Why can't I launch UE 4.24 DX 12 enabled?

Development Rendering
, , , , ,
1

I can’t launch the engine (ue 4.24) dx12 enabled and i cant use ray tracing feature on my laptop. I’m using the latest gpu driver (rtx 2080) and latest windows 10 (1909). I can use 4.24 DX11 enabled pretty well by the way. i think the problem is nvidia optimus thingy.

note: preferred gpu selected as nivida (high performance)

293889-79728127-10215989117177147-5031864816478715904-o.jpg
293889-79728127-10215989117177147-5031864816478715904-o.jpg960×524 23.4 KB

293890-adsız.png
293890-adsız.png1230×826 52 KB

2

No one? In the UE-74075 it’s marked as fixed but i tried all three latest versions (4.22 4.23 4.24) still get that crash.