Display goes to sleep watching video
26165
How to prevent the screen lock while watching video (Netflix, Youtube, Amazon Prime) in Ubuntu 17.10
47055
Can I tell Windows 10 - 'If I close the lid on my laptop, go to sleep IF I don't have an external monitor attached'?
59310
Turn off MacBook Pro's display while connected to external monitor on Yosemite
52265
VSE Audio and Video Sync is off by 2 Frames Every Time
14659
Turning DisplayPort monitor off disables monitor completely
45103
Graphics and sleep issues on Dell Inspiron 15 UHD
54865
Can I sleep one of the displays on a multi-monitor setup?
36320
Is it possible to “Turn off display” with power button without locking screen like in Windows. (Ubuntu 18.10)
99919
How do I prevent the Welcome Screen / Lock Screen from appearing after idling in Windows 8?
49620
Macbook pro 2018 with Mojave overheating when connected to external monitor
97661
Can I turn off macOS Catalina's internal display without close the lid while using an external monitor?
93264
Why won't my computer go to sleep automatically?
6881
Computer turns itself on after any off mode
43899
I am hearing my screen
50715
prevent monitor switching when closing laptop lid
92194
Windows 10 gets shutdown instead of going to sleep/hibernate
7004
How do I stop the screen from being locked on suspend?