Can you switch to a tty in that moment?
You can do that with Ctrl + Alt + F2.
If so, you could try resetting plasma and kwin like here:
Then go back to Ctrl + Alt + F1. (or F7)
Can you switch to a tty in that moment?
You can do that with Ctrl + Alt + F2.
If so, you could try resetting plasma and kwin like here:
Then go back to Ctrl + Alt + F1. (or F7)