Solved Windows doesn't detect my speakers? Detects headsets/headphones

[CrockSmoke]

So, for some reason my speakers; Bose Companion 2 Series II speakers that I got a while ago aren't detecting on my computer. The speakers work, plays audio through my laptop and my phone, but not through my desktop. Tried to play it through the headphone jack on my monitor (which works) and it didn't play either.

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Windows 7 Ultimate 64-bit
MOBO: gigabyte ga-99fxa-ud3
CPU: AMD FX-8320-8 core processor ~3.5GHz
GPU: Asus HD7870 GHz Edition -HDMI-

Sound 1 - ASUS VS238 (monitor)
Sound 2 - Digital Audio (S/PDIF)
Sound 3 - Digital Audio (S/PDIF)
Sound 4 - Speakers ~ my headphones

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Can anyone help me with this? It's driving me nuts

 

[CrockSmoke]

RESOLVED: I reinstalled every driver I could find, and something did it. So if you're having this problem, do the same!