Registers as HDMI sound output?

Hi, I am using a Macbook Pro 13 in Retina. I have been using an HDMI cord to plug sound in, but after disconnecting the HDMI cord... my Mac still is registering the HDMI cord as the primary sound output?
There is no sound even when I plug the HDMI cord now. I have restarted the computer multiple times. Help!

Try starting in Safe Mode and resetting the SMC and PRAM
OS X: What is Safe Boot, Safe Mode?
Intel-based Macs: Resetting the System Management Controller (SMC)
About NVRAM and PRAM
This is the Mac Pro desktop forum. I requested your post be moved to the MacBook Pro laptop forum.

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