Black screen when connecting my hdmi from ps4 to laptop [Closed]

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Monday August 14, 2017
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August 14, 2017
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I have an alienware m17x (yes, it has hdmi input) and recently I upgraded my screen from 1600x900 to 1920x1080. Ever since then, when i try to play my ps4 on my laptop monitor, the screen turns to a dark grey colour then to a black screen.
I have tried connecting my xbox one to my laptop and had the same results so its most likely a problem with my laptop.
please help

thank you