My 55 inch RCA flat screen shows no picture or volume

[Lyrique-shauna]

My TV power light turns on but the TV won't come on no sound no picture what can be the problem?

 

[barto]

Bad board inside. It's common for the capacitors in LCDs to pop. Try Googling the "Issues with <Make and Model> TV" or "<Make and Model> TV doesn't turn on".