I was doing some work on the Thinkpad X1 Extreme with 18.10 installed. Then I went to watch TV. About 20-30 minutes later, when I got back to the laptop, the screen was black. Pressing any key on the keyboard does not lead to any respond from the laptop. Pressing the power button led to the light on the button blinking. What does that mean? The only way to get back to the system is to force reboot. Is this a bug?
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I have the same issue with my desktop.
I can restart the session doing one of two things:
- suspend (not restart) and then immediately resume or switch to another screen with Ctrl+Alt+FnKey
- and then back to my graphical screen (Ctrl+Alt+F1 in my case).
These two actions seems to restart the login interface and I can get back to the session.
