Startup key combinations for Macs
From Bashlinux
Startup key combinations for Macs
Intel-based Macs
| Press C during startup |
| Press D during startup |
| Press Option-Command-P-R |
| Press Option during startup |
| Press N |
| Press Eject, F12, or hold the mouse (/trackpad) button |
| Press N during startup |
| Press T during startup |
| Press Shift during startup |
| Press Command-V during startup |
| Press Command-S during startup |
| Press Option-N during startup |
Apple Boot Key Combos
| Bypass startup drive and boot from external (or CD) |
| Boot from CD (Most late model Apples) |
| Force the internal hard drive to be the boot drive |
| Boot from a specific SCSI ID #.(#=SCSI ID number) |
| Zap PRAM |
| Boot into open Firmware |
| Clear NV RAM. Similar to reset-all in open Firmware |
| Disable Extensions |
| Rebuild Desktop |
| Close finder windows.(hold just before finder starts) |
| Boot with Virtual Memory off |
| Trigger extension manager at boot-up |
| Force Quadra av machines to use TV as a monitor |
| Boot from ROM (Mac Classic only) |
| Force PowerBooks to reset the screen |
| Force an AV monitor to be recognized as one |
| Eject Boot Floppy |
| Select volume to start from |
| Start in Firewire target drive mode |
| Startup in OSX if OS9 and OXS in boot partition |
| Attempt to boot from network server (Hold until Mac Logo appears) |
| Hold down until the 2nd chime, will boot into 9? |
| OSX: Watch the status of the system load |
| OSX: Enter single-user mode (shell-level mode) |
After startup
| Bring up dialogue for shutdown/sleep/restart |
| Eject a Floppy Disk |
| Force current app to quit |
| Unconditionally reboot |
| Fast Shutdown |
| Goto the debugger (if MacsBug is installed) |
| Reset Power Manager on PowerBooks |
| Put late model PowerBooks & Desktops to sleep |
Application Specific Keys
| SuperMac (at least some models)press&hold |
| Imagine 128 Card (reset resolution) |
| RasterOps (at least some models)press&hold |
| Radius (Use cable sense pins to set resolution) |
| Radius (Cycle through available resolutions) |
Conflict Catcher
| Pause Boot |
| Launch CC at Startup |
| Skip remaining extensions |
| Reboot cleanly while loading extensions |
RAM Doubler
| Disable at Startup |
Apple System Installer
| Change custom install to clean install |
Claris Emailer
| Bypass specified startup connections |
| Bring up rebuild options |
