Add Yahoo as a preferred source to see more of our stories on Google. If your Mac isn't working right, try force quitting programs. YouTube/Screenshot/Business Insider If you want force an app or ...

The combination of ALT + F4 is useful for shutting down applications and systems. It is one of the most-used keyboard shortcuts. However, many users report that the combination doesn’t work. If you ...

A set of keyboard keys from F1 to F12 that are programmed by the operating system or application to perform some task. The function key can be used alone or in combination with Shift, Control and Alt ...

Almost every computer keyboard has a row of function keys at the top, but it seems like almost nobody knows what they do. They’re incredibly handy, however, and can be an invaluable part of your daily ...

Sometimes in life, you just have to cut your losses and call it quits. This is certainly the case when your Mac is giving you trouble with a program that's either frozen, or running so slowly that you ...