- Apr 01, 2020 If you're using Boot Camp to start up from Microsoft Windows, set Startup Disk preferences to start up from macOS instead. Then shut down or restart and try again. Remember that some key combinations are disabled when your Mac is using a firmware password. Learn what to do if your Mac.
- My Mac won't boot into OS X anymore after installing Windows 7 via Boot Camp. What I've Tried: - Holding down various key combinations during start-up (Option, Option-R, Command-R, Option-Command-R, etc) does nothing.
How to start up in macOS from Windows
If you want OS X or Windows to boot every time, choose app → System Preferences, click Startup Disk, and choose the OS you want to launch by default. You can perform the same function in Windows by clicking the Boot Camp system-tray icon and selecting the Boot Camp Control.
- From the notification area on the right side of the Windows taskbar, click to show hidden icons.
- Click the Boot Camp icon .
- From the menu shown, choose Restart in macOS.
If you haven't installed the latest Boot Camp updates, you might get the message ”Could not locate the OS X boot volume.'
Or use Startup Manager as your Mac starts up:
- Restart your Mac from the Start menu in Windows.
- Press and hold the Option (or Alt) ⌥ key as your Mac begins to restart.
- Select your Mac startup volume (Macintosh HD) in the Startup Manager window, then press Return or click the up arrow:
How to start up in Windows from macOS
- Use Startup Manager to choose your Windows (Boot Camp) volume during startup.
- Or select your Boot Camp volume in Startup Disk preferences, then restart.
Macintosh Boot Camp Choose Disk Start Up
Learn more
Bootcamp Can't Boot Mac Os
- If you're having difficulty using VoiceOver or another screen reader to complete these steps, please contact Apple Support.
- Learn how to install Windows 10 on your Mac.