Thrustmaster TCA Throttle linearity issue in DA62

Dear Community,

I am relatively new to Flight Simulator and would like to use it to train IFR procedures, for now with the stock DA62. I managed to set it up to a usable state with the Thrustmaster T16000M, but the throttle was always showing weird behaviour, not at all linear. I bought a TCA airbus captain pack, but for now i still want to stick with the DA62. So i removed the notches and disabled reverse thrust. I just want to use the full range of the levers to control the power in the DA62 in a linear way. Since i put the new hardware i can’t solve the following issues:

  1. Even though sensitivity is set to linear, and looks linear when i move the levers while in the options menu, the throttle in the plane behave in a totally different manner. the stay around zero up to around half way of the lever and then jump quite quickly to 100 %. I googled this and set the axis to throttle axis (not the 0 to 100% as in default). Also i deleted other throttle related key bindings.

2)I use 2 monitors because i want to see the second MFD without changing camera view. But now if i click a button on the G1000, the mouse jumps to the main mointor and also the mouse clicking location does not perfectly match the know location.

  1. Since i have this hardware installed, the cockpit becomes completely dark after a few minutes in the sim, but i can’t figure out why. The electric master still looks like its on.

The newest firmware is installed.

Sensitivity settings:
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I have the throttle quadrant including the flaps and spoilers, but only the throttle qudrant is shown on the picture, is this normal?

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The thrustmaster control panel looks good to me, when i move the throttle around the response looks quite linear. And buttons 9 to 16 flash when i move through the lever positions where the stops would be.
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I would very much appreciate any help! The sim is completely useless to me like this unfortunately.
Thanks!