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Surface Pro 3 - White spots on screen (no hardware issue)

Hello,

One of our users reported a very strange issue on her Microsoft Surface Pro 3 device.
OS: WIndows 10 Pro 1607

She starts to see white circles that look like pressure marks on her screen.
The circles are alligned on the same heigt but do shift sometimes left or right after reboot.
It is not a hardware issue as I see them also when taking over the screen with Teamviewer.

Please see attached screens to better understand what's all about.

Removed file names
Any idea what this is?
I've never seen something like this.
2016-10-31_9-33-10.png
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alohadin
Asked:
alohadin
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1 Solution
 
Cliff GaliherCommented:
That is how windows registers touch on a touch screen. I see this with surfaces that are docked and the type cover is closed. While this turns off the (mirrored) display, it does NOT disable the screen's touch sensitivity, and the cover's contact against the screen is setting it off.

In most cases, cleaning the screen and keyboard solves the issue (as it is skin-oil residue that is actually the issue)
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alohadinSEAuthor Commented:
That actually makes sense.
I'll head over to the user to see what I can do.

I'll keep you posted.
thx!
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alohadinSEAuthor Commented:
The problem was indeed with the Touch Screen, but the Touch Cover was not closed.
The Touch Screen was extremely dirty.
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