TOPIC
How can I bypass the internal hard disk at startup? I know the Macintosh will boot from a floppy disk if I insert one. But what if I want to boot from an external hard disk or CD-ROM?
DISCUSSION To start your computer from an alternate startup device outside of the one selected in the Startup Disk control panel, you may hold down a combination of keys during the startup process. This will bypass the selected device in the control panel and go to the next bootable device, be it a hard drive, CD-ROM, or floppy if the computer is so equipped. Note : Any Macintosh computer (Macintosh IIci or newer) equipped with an Apple compatible CD-ROM drive can boot from the Install Me First CD-ROM or Mac OS disc by holding down the letter C key during startup. For detailed instructions reference Tech Info Library article 18059: " Macintosh: Starting From Floppy or CD-ROM Disc ". When You Need to Bypass the Hard Disk You might want to bypass the hard disk when booting from a CD-ROM to install new system software or application software. Also when troubleshooting, or using a different system software version you may not want a hard drive volume visible on the desktop. How To Do It During the start up process, hold down the following four keys, Command-Shift-Option-Delete, until the Welcome To Macintosh screen appears signifying the computer is booting from the alternate source. The system starts up from the floppy disk or the next bootable device. |
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| Document Information | |
| Product Area: | Mac OS System Software |
| Category: | General OS |
| Sub Category: | General Topics |
| Keywords: | hts |
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