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2 Posts

11-14-2016

DE

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  • Posts: 2
  • Registered: ‎11-14-2016
  • Location: DE
  • Views: 71
  • Message 1 of 1

Lenovo ThinkPad P40 Yoga: Touch Screen / Touch Pen Issue in Tablet Position

2016-11-14, 11:04 AM

Hey everybody,

 

I just received my P40 last week as a replacement for another Lenovo device. So far, everything seems to work fine with one exception:

 

When I turn the screen over to the "tablet position", the touch screen and the touch pen show erroneous behaviour.

a) As soon as I make the first input with the touch pen, I cannot make any further input with my finger, so the touch input is simply turned off. The Windows setting to ignore touch input when the stylus is used is not active.

b) When I try to tap buttons at certain areas of the screen, especially at the upper edge, the cursor of the stylus starts jumping around and shows up at the lower edge of the screen. That means that when I for example tap on the "X" symbol in the upper right corner to close a window, I actually click on some of the symbols in the system tray in the lower right corner.

 

This problem stops occuring as soon as the angle between the two case parts (screen and keyboard) reaches/exceeds approx. 40°. It does not matter if Windows is in "Tablet" or "Desktop" Mode. I already tried to manually install another Wacom driver mentioned at https://forums.lenovo.com/t5/ThinkPad-S-Series-ThinkPad-Yoga/Wacom-Tablet-Service-for-ISD-Driver-WinTab-causes-high-CPU-Usage/td-p/3422689 and https://forums.lenovo.com/t5/ThinkPad-P-and-W-Series-Mobile/P40-Yoga-issues/td-p/3293985. I had no luck trying driver versions 7.3.3.12, 7.3.4.8 and 7.3.4.13.

 

I would really appreciate your help since this issue makes working in the tablet position virtually impossible.

 

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