How to Use Your Mac's Safe Mode Power on or restart your Mac, then immediately press and hold the Shift key as your Mac starts up. Release the key when you see the login screen. Log in to macOS.

Booting in safe mode to resolve login issues Several users with login problems (usually startup getting stuck at the login screen) after applying the Mac OS X 10.3.4 update report that starting up ...

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

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.

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.

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.

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.

His Mac always seems to boot into Safe Mode He writes: The Shift key gets pressed automatically only [on my MacBook Pro] during startup, and it start up to Safe Mode. After that, the Shift works.

If the OS uses the first 700 MB when booting normally, but only the first 500 MB when booting in safe mode, it will appear to be broken in normal mode, and fine in safe mode.