Restarted OBS and got this in log
14:36:21.442: Initializing D3D11...
14:36:21.442: Available Video Adapters:
14:36:21.445: Adapter 0: NVIDIA GeForce RTX 2070 SUPER
14:36:21.445: Dedicated VRAM: 8377073664 (7.8 GiB)
14:36:21.445: Shared VRAM: 34276433920 (31.9 GiB)
14:36:21.445: PCI ID: 10de:1e84
14:36:21.445: HAGS Status: Disabled (Default: No, Driver status: Supported)
14:36:21.445: Driver Version: 32.0.16.1062
14:36:21.446: output 0:
14:36:21.446: name=VG279QM
14:36:21.446: pos={0, 0}
14:36:21.446: size={1920, 1080}
14:36:21.446: attached=true
14:36:21.446: refresh=60
14:36:21.446: bits_per_color=8
14:36:21.446: space=RGB_FULL_G22_NONE_P709
14:36:21.446: primaries=[r=(0.646484, 0.340820), g=(0.306641, 0.639648), b=(0.150391, 0.047852), wp=(0.313477, 0.329102)]
14:36:21.446: relative_gamut_area=[709=1.105803, P3=0.815166, 2020=0.584827]
14:36:21.446: sdr_white_nits=80
14:36:21.446: nit_range=[min=0.000000, max=400.000000, max_full_frame=400.000000]
14:36:21.446: dpi=96 (100%)
14:36:21.446: id=\\?\DISPLAY#AUS278F#4&3623efdd&1&UID224795#{e6f07b5f-ee97-4a90-b076-33f57bf4eaa7}
14:36:21.446: alt_id=\\.\DISPLAY6
14:36:21.447: output 1:
14:36:21.447: name=BenQ GL2460
14:36:21.447: pos={-1920, 0}
14:36:21.447: size={1920, 1080}
14:36:21.447: attached=true
14:36:21.447: refresh=60
14:36:21.447: bits_per_color=8
14:36:21.447: space=RGB_FULL_G22_NONE_P709
14:36:21.447: primaries=[r=(0.641602, 0.333984), g=(0.333984, 0.624023), b=(0.152344, 0.049805), wp=(0.313477, 0.329102)]
14:36:21.447: relative_gamut_area=[709=1.023304, P3=0.754350, 2020=0.541196]
14:36:21.447: sdr_white_nits=80
14:36:21.447: nit_range=[min=0.500000, max=270.000000, max_full_frame=270.000000]
14:36:21.447: dpi=96 (100%)
14:36:21.447: id=\\?\DISPLAY#BNQ78CE#4&3623efdd&1&UID198195#{e6f07b5f-ee97-4a90-b076-33f57bf4eaa7}
14:36:21.447: alt_id=\\.\DISPLAY5
14:36:21.447: Adapter 1: Intel(R) UHD Graphics 630
14:36:21.447: Dedicated VRAM: 134217728 (0.1 GiB)
14:36:21.447: Shared VRAM: 34276433920 (31.9 GiB)
14:36:21.447: PCI ID: 8086:3e98
14:36:21.447: HAGS Status: Disabled (Default: No, Driver status: Unsupported)
14:36:21.447: Driver Version: 31.0.101.2135
14:36:21.447: Loading up D3D11 on adapter NVIDIA GeForce RTX 2070 SUPER (0)
14:36:21.640: D3D11 loaded successfully, feature level used: b000
14:36:21.640: DXGI increase maximum frame latency success
14:36:21.640: D3D11 GPU priority setup success
has it finally booted with the right GPU?