Microsoft KB Archive/142155

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How to Start Up from Macintosh System Software on CD-ROM
'Article ID: Q142155

Creation Date: 04-JAN-1996

Revision Date: 12-JAN-1996' The information in this article applies to:


 * Apple Macintosh System Software versions 7.0, 7.1, 7.5, and 7.5.2

SUMMARY

Many of the Macintosh computers that include a built-in CD-ROM drive are shipped with the system software on a CD-ROM. When you troubleshoot a software problem, you may need to start from the system software on the CD- ROM.

MORE INFORMATION

Macintosh System Software Versions 7.0 through 7.5.1

To start from the System Software CD-ROM, press the C key when you start the Macintosh. When you see a "happy" Macintosh, which indicates that the computer has found a good System Folder, you can release the C key.

This System Folder should be very similar to the Disk Tools disk included with non-CD-ROM computers (it should start with extensions off).

Macintosh System Software Version 7.5.2

To start from the System Software CD-ROM, press the C key when you start the Macintosh. When you see a "happy" Macintosh, which indicates that the computer has found a good System Folder, you can release the C key.

Note, however, with System Software version 7.5.2, virtual memory will be enabled. You can confirm this setting by clicking About This Macintosh on the Apple menu. To start the computer from the CD-ROM without enabling virtual memory, use the following steps:


 * 1) When you start the computer from the CD-ROM, press and hold down the C key until you see the happy Macintosh.
 * 2) As soon as you see the happy Macintosh, release the C key and press SHIFT until you see "Welcome to Macintosh. Extensions Off."

The Macintosh should be started from the System Folder on the CD-ROM; virtual memory should be off. Macintosh computers that come with System Software version 7.5.2 include most of the 6200 series and all of the 7200, 7500, 8500, 9500, and 5300 series.
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Additional reference words: 7.0 7.1 7.1.1 7.5 7.5.1 7.5.2 CD Mac MacOS

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