Led backlight doesnt come on my 26 tv

[PPCH2087]

I have a VIZIO M261VP LED 26" tv I can see image with the flash light, but the LED backlights are not on. Do you see any white light through the back side of the panel

 

[PPCH2087]

I have a VIZIO M261VP LED 26" tv I can see image with the flash light, but the LED backlights are not on. Do you see any white light through the back side of the panel

No But some time if I turn it on and let it run for 3 to 4 hr. turn it off and turn right back on ever thing work for 3 to 4 hr. then it go black I always have sound.