My screen goes down when opening or closing some windows, goes black and then shows some random verical lines.Any ideas what is causing that?
Just check the main lead of the monitor that it's connected securely the back of the computer, or try disconnecting the lead and reconnecting again it maybe just a bad connection.
Try Device Manager,Make sure there are no yellow exclamation marks on any of your devices,Its normally a problem with your Graphics Card,Or make sure your screen resolution is set right,
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