I was about to cast my Oculus Quest's screen to Google Chrome for some
friends, and when I had everything set up and pressed cast, it just
wasn't working. When it was about to load on my computer screen, the
Oculus cut the cast short because it could...
If POWER and VOL- isn't working, you could try doing a remote factory
reset from the app:Settings > Oculus Quest > More Settings > Advanced
Settings > Factory ResetAs far as I know, that's the only way to fix it.