A wild guess here, change aspect ratio from auto to anything else and see, hope this helps.
SOURCE: No Power to TV
There is no reset button on these new sets,your set has complete power problem since you have no lights no clicks,this might have happen because of lightning or power surge,either one creates a lot of damage,if you are familiar with tv service you can check the main fuse,he should be close to where the power cord comes in,if you find the fuse blown it needs to be replaced with an exact replacement for AMPS rating and VOLTS rating as well as size,if the fuse is blown black we might have more problems ahead in the circuit and it will blow up again as sonn as you plug the tv back in,if it blows again it will need a more involved repair,the problem could be in the primary side of the power supply,if you are not too familiar you should seek the help of a servicer a least for an estimate but if you suspect power surge or lighting damage dont invest any more on this set and get a new one.
SOURCE: hannspree 32" lc
The only workarounds I have seen, are pull out pin number eight out on your scart lead, this will stop it auto switching, or alot of these wireless video senders block the auto switching features when connected up through the via the scarts.
SOURCE: I pressed the Chanel button
Recheck all connections and try to get the TV on channel 3 or 4 especially if you have a cable or satellite box.
SOURCE: the sound is not working on my hisense tv
did you check in the screen sound set up menu if the speaker is set to off. if the settings is good, tried to hooked up a powered pc speaker at the audio out jack of the tv. if you can get sound there then the problem it could be the amplifier circuit. if you can not get sound the the cause will be the sound processor at the main board.
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