Where and how are system preferences stored?

macmesser

macrumors 6502a
Original poster
Aug 13, 2012
805
63
Long Island, NY USA
A recent app demo seems to have messed with my system preferences. Output options have changed and apparently a standard system component that was previously recognized no longer appears as a selectable option in the relevant preferences. Does system preferences use a hardware profile to determine what can be configured? If so, can it be regenerated?
 

KALLT

macrumors 601
Sep 23, 2008
4,920
3,000
Can you tell us what is missing?

Sytem Preferences stores settings in multiple ways and not everything can be restored easily. Some things are stored in [~]/Library/Preferences, others in configuration files or databases.
 
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macmesser

macrumors 6502a
Original poster
Aug 13, 2012
805
63
Long Island, NY USA
Thanks for reply. Sound preferences lost "internal speakers" output option. I thought some system file must have been uninstalled with the app. After restart the option appears again. Seems to be OK now.