Strange screen resolution

The resolution goes from left to right on the screen.  I have attached a picture.  I warm it shows up on the attachment.  You can the horizontal lines on the left.  You will need to enlarge the image.

Thank you

The lines disappear without my intervention.  It lasted about 30 minutes.  If it happens again, I will include the model of the monitor and resolution settings.  This if a few months ago, but then it took about a day to solve itself.

Tags: Acer Displays

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