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Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis. http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement.
Hi there, sorry to hear you are having problems. Please only try one thing at a time and make some notes as we do this. Put things back as they were and make sure the sound works ok. This is because the sound is normally controlled by the motherboard on an additional sounds card and not by Hauppage TV cards. Please look at the back of the PC and let me know how many sets of jack sockets for the sound there are and where these are located.
Take the card out of the computer and reinstall it, perhaps to another pci slot. Reboot the computer and when it finds the hardware let windows load the drivers for it. If you are connected to the internet during this time, windows will ask to search the web for the best driver...let it.
1. Did the sound ever work?
2. If so, then the short cable that is connected from the TV card to your computer sound card came loose.
3. If it has never worked, then you need an audio cable to connect the TV Audio OUT to your Sound card audio IN.
4. If it has worked and the cables are ok, then the "Audio IN" mute box is checked. Double-click the "speaker" icon on the lower-right of your desktop. UNcheck any of the audio mute boxes.
It should work now. If you need clarification, please reply.
Hope this helps!
Is the driver installed properly try that if that is already done perhaps there is a special program it requires rare but not unheard of if you have a disc with the card see if it has a audio program with it.
We also have a 32" LCD Dell flat screen tv #W3201C that has no sound. It's about 2/12 yrs old. One speaker started having a problem and we disconnected it. That was a couple weeks ago, now there is no sound at all. Dell should not be let off the hook so easily. Obviously there is a problem with the tv and it should be Dell's responsibility to make it right. Does anyone know if a class action suit has been initiated?