By Lai Tran / Tips & Tricks / 0 Comments

Startup key combinations for Mac Intel-based

Startup key combinations for Intel-based Macs

You can use the following startup key combinations with Intel-based Macs.



Press C during startup

Start up from a bootable CD, DVD, or USB thumb drive (such as OS X install media).

Press D during startup

Start up in Apple Hardware Test (AHT).

Press Option-Command-P-R until you hear startup sound a second time.


Press Option during startup

Start up in Startup Manager, where you can select an OS X volume to start from. Note: Press N to make the the first bootable Network volume appear as well.

Press Eject, F12, or hold the mouse or trackpad button

Ejects any removable media, such as an optical disc.

Press N during startup

Attempt to start up from a compatible network server (NetBoot).

Press T during startup

Start up in Target Disk Mode.

Press Shift during startup

Start up in Safe Boot mode and temporarily disable login items.

Press Command-V during startup

Start up in Verbose mode.

Press Command-S during startup

Start up in Single-User mode.

Press Option-N during startup

Start from a NetBoot server using the default boot image.

Press Command-R during startup

Start from Lion Recovery1

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