If your Mac is having problems, macOS has multiple keyboard combinations that you can hold to recover your system, start in safe mode, run diagnostics, and more. Here's how to use them.

Often when troubleshooting problems in OS X, booting to Safe Mode is one step to minimize the boot environment. Here are some options for how to do this.

Safe Mode in OS X is a good troubleshooting environment; however, sometimes people might find it difficult to boot to Safe Mode using the standard Shift key press at bootup.

Safe mode is a powerful tool for troubleshooting driver issues or software issues. Here is how to start any Mac in safe mode.

Safe Mode or Safe Boot starts the Mac up with select drivers, startup and login items disabled to help you troubleshoot. It also runs some disk diagnosis and attempts to resolve any issues itself ...

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 it to diagnose issues.

There are several utilities you can use on your Mac to secure it at startup. Here's how to use them to keep your Mac and data safe.

You've tried to boot your Mac into Safe Mode but it stalls. What to do? Chris Breen explains what Safe Mode is and how to get around your Mac's reluctance to boot.