Mac OS compatibility

To find out what Symantec products for Macintosh can be installed on your computer, first find your Mac OS version.
For help, read the document How to find your product version on a Macintosh.

Read the document that applies to your version of Mac OS:

• Compatibility between Symantec software and Mac OS X 10.5 (code named Leopard)
• Symantec 2003-2004 product compatibility with Mac OS X 10.4 (code named Tiger)
• Symantec 2003-2004 product compatibility with Mac OS X 10.3 (code named Panther)
• Compatibility between Symantec software and Mac OS X
• Compatibility between Symantec software and Mac OS 8.0 - 9.2

For information about Norton Utilities versions 3.5 through 5.x, Symantec AntiVirus 6.x/5.x/4.0, read Compatibility between older versions of Symantec software and the Mac OS.

Problems restarting the computer from a Symantec product CD

If you have a new Macintosh computer and cannot restart the computer using the Norton Utilities 8.0 or Norton SystemWorks 3.0 CD, you may need an updated CD.
For more information, read Cannot boot from the Norton Utilities for Macintosh 8.0 or Norton SystemWorks Macintosh 3.0 CD on a new Macintosh.

Note that Norton AntiVirus and Norton Internet Security for Macintosh do not require that you start the computer from the CD to install the program or scan for viruses.
For details, read Cannot boot from the Norton AntiVirus or Norton Internet Security for Macintosh CD.

The following documents provide solutions to the most common problems:

• Error: Type 11 when attempting to boot from the Norton Utilities 7, Norton SystemWorks 2, Norton AntiVirus 8, or Norton Internet Security 2 CD
• Black screen at startup when booting from a Symantec Macintosh product CD on a G4 Dual Processor 867 MHz and iMac G4 17 inch flat panel Macintosh
• Cannot boot from the Norton Utilities or Norton SystemWorks CD on a Macintosh with Bluetooth keyboard and mouse
• Cannot boot from Symantec Macintosh product CD on a Macintosh released in 2003
• Cannot boot from Norton Utilities or Norton SystemWorks CD on PowerBook G3 (Wallstreet edition)
• Cannot boot from Symantec Macintosh product CD when external USB device is attached
• Error: "This startup disk will not work on this Macintosh model . . ." when starting up from the Norton Utilities, Norton SystemWorks, Norton AntiVirus, or Norton Internet Security CD
• Your current Norton Utilities 6, Norton AntiVirus 7, Norton SystemWorks, or Norton Internet Security CD does not boot your Macintosh computer.

Technical information

Symantec does not support restarting the computer with the Norton Utilities 8.0.x or Norton SystemWorks 3.0.x CD on the following PowerBook configurations:

• PowerBook with less than a G3 processor
• Original G3 PowerBook
• PowerBook that uses a third-party CD bay drive

If you use a PowerBook with a third-party CD drive, use the original CD drive that came with your PowerBook to boot from a Symantec product CD.

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