My computer is no longer producing audio. What do I do?

[GRAYNEPTUNETEARS]

I recently just moved this computer into a new house. Today, I found it hasn't been producing any audio, whether it's the system itself or videos, etc. The night before, I knew the ding from the system could be heard, because I was deleting some files I thought were trash. But I think I deleted a file that is used to produce the computer's audio. The reason I believe this is because when I go to shortcuts, there's something called "DTS Audio Control". When I click on it, it says the shortcut has been removed or changed, which leads me to believe I deleted the file. I tried to go in the recycle

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