If you use a regular TV as a monitor but it won't wake up when your computer comes back from sleep, this open source app might be the solution : r/Windows10
How to Enable HDMI-CEC on Your TV, and Why You Should
TUTORIAL: Control with a single TV remote our Android TV-Box and mini PC using HDMI-CEC
Xbox controllers can now switch your TV input with HDMI-CEC | Stevivor
High-Definition Multimedia Interface - Wikipedia, la enciclopedia libre
HDMI-CEC Tray download | SourceForge.net
Micro Center - How to enable an HDMI Device in Windows 7