To use any of these key combinations, press and hold the keys immediately after pressing the power button to turn on your Mac, or after your Mac begins to restart. https://newnewyork153.weebly.com/blog/academic-writing-app-mac. Keep holding until the described behavior occurs.
Then, tap on the app you want to look at (if you can't spot it, tap See all). Tap on Permissions to see everything the app has access to: A messaging app, for instance, might have access to SMS.
Command (⌘)-R: Start up from the built-in macOS Recovery system. Or use Option-Command-R or Shift-Option-Command-R to start up from macOS Recovery over the Internet. macOS Recovery installs different versions of macOS, depending on the key combination you use while starting up. If your Mac is using a firmware password, you're prompted to enter the password.
Option (⌥) or Alt: Start up to Startup Manager, which allows you to choose other available startup disks or volumes. If your Mac is using a firmware password, you're prompted to enter the password.
Option-Command-P-R:Reset NVRAM or PRAM. If your Mac is using a firmware password, it ignores this key combination or starts up from macOS Recovery.
Shift (⇧): Start up in safe mode. Disabled when using a firmware password.
D: Start up to the Apple Diagnostics utility. Or use Option-Dto start up to this utility over the Internet. Disabled when using a firmware password.
N: Start up from a NetBoot server, if your Mac supports network startup volumes. To use the default boot image on the server, hold down Option-N instead. Disabled when using a firmware password.
Command-S: Start up in single-user mode. Disabled in macOS Mojave or later, or when using a firmware password.
T: Start up in target disk mode. Disabled when using a firmware password.
Command-V: Start up in verbose mode. Disabled when using a firmware password.
Eject (⏏) or F12 or mouse button or trackpad button: Eject removable media, such as an optical disc. Disabled when using a firmware password.
Stop Startup Apps Mac
The Login Items tab shows a list of apps that launch when you log into or start up this Mac. You can add apps to this list by dragging their icons to it, or by clicking the + icon and navigating to an app. Remove any apps by selecting them in the list and clicking the – icon. As I said above, administrators can change any settings on the Mac.
It’s a handy app for Mac maintenance and cleaning with plenty of useful tools, including reset and uninstallation. Download CleanMyMac X, an app for Mac maintenance. Open it and click on the Uninstaller. Select the app you need to reset from the list. Click on the small arrow next to the application icon; Click Applications Reset.
If a key combination doesn't work
Mac Os Startup App
If a key combination doesn't work at startup, one of these these solutions might help: Macos onscreen control.app.
Be sure to press and hold all keys in the combination together, not one at a time.
Shut down your Mac. Then press the power button to turn on your Mac. Then press and hold the keys as your Mac starts up.
Wait a few seconds before pressing the keys, to give your Mac more time to recognize the keyboard as it starts up. Some keyboards have a light that flashes briefly at startup, indicating that the keyboard is recognized and ready for use.
If you're using a wireless keyboard, plug it into your Mac, if possible. Or use your built-in keyboard or a wired keyboard. If you're using a keyboard made for a PC, such as a keyboard with a Windows logo, try a keyboard made for Mac.
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 more
How To Configure Startup Apps On Mac
Learn what to do if your Mac doesn't turn on.
Learn about Mac keyboard shortcuts that you can use after your Mac has started up.