Similar to Shift, Ctrl, and Alt on Windows and Command on Mac, the Fn is a modifier key, meaning it is used in combination with other keys to change their usual function.

Learn how to remove, swap, replace, repair and clean the keys on your iMac, Mac or MacBook laptop, with our simple Mac keyboard repair guide. Plus: how to swap key functions around using Mac OS X ...

Once that's done, the Touch Bar will always display the entire F1 through F12 key number row until you change the "Touch Bar shows" preference to something else (Spaces or Quick Actions, for example).

The power button has been replaced with a sleep/wake key that launches Bixby when you press and hold it. Here's how to change it to get a traditional power menu.

Lenovo makes some pretty decent laptops and netbooks. But there’s one thing that always bugs me about Lenovo computers: the Fn and Ctrl key placement. Most computer makers put the Ctrl key on ...