![Vertical dotted line on HP VH240a monitor used as a external monitor on a laptop. Can't seem to get rid of it. When I open a window, it appears to be layered Vertical dotted line on HP VH240a monitor used as a external monitor on a laptop. Can't seem to get rid of it. When I open a window, it appears to be layered](https://external-preview.redd.it/5YZ7iuXMtNXV4TJFkjM8Zcu_ZNFurerzg3BqdnSJ3yU.png?format=pjpg&auto=webp&s=16ddef4f1da83008871d528977811df3b5761059)
Vertical dotted line on HP VH240a monitor used as a external monitor on a laptop. Can't seem to get rid of it. When I open a window, it appears to be layered
HP Flat Panel Monitors - Color Screens (Red, Green, Blue) Appear Instead of Standby Screen - HP® Customer Support | Computer Monitor | Hewlett Packard
Solved: Screen shows colored vertical lines after sleep or when I cl... - HP Support Community - 6460150
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