When I upgraded to Win 10, I reinstalled v4.5. I then calibrated all my three joysticks in Windows game controllers first, and then assigned the various axis to the sim's functions. I recalibrated a second time to make sure that Windows and the sim are all synchronized with respect to joysticks.

My throttle quadrant, as well as my other controllers, are the same ones I used in P3D 4.5 in Win7.  I have Xplane in Win 10, and things are fine here, too.

All my axis work well, except for the trim wheel.  When I have the trim wheel assigned in the sim, the trim behavior in the sim( in all the aircrafts) is erratic. The trim tab in the sim simply goes crazy as soon as I move the trim wheel a little bit.

I don't have FSUIPC, and have installed only Orbx global. All of this is with the default aircrafts.

I am an experienced simmers( I build controllers, too), so I am really stumped by this. And since this is my first try under Win10( fully updated), I am not sure how to diagnose the issue.

Under the calibration phase, the trim wheel is stable and responds normally.

I am asking in this forum before I contact support at Lockheed.

One more thing, the trim wheel happens to be the y axis. Can it be that Win10 gets confused when two joysticks have the same axis assigned to two different functions. Again, this is fine in Win7.

Thanks

tony

I noticed yesterday in the 114 that trim just does its own thing. I was flying around the Caribbean VFR and realized n had the (Saitek) yoke in my lap trying to maintain level flight. Then I looked at the trim wheel and it was just rolling nose down at a slow, consistent speed. I could fight it with nose up trim on the yoke, but as soon as I stopped trimming it just started rolling nose down again. I treated it as a flight ckntrol problem (I like to challenge myself as if it were a real world situation) but before I could resolve it the sim froze (that's a whole different story).