Bluetooth wireless keyboard keeps disconnecting

Hello,
My wireless keyboard {small aluminum, no numeric pad} keeps disconnecting after i changed the batteries yesterday - the keyboard is found and paired to my iMac, however whenever i press the Command key, it disconnects if i press the space bar it outputs a space followed by the letter 'n' {like so " n"} also i cannot use the delete key, very strange!
I have tried resetting the PRAM, disconnecting the keyboard and starting over, but still getting the same problems, any ideas on how i can fix this?
KR,
Aaron

Hello:
Try a couple of things:
1. Reset the SMC (you already have reset the PRAM).
2. Trash a preference file (com.apple.bluetooth.plist) and then restart.
3. Make the KB a favorite.
If none of that helps, try removing and then replacing the batteries.
If none of that works, I would suspect a failing KB.
Barry

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