This chapter helps you solve some of the common problems you may
encounter when upgrading to System 7.5.
Problems during installation
This section helps you solve problems you might encounter during
installation.
Disk First Aid cannot repair your hard disk.
Problem: You started up the computer using the Disk Tools disk and used Disk
First Aid to test the hard disk, but Disk First Aid cannot repair the hard disk.
Cause: You need to reformat the hard disk.
Solution: First, back up your hard disk because reformatting erases everything
on the disk. Then, use HD SC Setup to reformat the disk. If you have a
Macintosh with an IDE drive (Quadra 630, Performa 630 series, LC 630, or
PowerBook 150), use Internal HD Format to reformat.
Not enough memory to use the Installer
Problem: When you try to use the Installer, you see a message that the
Installer is out of memory.
Cause: There’s not enough memory available to open the Installer. Usually
this means that your disk cache or RAM Disk is set too high.
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Tr oubleshooting
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