All Mac settings
Settings Pathfinder · Mac
Startup Disk
Chooses which disk your Mac starts up from.
In macOS 27
System Settings then General then Startup Disk
“On your Mac, choose Apple menu > System Settings, click General in the sidebar, then click Startup Disk on the right. (You may need to scroll down.)” — Apple User Guide
Where it has lived
-
macOS 14 and later
System Settings then General then Startup Disk
Checked against Apple's User Guides from macOS 14 onward. Menus can differ slightly by region, language, model and installed apps.
Sources for this page
Last verified 8 Oct 2026
- 1 Change your Mac startup disk - Apple Support support.apple.com · guide for version 14.0
- 1 Change your Mac startup disk - Apple Support support.apple.com · guide for version 15.0
- 1 Change your Mac startup disk - Apple Support support.apple.com · guide for version 26
- 1 Change your Mac startup disk - Apple Support support.apple.com · current guide