Thank you for your questions about the System 7.5 disk images on version 2.0 of the Power Macintosh CD-ROM. A minor problem was identified with one of the "Disk 3" images on the Power Macintosh CD-ROM. This disk image should be fixed in the next release of this CD-ROM.
Fortunately, there is another Disk 3 image on that CD, which you can use to make a working "Install Disk 3".
Step 1
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Insert the Power Macintosh CD, and open the "Disk Images" folder.
Step 2
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Open the "System Software" folder. Scroll the window to the bottom.
Step 3
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Two new folders appear, called "Disk Set 1", and "Disk Set 2". The corrupt "Install Disk 3.image" file is in the Disk Set 2 folder.
Step 4
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Open the "Disk Set 1" folder.
Step 5
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Make a new floppy disk from the "Install Disk 3.image" file in this folder.
As an alternative, you can also run the system software installation directly from the CD-ROM. This installation can be found in the "System Software Install" folder.
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