#MAC OS X TARGET DISK MODE INSTALL#

Hold down the C key to boot from a bootable CD/DVD, such as the OS X install disk that came with the Mac (prior OS 10.7 Lion).

Other Startup Key Combinations (Intel Mac Only)ДЇor any of the following key combinations listed below, these buttons must be pressed immediately after powering the machine on or after a reboot. The Mac starts up in target disk mode, and you'll see it mounted as a disk on the other Mac that it is connected to.

If the Mac is turned off or doesn't have a working display, turn it on and immediately and press and hold the T key while it starts up.

You'll need to click Restart and confirm that you really want to use it in this mode.

If the computer you want to use as a disk is already on, launch System Preferences > Startup Disk, and click Target Disk Mode.

To start up the Mac in target disk mode, do the following (depending on the circumstances): It requires two Macs connected by a cable, either through Thunderbolt 3 (USB-C), Thunderbolt 2 or FireWire ports. Used for quickly moving files between two Mac computers, target disk mode also provides a nice, clean way to browse files on a computer that doesn't have a working display. To start up in the built-in recovery mode, press and hold down the Command + R keys immediately after you turn on the Mac or immediately after it begins to restart until the Apple logo appears.ДЇor macOS Recovery over the internet, hold down the Option + Command + R or Shift + Option + Command + R at startup.

Use Terminal to control the computerвЂ™s systems via text commands.

Launch Network Utility to troubleshoot network problems.

Get help online by visiting Apple support pages.

Reinstall macOS, repair or format the startup disk.

Restore from a backup using Time Machine.

Part of the built-in recovery system of an Apple computer, macOS Recovery helps users to: To start your Mac in single-user mode, hold down the Command + S keys immediately after you turn on your Mac or the machine begins to restart. Single-user mode enables knowledgeable users to perform various tasks such as repairing the startup drive, mounting storage drives, reading and writing files, and ejecting stuck media in the optical drive. The system doesn't even mount the startup disk at this point. With this, what you get is a minimal Unix environment with no graphical user interface, with system daemons at a bare minimum and a Terminal-like basic console that is controlled via commands. Used primarily by advanced Mac users for maintenance purposes, single-user mode is not too user-friendly. To start your Mac in verbose mode, press and hold Command + V immediately after pressing the power button to boot, or immediately after restarting your Mac. Verbose mode displays everything that the machine is doing during system boot, and is especially helpful when troubleshooting bootup issues because it helps you identify errors related to this problem. If the machine is working fine then itвЂ™s not like you need that info, unless you are particularly keen to know what happens during the boot process. Starting up a Mac usually shows the Apple logo followed by the login window, so you don't exactly know what is happening behind the scenes.

To enter safe mode, while your Mac is starting up immediately press and hold the Shift key until you see the login window. Deletes font, kernel and other system cache files.

Prevents startup and login items from opening automatically.Verifies your startup disk and tries to repair directory issues if applicable.

Mac os x target disk mode