Mac Desktops forum

Question

iMac keeps searchong for bluetooth keyboard?

by dklosen / November 29, 2012 11:46 PM PST

Hello...I have a 27" iMac bought in 2011. I am using an apple usb keyboard. Sometimes when I start or restart, a dialog pops up that says something about no keyboard attached and the computer is searching for a bluetooth keyboard. The usb keyboard is definitely attached but does not work unless I pull the usb out and plug it back in. This hasn't happened since apple replaced the motherboard 3 or 4 weeks ago. Prior to that, my motherboard had issues that required apple to replace it. My motherboard issues were causing the computer to not display properly, but during that time, I started getting this same bluetooth keyboard search issue. Is it possible that my motherboard is again crapping out after 3 weeks? If not, any suggestions on what to check regarding this? Should I trash any bluetooth prefs, etc?

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All Answers

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Answer
Yes, of course it is possible that the logic board is going
by mrmacfixit Forum moderator / November 30, 2012 8:34 AM PST

the same way as the last one but the first thing I would try is to turn OFF Bluetooth.

That way, the system will not bother searching for one.

I would also consider replacing the keyboard with another USB one to see if you have the same, "Doesn't work until I unplug it", problem

If neither of those two things work, then it's back to Apple to get them to take a look at it


P

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iMac overriding plug in keyboard with blue tooth
by effect63 / June 29, 2014 10:30 AM PDT

I'm having the same problem, plug in keyboard is totally dead and blue tooth search begins, have to restart the mac sometimes up to 3 times to get it to recognise there is a key board already plugged in. I have tried to turn the blue tooth off and it just resets itself to on again after the computer reboots.

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(NT) try a clean install of OS X
by mrmacfixit Forum moderator / June 29, 2014 10:40 AM PDT
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iMac keeps searching for a bluetooth keyboard

I just turned mine off, unplugged the power cord and held the power button in for 10 seconds. Then I plugged it back in and turned it on. Wired keyboard is working now and it's not searching for the mysterious bluetooth keyboard.

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