Please tell us some basic information before asking for help:
Model Name: Rog 3
Rooted or not: not
Frequency of Occurrence:
APP Name & APP Version (If your issue relates to the app): anter phone upgrade Android 11 to Android 12 my phone stuch black screen not working anything, I try power button press 20 sec for force reboot not working
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.