Wednesday, April 25, 2012

Startup key combinations for Intel-based Macs


Startup key combinations for Intel-based Macs


You can use the following startup key combinations with Intel-based Macs.
Press C during startupStart up from a bootable CD or DVD, such as the Mac OS X Install disc that came with the computer.
Press D during startupStart up in Apple Hardware Test (AHT).
Press Option-Command-P-R until you hear startup sound a second time.Reset NVRAM
Press Option during startupStart up in Startup Manager, where you can select a Mac 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 buttonEjects any removable media, such as an optical disc.
Press N during startupAttempt to start up from a compatible network server (NetBoot).
Press T during startupStart up in Target Disk Mode.
Press Shift during startupStart up in Safe Boot mode and temporarily disable login items.
Press Command-V during startupStart up in Verbose mode.
Press Command-S during startupStart up in Single-User mode.
Press Option-N during startupStart from a NetBoot server using the default boot image.
Press Command-R during startup
Start from Lion Recovery1
from Apple.com

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