I have a problem with my dell u2711 it started when i replaced my DVI cable with the display-port cable, it has happened a lot of times that my monitor does not start after the sleep mode. I am sure that it must not be with the change of the wire because it does not show any boot commands. It will only blacken the screen and a message will appear showing that its entering the power save mode. I have tried several times to switch off my monitor and start it again but it fails to start again so where does my problem lie suggest me something.
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