Actually, buy a (or the free software "Deckboard" on an old Android phone). Create a button that executes a command line script. It’s overkill. It’s beautiful. The Ultimate Cheat Sheet (DDC/CI Codes) If you use ControlMyMonitor , you don't even need to remember which button does what. Run this command in CMD:
Spend 10 minutes learning ddcutil (Linux/macOS) or BetterDisplay (Mac). You’ll feel like a wizard. how to switch monitors with keyboard
You don’t need a $300 KVM switch. You don’t need to buy new hardware. You just need your keyboard. Here is the ultimate guide to switching your monitor’s input source (HDMI 1 vs. DisplayPort vs. USB-C) without leaving your home row. Most people don't realize that Windows, macOS, and Linux have built-in display shortcuts. But here is the secret: Those shortcuts only switch how your PC sees the monitor (Extend, Duplicate, Second screen only). They do not switch the monitor’s physical input from, say, your PC to your Nintendo Switch. Actually, buy a (or the free software "Deckboard"
To switch the physical port , you need to speak directly to the monitor. Since 2007, almost every monitor has supported a ghost in the machine called DDC/CI (Display Data Channel/Command Interface). It allows software to tell your monitor, "Hey, switch to HDMI 2." It’s beautiful
Let’s be honest. You look like a T-Rex reaching around the side of your monitor trying to find that tiny, recessed joystick button. You accidentally hit the "Exit" button three times, cycle through the wrong input, and finally— finally —your PlayStation画面 appears on the work monitor.