I have a Proscan 39" LED PLDED3992A. I hooked up my Acer laptop via a HDMI cable. I get a picture but no sound. I have tried all 3 inputs. The DVD and Roku work fine. I have swapped cables but no luck. I have hooked up the laptop to other TVs with no problem.
Some televisions require a seperate audio feed from the HDMI cable to hook up audio. if you have the cables for this i would try that first. normally ends up having to go thru an AV connection
SOURCE: hdmi input not working
Sounds like a failure on the main or av pwb in the TV. Do you have another component such as sat. rec or cable box to try with hdmi?
SOURCE: TELEVISION - PS3 AND XBOX HDMI COMPATIBILITY
You have to use the scart connector for on screen menu settings. Go to the video option and enable HDMI and/or match resolution output to your set.
You did not mention the model of the TV so here is another scenario,
Just because the TV is 1 year old doesn't mean that it is a 1080p capable, you could have set the HDMI resolution settings to 1080p and you will not get any picture if your set cannot process the information.
SOURCE: sharp aquos no sound through hdmi
Reset all audio factory setting.Tries unplug,replug it well work,if ur backlight video board it still good.
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