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HP 22yh Display Vertical Blue Line on screen

HP Recommended
HP 22yh Display
Microsoft Windows 10 (32-bit)

I cannot find out how to remove the vertical blue line that has all of a sudden appeared down the right side of my monitor.


I had it connected to my desktop, and now it is connected to my HP HP EliteBook 840 G3 laptop as a second monitor.


Please advise.  I purchased it approximately one year ago

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