The question is actually already up.
I know that a laptop usually only has an HDMI output - but are there converters with which you can use the display of a laptop as a screen without having to resort to a capture card?
Maybe people here are familiar with it, I just can't get through it.
Love from.
As long as your laptop does not have an HDMI input, it is not possible. Sure, there are other ways, but if you only want to do it via an input directly on the notebook, it is not possible.
The only option would be with a capture card.