Windows 10: Single Horizontal Black Line on top of my Laptop

Since yesterday, There is a single visible black horizontal line on top of my Laptop Display. It hasn't been long since i got this laptop. Tried resting the lap for few hours but it didn't work, nor did the troubleshooter help.Expecting an reply.Thanks & Regards.Image Was unable to Attach as an image

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removal of black thick horizontal line on top of screen

I have a issue regarding single black thick horizontal line appearing from left to right in top of the screen since February 2018 which is a big problem for me.So please let me know how to rectify the said asap please.Thank You

 

Black line (horizontal) on the screen

Thanks for replying, actually the problem is a black single horizontal line, not a black screen.

 

horizontal black line on screen

Without you having posted a screenshot of it, it may point to either corrupted graphics drivers or a possible failing hardware part.

We don't know if the horizontal black line is at the top, bottom, middle or where on the screen or the thickness of it or anything else about it.