Power adapter is also big part of it. Even if power adapter works with one distro it may not work with another.
For my case with HD screen was caused because of the problem running apt install -y linux-5.10-rock-5-latest from the documentation
For me apt was not working properly (GPG error). When solved apt pgp error using this page it worked for me. I haven’t tried the camera yet.
@rth may be it would be good idea to provide some information like your current kernel uname -r. I am not that much experienced with Linux but I see there are some folks around with deep experience.