Lost Bluetooth after firmware update 2.0.1

After updating my 15" MacBook Pro with a Broadcom chipset I have lost the Bluetooth hardware. If I go to System Profile it says "No information available". If I try and do a Bludtooth set up in system Profile.... Network it says the system has no Bluetooth hardware. Any thoughts?

Have you tried a simple restart? My bluetooth has been known to wander off at times (not on the Air but on my PB G4). You can try resetting the SMC: http://support.apple.com/kb/HT1411. This has helped me in the past.

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