My bluetooth keyboard won't stay connected. I have to hold the power button to type

wireless keyboard says connected then connection lost. All I did was replace the batteries when the old ones died. Now I have to hold the power button just to type. Seems like a hardware problem not preferences. Any clues?

Hello:
Try resetting the PRAM and SMC.
Then delete a preference file (com.apple.bluetooth.plist) and restart.
Barry

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