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this post was submitted on 19 May 2026
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PC Master Race
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Stop the service: sudo systemctl stop iptsd
Run the calibration tool: sudo iptsd-calibrate $(iptsd-find-hidraw)
The Test: Touch the screen with your fingers normally, then "draw" with your palm or the side of your hand. Watch the terminal output. It will show you the Size and Aspect Ratio it’s detecting. If your palm touches are showing up as "Contact," note those numbers and adjust the SizeMax and AspectMax in /etc/iptsd.conf to be lower than your palm's readings.
This improved my pen experience a lot. I'd go with a touchscreen xps or something similar next time, pens on the go are just very nice to have. And i love typing on it. But the surface did not live up to the expectation :) for me either. But, it is what I have now, so, trying to make the best out of it. I used Rnote for note taking during my last meeting and it was: ok