We’ve used this many times to change boot OS versions with dual-boot configs, from macOS Mojave, High Sierra, MacOS Sierra, Mac OS X 10.11 El Capitan, 10.10, 10.6 to 10.7, 10.7 to 10.8, and 10.9 Mavericks. There are a few reasons why you might want to run two versions of the Mac operating system, which is essentially what dual-booting means: If you want to update your Mac to the latest software, but.

• Macos Choose Startup Disk
• Mac Choose Boot Drive
• Macos Choose Boot Drive
• Mac Os Choose Boot Disk

Boot Camp Control Panel User Guide

After you use Boot Camp Assistant to install Windows on your Intel-based Mac, you can set the default operating system to either macOS or Windows. The default operating system is the one you want to use when you turn on or restart your Mac.

Set the default operating system

1. In Windows on your Mac, click in the right side of the taskbar, click the Boot Camp icon , then choose Boot Camp Control Panel.

2. If a User Account Control dialog appears, click Yes.

3. Select the startup disk that has the default operating system you want to use.

4. If you want to start up using the default operating system now, click Restart. Otherwise, click OK.

You can’t change your startup volume to an external drive while you’re using Windows.

To learn how to change the default operating system using macOS, see Get started with Boot Camp.

Restart in macOS

Macos Choose Startup Disk

In Windows on your Mac, do one of the following:

• Restart using Startup Manager: Restart your Mac, then immediately press and hold the Option key. When the Startup Manager window appears, release the Option key, select your macOS startup disk, then press Return.

  If you’re using a Mac notebook computer with an external keyboard, make sure you press and hold the Option key on the built-in keyboard.

• Restart using Boot Camp Control Panel: Click in the right side of the taskbar, click the Boot Camp icon , then choose Restart in macOS.

  This also sets the default operating system to macOS.

For more information about restarting in macOS, see the Apple Support article Restart your Mac in macOS or Windows. Fashion discount mac cosmetics lipstick.

Choose OS while starting up

Mac Choose Boot Drive

You can select which operating system to use during startup by holding down the Option key. This displays icons for all available startup disks, and lets you override the default setting for the startup disk in Startup Disk preferences (Mac OS X) or the Startup Disk control panel (Windows) without changing that setting.

Macos Choose Boot Drive

To change the default OS Setting in Windows:

1. In Windows, choose Start > Control Panel. If you are in Category View, click “Performance and Maintenance” (Windows XP) or “System and Maintenance” (Vista).
2. Open the Startup Disk control panel.
3. Select the startup disk with the operating system you want to use by default.
4. If you want to start up that operating system now, click Restart.

To use Startup Disk preferences in Mac OS X:

Mac Os Choose Boot Disk

1. In Mac OS X, choose Apple () > System Preferences.
2. Click Startup Disk.
3. Select the startup disk with the operating system you want to use by default.
4. If you want to start up that operating system now, click Restart