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On MacBook, Bluetooth keeps becoming "Not Available" with a line through the icon on the top bar and "No information" on the system information.
I can do an SMC reset, but after correcting, availability disappears in about 5 minutes, even if Bluetooth is not used. PRAM reset had no effect. Only change was recent upgrade to 10.6 from 10.4
2010-08-18 17:21:00
Spotlight search for Disk Utility and run First Aid, a function that repairs file systems and file permissions.