Macbook air's fan not turning off and it will not sleep when the lid is closed?

I downloaded OS X Mavericks yesterday.The fan will not turn off. It runs whenever i turn on the computer. The computer does  not turn off when i close the lid, and the fan still runs. There is also no battery icon anymore on my home screen. Is this just a bug with Mavericks? My computer is a mid 2012 edition.

Resetting the System Management Controller

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