a thin blue line

a thin blue line suddenly appeared in the center of my computer

Tips to get rid it please.
  • Have you tried to set a new theme on the computer... ??? and then again by setting the wallpaper?

    • Windows 7: right-click on your desktop and select Customize, select and Aero theme, apply, then put back the wallpaper

    • Change the background, or perhaps your screen has a small crack.

    did you accidentally stepped on it or spilled liquid on it recently?

Tags: Windows

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