Other times, function keys can be combined with other modifier keys (Control, Alt, Shift, etc.) to perform even more actions-like Alt+F4 for quitting a program in Windows. For example, the F5 key on a MacBook is designated as a brightness adjustment key for the keyboard’s backlight-it isn’t until you hold down the “Fn” key and press F5 that it will perform its in-app function (like reloading a web page in your browser). Most keyboards have function keys, but sometimes the keys are mapped to other actions by default and can only be used as actual function keys if you press a dedicated “Fn” modifier key on the keyboard first. Some function keys are more universal, like F1 to open a help window in most apps. In a web browser, F5 refreshes the current web page, but in PowerPoint, it starts your slideshow. These keys perform shortcuts to certain functions (hence their name), and they have different actions assigned to them depending on what app you’re using. ![]() What Are Function Keys, Anyways?įunction keys are the top row of keys on your keyboard, and they’re easily identified by an “F” and a number (F1, F2, F3, and so on). In fact, function keys have been around since the earliest days of personal computing. ![]() ![]() If this is indeed the end of function keys on MacBooks, they had a good run. ![]() Apple officially did away with function keys on the MacBook Pro for its mid-2019 refresh, going all-in on the Touch Bar instead.
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