TV Started Loud Beep, Turned Off, Won't Turn On

TV Started Loud Beep, Turned Off, Won't Turn On

I have a 39" Vizio TV (model E390VL) and it began emitting a loud beep and then shut off. It could be turned back on and show a picture, but after 10-15 seconds it would then begin the beep sound and turn off. Now, it will no longer turn on and won't show any signs of power. No lights turn on at all.

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