Shortcut keys for mac startup

Recovery mode is your ticket to solving many macOS problems from a friendly environment. Here's a troubleshooting guide to help get your external hard drive or flash drive working again. Later you also may want to restore it. Here's how to do both. If you want to transfer files from one Mac hard drive to another, Target Disk mode makes it simple. By starting a Mac in Target Disk mode, you can connect it to another Mac and copy files to and from the drives. In essence, it turns your Mac into a hard drive enclosure.

Apple states you can use:. Here's everything you need to know about your MacBook ports. Single User mode boots your Mac into a minimal text-based environment with no GUI, and no drive volumes mounted on startup.

7 Mac Startup Options Every OS X User Should Know

This mode allows you to fix problems with a Mac that refuses to start. The clue here is in the name. Instead, Verbose mode is perfect for those instances when your Mac hangs on boot. You can see exactly what is interrupting the boot process, and hopefully take steps to remedy it.

20 Mac Startup Keys and Combinations [Must Know]

For example, many boot problems are related to third-party kernel extensions. Verbose mode may highlight the problem extension, allowing you to reboot in Safe mode, remove the offending item, then boot as normal and try again. Hold the 'n' key during startup to boot from a networked computer that has a NetBoot volume. This mode lets you use any Mac with a FireWire or Thunderbolt port as the source for your bootup system. Hold the 'd' key during startup. Hold the option key during startup.

The Mac OS startup manager will appear, allowing you to select a disk to boot from.

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. Hold the shift key during startup. This will boot your computer in Safe Mode. Safe Mode disables login items and non-essential kernel extensions from starting up. This will cause your Mac to use the Recovery HD partition, which will allow you to restore the Mac OS , or use various utilities to troubleshoot your Mac. Your Mac will boot from the Internet using Apple servers. A specialized version of the Mac OS will be run that includes a small suite of utilities, including Disk Utility, and the ability to download and install the Mac OS, or to restore from a Time Machine backup.

This shortcut will boot your Mac in Verbose Mode, with a descriptive text sent to the display during the startup process.

This shortcut will boot your Mac in Single-User Mode, a special mode used for troubleshooting and repairing complex hard drive issues. There are times when your Mac may misbehave and refuse to boot into OS X. You may get a sad Mac face, an audible beep, or another ailment keeping your Mac from properly booting. When this happens, you can troubleshoot your Mac by using boot options to run an Apple Hardware Test, or booting with extensions disabled.

Sometimes, launching your Mac this way can help save you a trip to the Apple Store. Instead, turn to this guide in which we explain all of the various boot options in OS X that may help return your Mac to normal. Booting from a CD?

• Mac startup key combinations;
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Hold the keys down until the computer restarts and you hear the startup sound for the second time. Release the keys after you hear the second startup chime. The PRAM will be reset.

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Holding down the Option key during startup will show you a boot screen with all bootable devices listed. You can use the mouse or the keyboard to select a device to boot into.

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Sometimes discs can get stuck in your optical drive.