RokuKariza-D
I'm also experiencing this. I believe the problem is coming from a recent HBO password change.
Please let me know if you've recently changed your password.
It was working fine, then we changed the password. When we click HboMax app it goes through the HBOMax splash screen and then some dots appear to be loading something briefly before the screen turns black indefinitely. When clicking any button on the remote it makes the regular feedback noise like switching channels. The only buttons that do anything are the home button, which behaves normally and the asterisk button, which displays system details.
Let me know if I can help in anyway.
Roku Model: 3940X Roku Express 4k Connected to internet: true Client Version: 53.20.5 Firmware Version: 12.0.0 (4175)