Analog audio unavailable - only digital out

Hello, I'm having a problem where my audio isn't functioning. Only digital out. I didn't even know my macbook had digital out. When I look in the headphone jack there is a red lazer beam shooting out. I don't want lazers. I want an analogue signal. Thanks.

Hopefully one of these steps should solve the problem.
1. System Preference > Sound > Output > Internal Speakers
    Highlight  Internal Speakers / Headphones
    Make sure Mute is not enabled.
2. Reset PRAM.  http://support.apple.com/kb/PH4405
3. Reset SMC.     http://support.apple.com/kb/HT3964
    Choose the method for:
    "Resetting SMC on portables with a battery you should not remove on your own".
4. Applications > Utilities > Audio MIDI Setup
    Audio Devices window
    Side Bar
    Click the Built-in Output.
    Under Mute any of the boxes checked? If so uncheck it.
5. Option click the speaker icon in the Finder menu bar,  select Internal Speakers.
Best.

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