Dark Overlay at The Middle of Thinkpad Screen.
I am getting dark overlay on my Thinkpad T440s at the middle of the screen which is FHD+Touch, this dark overlay don’t always appear, sometime it appear after laptop start and disappear itself after few seconds and sometime when it appear I have to tilt the screen to make it go away sometime it appear that it hardly noticeable and sometime it dark enough to easily noticeable… If I put slight pressure at the bottom right side of the screen where dark overlay start this dark overlay go away!
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