Press and hold Option as your Mac boots to enter the , which lets you select which disk to boot from. If you have a Mac that plays a startup chime, you can release the keys after you heard it a second time. Release it when you see the Desktop or Dock. The startup manager will search all of the volumes connected to your Mac and display those that have a bootable operating system available on them. You could probably break your computer very quickly in Single User mode. Here you can pick which drive you want to boot from.
This mode lets you use any Mac with a or port as the source for your bootup system. Start up from Apple Hardware Test or Apple Diagnostics: D If there are issues with your Mac that you think may be related to the hardware, you can run the Apple Hardware Test. Press Command-V during startup Startup in Verbose mode. To leave single-user mode and continue booting, type exit and press Return. Option then N Similar to the item above, except you get given the choice of booting from a network disk.
Startup Manager: option alt The Startup Manager lets you choose a different startup disk during boot. Large networked environments sometimes use NetBoot to ensure that every Mac is using a consistent, approved version of the operating system. Check out this article for. Anything other than Passed is a problem. Close Mac windows quickly Command-W, Option-Command-W: The first of these will close whatever active window you are using, while the second one will close all the windows in the currently active app or Finder, which is also an app, really. This is a small amount of memory that your Mac uses to store settings that it wants to access quickly.
Option-N Start up from a NetBoot server using the default boot image. But if the keyboard is bad you won't be able to but give it a try anyway. This will bring up the Force Quit dialog, which you can then use to kill that unresponsive app. Are there any batteries you can remove to bring all the firmware back to zero? I suspect this might be the problem or at least a possibility. Command + S: Start in single user, command-line-only mode.
Quickly switch between Mac applications The application switcher is just a keystroke away. Your disc will be ejected in a flash after doing this. If you're having problems with your Mac and are using the startup keyboard shortcuts to assist in troubleshooting, it's strongly recommended to use a wired keyboard to that may prevent the Mac from recognizing the use of keyboard shortcuts. You may get a sad Mac face, an audible beep, or another ailment keeping your Mac from properly booting. Thanks if anyone can help! If you're using a Windows keyboard, learning about can be helpful in figuring out the proper keys to use. This is useful for running diagnostic Terminal commands or fsck. It can be any random issue from iCloud not allowing you to sign in, to certain apps just not opening.
When I try and hold either alt or C nothing happens, it just attempts to boot as per usual with no visible change in the boot. Wire the computer to your internet router, Ethernet Cable going from computer to router. Hey The boot process on a Mac is a magical process, all you see is a grey screen with the magic happening in the background. Or you can use startup shortcuts to select a boot device other than the default startup drive you usually use. You can usually connect to another Mac through Firewire and do lots of funky things.
See top Mac keyboard shortcuts in action The Cult of Mac how-to videos below will walk you through these shortcuts if you prefer to watch rather than read. For more information about using Lion's Recovery Mode features,. Advanced Commands D: Start up in diagnostic mode, launching. Press Option-N during startup Start from a NetBoot Server using default boot image. To find something in the Finder, Safari or Chrome, or in a Pages or Word document, simply hit the Command-F key combination and a little window will show up where you can type in your search terms.
I am very sure that this is the problem, but it remains to solve it. But once in a while, you might want something different to happen when you start your Mac. Command-Shift-4 will turn your mouse cursor into a set of crosshairs not unlike a sniper rifle sight that you can then click and drag around any portion of your screen to capture only the relevant area. Keep hitting this shortcut to open multiple tabs or continue opening tabs in reverse chronological order in Chrome. To do this, install and launch it.