Keyboard no longer working

I'm on a late 2009 27" iMac running Snow Leopard. My keyboard has been having issues for a about 6 months in that it will all of the sudden stop working and then I have to do a restart to get it working again.  The otherday several restarts did nothing. No letters will work and when I tried to hit a number on the top part of the keyboard (it's a USB one with the number pad). I would get a constant repeating number. I dug out an old one and have been using that in the meantime. Just plugged it in again and am trying a repair permissions. Today if I hit any key I just get a run on number an that's it and it keeps chirping.
Has it bit the dust or is there anything I can try to repair it?

I had the same problem and found the solution on another discussion board.  You just go to the dock and click on Finder, then click back in the Citrix window and the keyboard works again.  At least for me.
MacBook Pro 2011

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    null

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