Netflix and Disney Plus has black screen. You can hear the movie but not see it.

[William vL]

If you use Brave as your web browser, do the following to disable hardware acceleration (or as Brave puts it, "graphics acceleration").

Go to "Settings". The Setting screen will appear.
On the left side near the bottom you will see "System", click that.
On the System screen you will see, "Use graphics acceleration when available". If it is on, turn it off and relaunch Brave.

This worked for me. Happy viewing.