toshiba 42hl800a not tuning

[Sue_29]

My toshiba 42hl800a all of a sudden can not receive any signal. I've tried re-setting the TV and retuning ATV and DTV and it tells me to 're-ture through the menu'. Can anyone help?

 

[americanaudiophile]

If by re-tuning you mean you ran a channel scan and got no channels then the problem may be the antenna or the TV tuner.
If the antenna is powered make sure that it is plugged in and the power supply is OK.
Try the antenna on another TV if you can.
It is possible that the TV tuner has a problem.