Common shortcut Startup key combinations on Intel's Mac computers

Source: Internet
Author: User
Tags safe mode

Mac EFI (which is often said on the PC BIOS) does not have a graphical interface management, generally through the startup of the combination key or hotkey to implement the modification function. In general, there is no need to modify it because it is the optimal setting.

You can use the following startup key combinations on intel-based MAC computers

Hold down the C key at startup-Boot from a bootable CD or DVD disc, such as a randomly shipped MAC OS X installation disc.

Hold down the D key at startup--if you insert install DVD 1, start with Apple hardware Test (AHT).

Hold down the OPTION-COMMAND-P-R key until you hear two beeps-reset NVRAM

Option key at startup-start into startup Manager, you can choose to boot from a Mac OS X volume. Note: Hold down the N key to display the first bootable network volume.

Hold down the Eject, F12 key, or hold down the mouse button (/trackpad)--eject all removable media, such as a disc.

Hold down the N key at startup-try to start from a compatible network server (NetBoot).

Hold down the T key on startup-start as FireWire target disk mode.

Hold down the Shift key at startup-start in Safe mode and temporarily close the login entry.

Press and hold the COMMAND-V key on startup-start as Verbose mode.

Press and hold the Command-s key on startup-start as Single-user mode.

Press and hold the Option-n key at startup-starts from the NetBoot server using the default boot mirror.

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