Hi, I'm having problems with viewing a channel on my tv. It's a HiSense tv. The remote control is HiSense EN2D27. It's tv3 (channel 10 on free view). It states no signal and no programmes available. Don't know what to do. I may have to re-tune the tv but don't know how to do that and if I play around with it, I'm worried that Ill lose all channels. Can anybody please advise?
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