Ever happened to accidentally hit something on your F1-F12 panel that made your laptop do all kinds of funny things? We all probably have, and then kept pressing random keys until we either stumbled upon the right one to reverse the changes or gave up and started crying.
Well, fear no more: here is a comprehensive guide to all F key functions. There might be variations and additional functions depending on your laptop’s brand, but the basics are always the same. Save these for future reference, but you might want to have them on your phone – for when you’ve accidentally blocked your screen with one of these keys!