I can't recover from the screen being off without resetting the laptop using the power button.
When I use the fn+volume keys while the screen is off I can hear the volume changing, I just can't find a way to get the screen to come back on.
I am using a Samsung Q45 laptop. I can pull any debug/system info and paste it in if someone tells me the commands to run.
Here is the link that crashes (crashes in both Firefox and Chromium):