Please try reinstalling again fresh without making any configuration changes or installing additional packages.
Then:
1. Does the problem occur when you haven't yet installed anything?
2. Make changes to the system one-at-a-time and reboot each time. After which change does the bug occur?
Please try reinstalling again fresh without making any configuration changes or installing additional packages.
Then:
1. Does the problem occur when you haven't yet installed anything?
2. Make changes to the system one-at-a-time and reboot each time. After which change does the bug occur?