10 Must-Know Startup Commands for Older Macs

Jan 12, 2007 - 3 Comments

Finder logo A variety of keyboard shortcuts and commands can be used during a Mac system startup to access various features, systems administration utilities, and troubleshooting tricks. Some of these startup keys may be slightly different on PPC and Intel Macs, but many of the features remain the same, whether it’s accessing safe-boot mode, hardware tests, single-user mode, boot from a DVD, or more. Check the list below for ten absolute essential startup commands that every Mac user should know.

Action/Explanation Keystroke
Eject CD on boot Hold Mouse button down immediately after powering on
OS X Safe boot Press Shift during startup
Start up in FireWire Target Disk mode Press T during startup
Startup from a CD Press C during startup
Bypass primary startup volume and seek a different startup volume (CD, etc.) Press Cmd-Opt-Shift-Delete during startup
Choose Startup disk before booting Press Option during startup
Start up in Verbose mode Press Cmd-V during startup
Start up in Single-User mode (command line) Press Cmd-S during startup
Force screen reset Press R during startup
Force OS X startup Press X during startup

These come directly from Apple.

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Posted by: Paul Horowitz in Mac OS X, Tips & Tricks

3 Comments

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  1. Brajeshwar says:

    Thanks for the reminder.

  2. jbradley says:

    Thanks for the key commands! I recently switched to a mac and I appreciate any tips that assist in a smoother transition. By the way, I have no intentions of going back to my pc, I should have switched years ago! Keep up the great work here!

  3. Imran says:

    Thanks for sharing these command i was looking for this list from last two hours.

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