

To close all open apps and then force restart – Control-Command-Eject.

To force restart – Control-Command-Power button. To close all apps and then force shutdown – Control-Option-Command-Power button, or Control-Option-Command-Eject. To force shut-down – press and hold Power button for 5 seconds, or until shuts down. To run sysdiagnose, which produces a large dump of diagnostic information for Apple (or third-party) analysis – Command-Option-Control-Shift. You should normally reset NVRAM after resetting the SMC. Press and hold Power button for 5 seconds. Older portables with removable batteries – shut down.On built-in keyboard, press (left side) Shift-Control-Option and the power button, then release.
#MAC SHUTDOWN SHORTCUT PRO#

Single-user mode (command line only, rarely useful now) – Command-S. Remote Hardware Test/Diagnostics (online) – Option-D requires a wired keyboard and trackpad/mouse. Hardware Test/Diagnostics mode (run hardware diagnostics) – D requires a wired keyboard and trackpad/mouse. These Recovery modes differ in their reinstall options. Remote (original) Recovery mode (online Recovery, 10.12.4 and later only) – Command-Option-Shift-R requires a wired keyboard and trackpad/mouse. Remote (latest) Recovery mode (online Recovery) – Command-Option-R requires a wired keyboard and trackpad/mouse. Local Recovery mode (Recovery partition, Disk Utility, System install) – Command-R requires a wired keyboard and trackpad/mouse. Safe mode (no third-party startups, flush caches) – Shift. Instead of giving these by the keys used, I have ordered them by function, as that is how you will want to look them up. Here is a handy listing of the most important startup and shutdown key combinations and related techniques, applicable to Macs running macOS Sierra and later.
