How To Repair Laptop Screen Lines. If it does its the video card. Including AppleCare on Apple products with an active membership.
If you dont have the horizontal lines when viewing on the external monitor it is the laptops display screen that has the issue otherwise it is a problem with the video driver chip on the motherboard which in most cases would require replacement of the entire motherboard. All you need to do is restart your laptop and at the very first screen that you see press the specific key that gets you into your computers BIOS settings. Showing horizontal lines means it is the problem of windows problem.
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Electronic fluctuations may cause lines on the screen to appear. All you need to do is restart your laptop and at the very first screen that you see press the specific key that gets you into your computers BIOS settings. How to Fix Lines on Computer Monitor FAQ. If your monitor has horizontal or vertical lines when you apply pressure to the screen or if the lines appear at all times except when applying.
