Touchscreen only works when touching the case
I bought an used SP5 and replaced the screen. All went perfect and no issue seemed to be present. But after using it more, I found a problem with the touch recognition. I can only use my finger to interact while touching the Metall case of the SP5, when laying it on the table (or any other surface) it won't recognize the touch input. I tried every other troubleshooting tip (reinstalling drivers, firmware, resting or setting the calibration etc).
I do have a screen protector on the screen. Might this be the problem? Or do I have to open the device again? Maybe there's some current acting as phantom touch on the whole screen? Magnetic interference? Surface pen works flawless.
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Hi Fabio von Brasche,
I’m posting as a comment and not answer, as I’m not 100% sure, but it almost sounds like you have a grounding issue in there after the screen replacement.
I’d start with opening it up again, even though it’s a pain, and unplug, clean and plug back in both battery and screen.
por Geir Ove Andersen