iMac keyboard stops working Possible Duplicate:
  Wireless Keyboard disconnects  




The wireless Apple keyboard that came with my iMac has a tendency to suddenly disconnect from my iMac without no sensible reason (its not the battery). The only solution I have found this far is restarting the iMac, which automatically reconnects the keyboard. I have tried reconnecting the keyboard through the bluetooth configuration, which gives no ohther result than making the toolbar freeze.

Any solutions?
Do you have another Mac you can connect the keyboard to? If you can isolate whether or not this issue occurs only with your iMac or only with your iMacs keyboard, you can figure out where things are going wrong. Let us know if you're able to test the keyboard on another Mac or test the Mac with a different keyboard. 

If you don't have access to either of those things, I'd recommend taking a trip to your local Apple Store and having them test it out. They'll have extra Macs and keyboard and a Bluetooth diagnostic to run as well.