I can't get the avionics on the comanche runing

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As the title says, after installing the new 2024 native version of the A2A piper comanche, y wanted to try the g5 mfd's retrofit. But unfortunately i can't even turn them on. Only black screen on the mfd's and the gps.

I tried everything I can search of of internet. Furthermore it seems to be some sort of app of A2A, but I cant find it on my pc.

Also I don't know how to update the piper.

Sorry for the dumb questions, but it'a driving me crazy.

Any help is apreciatted.