Losing bluetooth keyboard at startup / USB to blame - any fixes?

Hi. After 10 months of normal behavior my Apple bluetooth keyboard - but not apple bluetooth mouse, strangely - now always needs to be re-paired with my MacPro at startup. (Batteries all fine, and kept nice and close to the computer.) According to some old posts this seems to be a problem with a USB device (in my case a Wacom tablet) which is connected at startup. Indeed removing the device seems to solve the problem. But it doesn't solve mine, 'cause getting under the desk to unplug my tablet every time I shutdown and startup isn't ideal. Any ideas? Cheers.
Message was edited by: BenM71

Similar problem.
I lose Bluetooth Apple Keyboard and icon in the menubar after a COLD restart. This does not occur for warm restarts though or logout/login.
I have done all the usual 'fixes' (trashed Bluetooth preference files from both the Library > Preference folder and the ~/Library/Preferences/ByHost folder), ran Disk Utility, Repaired Permissions, etc., etc... but it still occurs.
What I have found that is at least a temporary 'fix' is to run Leopard Cache Cleaner in the 'medium' setting for deleting cache files with all of the boxes checked. I have just ran it on this last restart in the 'deep cleaning' setting with all boxes checked, and since it required me to re-discover my keyboard perhaps this time the setting will 'stick.'
It appears that this is a cache problem since Leopard Cache Cleaner has at least been able to temporarily fix the problem. And I am hoping that now after using the 'deep cleaning' it has resolved this problem once-and-for-all.
Apple... this really needs to get fixed.
You would think that when a person purchases the manufacturer's own Bluetooth keyboard that an update would not make it totally useless each time they restart.

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phasedone,
I was having the exact same issue with a new build (Mobo MSI Z68-GD65-G3). I had been banging my head against the wall for a while and then I came across your post. Subsequently, I disabled the USB controller in BIOS and my Win 7 install ran fine (minus the fact that I had no access to my USB keyboard and mouse). I set the BIOS back to default settings which re-enabled the USB controller, and thus was able to re-plug the mouse and keyboard in after the windows loading screen, where the 4 colored orbs come together to make the Windows flag. This seemed to do the trick.
Now the problem is, everytime the computer restarts (i.e. for any Windows updates), it freezes at the same point it would during the installation. This is again assuming the mouse and keyboard are still plugged into the rear panel USB ports. Which of course they're going to be!
Anyone with a recommendation as to how to fix this? Is this a hardware defect or can it be solved with some sort of driver or firmware update? I'm at a loss... but I certainly shouldn't have to unplug all USBs before starting the computer, that's just nuts.
I'm considering RMA as well, but would like to see if any MSI staff members or forum members might be able to share their insight.

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Hello Mitolo:
Welcome to Apple discussions.
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Kappy
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I have just purchased a brand new Mac Mini and App Wireless Keyboard. Unfortunately upon first boot, the Mac Mini is requesting I connect my bluetooth keyboard by switching it on, however even though the green light flashes, after the 5 second startup acknowledgement, there is no response from the Mac Mini.
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Hi Julian,
Sometime a Mac can't pickup the connection of a bluetooth keyboard or mouse is normal. Whatever your Mac is brand new or not.
I will do the following if the brand new Mac can't pickup the bluetooth connection, but make sure the bluetooth keyboard and mouse is not yet paired with other computer, that means you have to un-pair the keyboard and mouse from your MacBook before you perform the follow step:
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Losing bluetooth keyboard at startup / USB to blame - any fixes?

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