`tpmiddle.exe` only works with Synaptics trackpoints. My T480s has an Elan trackpoint and I assume it's the same for the T480.
I use MarbleScroll (which is some Logitech tool for the Marble Mouse) which does the same thing.
https://www.fewprojects.com/marblescroll-for-logitech-trackman-marble/
`tpmiddle.exe` only works with Synaptics trackpoints. My T480s has an Elan trackpoint and I assume it's the same for the T480. I use MarbleScroll (which is some Logitech tool for the Marble Mouse) which does the same thing. https://www.fewprojects.com/marblescroll-for-logitech-trackman-marble/
thanks for the suggestion! I'll give it a try