No speakers or headphones plugged in windows 10

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Please Help me I'm frustrated, I don't know what is the problem is it the hardware or software. I reinstall win 7 and erased all data and when it finished woah I was amazed! my audio problem still I have my Sony VGN-FW12M that I put windows 7 os 64bit on it, sound work fine for almost 1 year, one day my sound just stop and not detecting my internal speaker even earphones, I tried many kinds of audio drivers but still no luck, I run troubleshoot butĬannot detect the problem, I perform many troubleshooting tips that I searched online, and still my luck hates me.