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Bluetooth won't turn 'on'

4148 Views 3 Replies Latest reply: Nov 28, 2012 3:21 AM by magicsnaps RSS
Kimak Calculating status...
Currently Being Moderated
Dec 5, 2010 9:03 AM
I have a wireless mouse and keyboard, yesterday both worked fine then this morning the mouse works but the keyboard doesn't. I changed the batteries but when I try to connect to the keyboard I'm told that bluetooth is turned off even though the status on the menu bar says it's on. I can neither turn the Bluetooth on or off. Not sure what the problem is.
Mac Mini, Mac OS X (10.6.5)
  • Barry Hemphill Level 7 Level 7 (33,115 points)
    Currently Being Moderated
    Dec 6, 2010 3:45 AM (in response to Kimak)
    Hello k:

    Welcome to Apple discussions.

    Try a couple of things (in sequence).

    Trash a preference file and restart (

    Reset PRAM and SMC (instructions in knowledge base articles).

    Delete the keyboard (in system preferences>bluetooth) and then restart. The setup assistant should begin the pairing process.

    ´ú┐iMac 27" 3.2 GHz Intel i3/4 GB, DSL, Firewire HDs, Mac OS X (10.6.5)
  • Tim Jones13 Level 1 Level 1 (15 points)
    Currently Being Moderated
    Jan 17, 2011 4:07 PM (in response to Barry Hemphill)
    Hi Barry,

    I'm witnessing a similar loss of Bluetooth and I've tried all of the things that you (and many others) have mentioned. However, the next time I shut my Mac pro (5,1) down, the new settings are lost. The first reboot doesn't find the Magic Mouse, but Bluetooth is still there. A second reboot and Bluetooth is now missing totally. The only fix I've found is to reset the SMC at every boot. That's a bit much, isn't it?

    Just hoping that you might have a bit of insight that I've missed... Next stop Apple Support Call so I can repeat all of this to them 3 times.

    Mac Pro 5,1, Mac OS X (10.6.6), Magic Mouse ...
  • magicsnaps Calculating status...
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    Nov 28, 2012 3:21 AM (in response to Tim Jones13)

    For the benefit of anybody searching for a solution.  I lost Bluetooth completely from the system after waking the iMac from sleep.  Resetting NVRAM seems to have fixed the problem (I used the wired keyboard from one of the other macs in the studio). It was slightly surprising that the iMac opened the Disc Utilities window on start-up, but I just closed it & hit Restart. 


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