How to restart your Mac computer in 4 different ways, including when it's frozen

You should occasionally restart your Mac to help it run more efficiently. Here's how to restart a Mac in 4 different ways, ...

How to start your Mac computer in 'Safe Mode,' to diagnose problems and track down troublesome programs

Holding down the shift key while turning a Mac on will boot it into Safe Mode. Here's how to start a Mac in Safe Mode and use ...