Here are the interesting logs (verbose-logging=true) :
Note I tried to preselect a screen but it did nothing (apart from changing the log to [Screen: 0]):0.004 System info: [CPU: AMD Ryzen 5 7600X 6-Core Processor, 12 cores, RAM: 10983/31893 MB, page: 16437/36757 MB, virtual: 4343/134217727 MB, extended virtual: 0 MB]
0.048 Memory info:
0.048 [0]: Unknown CMK32GX5M2D6000Z36 16384 MB 6000 MHz 1.1 v
0.048 [1]: Unknown CMK32GX5M2D6000Z36 16384 MB 6000 MHz 1.1 v
0.048 Display options: [FullScreen: 1] [VSync: 0] [UIScale: automatic (100.0%)] [Native DPI: 1] [Screen: 255] [Special: lmw] [Lang: en]
76.115 Video driver: windows
76.115 Available displays: 2
76.115 [0]: \\.\DISPLAY11 - NVIDIA GeForce RTX 3070 Ti {0x05, [0,0], 2560x1440, 32bit, 144Hz}
76.115 [1]: \\.\DISPLAY12 - NVIDIA GeForce RTX 3070 Ti {0x01, [2560,0], 1920x1080, 32bit, 60Hz}
76.138 [Direct3D11] Display: 0, Output: 0, DisplayAdapter: 0, RenderingAdapter: 0; d3dcompiler_47.dll
Here are the NVidia modification to config.ini :preferred-display-index=0
[Edit] I tried on my old computer (same monitors) where it starts immediately, the only difference is I don't have the line Video driver: windows.full-screen=true
show-inserter-shadows=true
graphics-quality=high
video-memory-usage=all
lights-render-quality=1.000
show-item-shadows=true
max-texture-size=0
texture-compression=false
show-clouds=true
show-smoke=true