Second output screen black

[evilkilig]

I use MacBook Pro 2.3 GHz 八核Intel Core i9, Intel UHD Graphics 630 1536 MB,macOS Ventura13.3.1(3072 × 1920), Arena 7.14.1
Normal display

When I cast my computer to the projector, the second screen doesn't show anything

When I leave the projection state and reopen the software, the composition monitor also goes black

[Zoltán]

How do you "cast" the display?

Do you have a dedicated GPU in the machine? https://resolume.com/support/en/tech-specs

[evilkilig]

How do you "cast" the display?

Do you have a dedicated GPU in the machine? https://resolume.com/support/en/tech-specs

Thanks for your reply i think it is not "cast",it is mapping or mirror..? i used"screen mirroring"to project.As well as I confirmed the list, my device is up to the minimum specifications

[Zoltán]

The intel 630 doesn't meet the minimum specs unfortunately, that's why I asked about a dedicated GPU.

Cast for me would mean sending via software like airplay, Mirror would be duplicating your screen.
Do you use the OS display mirror, or do you have Resolume send it to your external display?

[evilkilig]

The intel 630 doesn't meet the minimum specs unfortunately, that's why I asked about a dedicated GPU.

Cast for me would mean sending via software like airplay, Mirror would be duplicating your screen.
Do you use the OS display mirror, or do you have Resolume send it to your external display?

Please forgive me for not being very good at English so there is a bias in the expression, I am trying to describe it as clearly as possible
Since Intel is not mentioned in the list, And I don't know much about this kind of hardware，I assume that my computer equipment meets the minimum requirements
I use "mirror screen"to connect with projector as my second screen,and i clicked "output-display" and draw the new Preview window to the second screen area.