MAC OS X BOOT UP KEYS since i always forget when they’re needed… here’s some of the os x boot keys that do stuff Command-S Boot into Single User Mode ?Command-V Boot using “Verbose” mode (shows all kernel and startup console messages) ?X Reset startup disk selection and boot into Mac OS X Server ?Shift Boot into “Safe Boot” mode, which runs Disk First Aid. A reboot will be required afterward. ?Option Boot into Open Firmware to select a boot device ?Command-Option-Shift-Delete Bypass internal harddrive on boot ?T Boot into Firewire target disk mode ?C Boot from the internal optical drive ?N Start from the Network (NetBoot) ?Command-Option-P-R Reset Parameter RAM (PRAM) and non-volatile RAM (NVRAM) ?(mouse button) Eject (internal) removable media ALSO: if you use open firmware password… you’ll need this:?Startup Manager -accessed by pressing the Option key during startup?Enter commands after starting up in Open Firmware -press Command-Option-O-F key combination during startup. http://docs.info.apple.com/article.html?artnum=106482 How to troubleshoot a computer with Open Firmware Password enabled?If you cannot access the Open Firmware Password application and need to troubleshoot your computer by: Resetting the PRAM?Starting up in Single-user mode?Starting up in Verbose mode?Starting from CD-ROM Then follow these steps: Start up into Open Firmware by pressing and holding the Command-Option-O-F key combination during startup.?At the Open Firmware prompt, type: reset-nvram?Press Return.?When prompted for your password, enter it and press the Return key. It responds OK.?At the Open Firmware prompt, type: reset-all?Press Return. The computer restarts and you are now be able to reset the PRAM and startup in Single-user mode, Verbose mode, or from CD-ROM.
Startup ?Keystroke Description ?Press X during startup Force Mac OS X startup ?Press Option-Command-Shift-Delete?during startup Bypass primary startup volume and seek a different startup volume (such as a CD or external disk) ?Press C during startup Start up from a CD that has a system folder ?Press N during startup Attempt to start up from a compatible network server (NetBoot) ?Press R during startup Force PowerBook screen reset ?Press T during startup Start up in FireWire Target Disk mode ?Press Shift during startup start up in Safe Boot mode and temporarily disable login items and non-essential kernel extension files (Mac OS X 10.2 and later) ?Press Command-V during startup Start up in Verbose mode. ?Press Command-S during startup Start up in Single-User mode (command line)
