I have tried everyting I can think of, but no luck. I had my Samsung LN52A750 hooked up to the Nvidia Geoforce 210 HDMI port. It had good video and sound. I unplugged in order to mount the TV on the wall, and now I cannot get sound. Any ideas?
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Unplugging the TV may have set everything back to default settings on the TV. Have you gone thru the menus to set the sound to the HDMI port you're using? Also, check Control Panel/Sound on the PC to be sure it is outputting to the proper device.