be causing this? Is there anything else I should be doing to set this up?
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I don't think the R3600 is able to accept HDMI in, it's only for displaying video out. You will need to conenct the DVD player directly to your display device to see output from it.