Greyed out audio and no battery detected

I have had a problem with my mabook pro since the last set of updates, I can't remeber which ones, however I now have greyed out audio and no battery dected.
I am pretty sure its a firmware problem, however any firmware I attempt to install I Recieve the follow error "This software is not compatable with your system" - I am at a total loss.  All I need to do is force a firmware install on this thing and then I will be happy?
Any suggestions???

I would first try resetting the SMC  http://support.apple.com/kb/ht3964
If no change and you are convinced it is Firmare I would advise taking it in for Genius support over the counter.
Genius reservation http://www.apple.com/retail/geniusbar/
check warranty https://selfsolve.apple.com/agreementWarrantyDynamic.do

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