Mac OS X 10.1: Some Preferences Lost After Using 10.1 Upgrade CD

Symptom

The following preferences are lost after updating to Mac OS X 10.1:

• Date & Time control panel settings
• ColorSync
• Monitor Color Calibration
• Classic
• Desktop Picture
• Keyboard Menu
• ScreenSaver

Solution

Set the preferences again.

This happens when updating to Mac OS X version 10.1 from versions 10.0 to 10.0.4 with CD-ROM part number 1Z691-3184-A.