i have the same, issue, tried 2 video capture devices, both work on my desktop pc, but not my laptop. also to answer the above question, looking to use firestick on laptop on travels, only way to use it, is to use a video capture device and obs.
Could anyone help with figuring why it works on Desktop PC but not Laptop. Laptop is windows 11 and desktop is win 10, not sure if that would make a differnce