Weird lines appearing on screen

Hi! I'm getting random white lines in random positions on the screen. This only happens when I'm playing Counterstrike. What could cause this and how can I fix it? I'm playing with Lenovo x1 carbon i7 4550u with Intel hd 5000.
Reply to oiva.kylliainen9
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  1. Turn on V sync
    Reply to theliltank4901
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