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Windows 7: No audio via HDMI ("Not Plugged In" error)

04 Aug 2015   #1

Windows 7 Home Premium x64
No audio via HDMI ("Not Plugged In" error)

Just built my first PC and pretty proud of myself, other than the fact I can't get sound via HDMI.

Intel G3258
Gigabyte GA-B85M-DS3H rev 3.0 MOBO
Radeon HD5450 GPU
Upstar M240a1 monitor (built in speakers)
Windows 7 Home Premium x64 (all updates installed)

Video has always worked fine via HDMI -- but never audio. I've tried both an LCD TV and monitor, and I've used both the onboard HDMI port and a brand new GPU I just installed to see if it would correct the problem. No matter what I do, I see the "Not Plugged In" message under my HDMI Output (currently, "AMD HDMI Output"), so I can't select it as the default device. I've tried a million fixes, and have uninstalled/reinstalled countless drivers from Intel (onboard graphics, which includes audio), Realtek, and AMD. I'm about to rip my hair out on this one! Any help appreciated!!!

My System SpecsSystem Spec
05 Aug 2015   #2

Windows 10 64 bit

Have you tried a different HDMI cable?
My System SpecsSystem Spec

 No audio via HDMI ("Not Plugged In" error)

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