Following up on this. I have discovered that the behavior only occurs when the lid is closed. If I change the setting to "Do Nothing" when the lid is closed, the issue still occurs. If I put the laptop to sleep first, then close the lid, the trackpad works normally after resuming. It seems to...
I have a modded Lenovo T480s with a touchpad from an X1 Yoga gen 3. I have been able to install the correct Synaptics driver and change the group policy editor to skip automatic installation of the drivers for the original touchpad. However, when I put the laptop to sleep by closing the lid...