If your screen just flipped and you're reading this in panic — press Ctrl + Alt + Up Arrow . You're welcome.
Rating: ⭐⭐⭐☆☆ (3/5 – Useful, but often accidentally infuriating) flip screen shortcut
If you’ve ever been working at your desk, reached for your coffee, and accidentally pressed Ctrl + Alt + Down Arrow , you already know this shortcut. Your screen suddenly turns upside down. Your mouse moves the opposite way. Panic sets in. If your screen just flipped and you're reading