How to Fix a TV That Won't Turn On: Modern flat screen TV's have a known problem with capacitors going bad. Dear All, Have a peculiar problem with my LG flat screen TV. I tried plugging and unplugging them, doing a factory reset, playing with the picture settings, etc., but to no avail. Picture & sound are normal. If the second port still shows a blue screen, then go to #3.) I have tried to disconnect the power supply from the main board and I have nothing when I … (Note: If you only have one device connected to your TV, such as a cable or satellite receiver, try connecting it to a different HDMI port. I have a Hisense 46" LED model F46K20E. Does anyone know how much this is roughly cost to fix ? 3. my tv did the same thing. 1. The logo screen comes up for a split second than the screen goes black. I was trying to set up some Sharp 55" TV's (LC-55LB481U) for my boss yesterday and today but they all seem to have this unusually blue tint or hue to their screens. It stopped working suddenly, that is no picture when switched on, I noticed the main ON/OFF red light blinking. --- Tv:- Acoustic Solutions 19inch. With just one bad LED, the TV will shut down thus no picture can be seen. If your television suffers from a distorted picture, weird colors, or the dreaded "soap opera effect," these simple fixes can help improve your picture. Easy Fixes for Common TV Problems. The blue light indicating the TV is on comes on and stays on but no picture. This kind of problem usually caused by one of the bad backlight LED in the LED bar. It will likely be in the center, of left side of your TV. One, whenever I turn the TV off via the supplied remote, it turns off, but when I go to turn the TV on at a future time, via either the remote or the power button itself on the TV, the front indicator light turns from red to blue, but no picture ever appears, just remains black. so im pissed and will never recommend this brand to anyone. When turning tv on it starts 4 a second with picture then go,s black but wiv sound can any1 help 2 solve this problem My LG 42"smart TV having problem four vertical back light glows on screen. A customer of mine sent to me this BG LED TV with the complaint of have sound but no picture. To determine if this is a display issue, or a power issue, check the power light on your TV. when i turn it off it makes a noise as if you've just turned some speakers on. 3 hi. Connect the disconnected devices one by one to the TV. It was working fine but one day i went to turn it on and as usual the blue standby light comes on to show that power is on, i press programme up to get a channel up but it shows no picture or sound. If the second HDMI port also shows a blue screen — and you can’t find a signal or picture or any other port — go to #3. If the light is coming on- so is the TV. purchased a Hisense 46 inch TV less then 90 days ago from walmart model F46K20E There is power to the TV red light is on but no picture or sound no blue light please advise Charles Brecker Cherry Hill … --- Whats wrong with it ? Turn on the TV, then make sure that the indicator does not blink (which means the TV has no issues). i had it looked at by a repair shop and they could not find the problem. Check to make sure your TV is powering on. but out of the blue it started to work FOR ONE HOLE DAY now it blinks 3 times but the picture wont come on and it wont let me shut it down i end up having to unplug it from the wall. >Sometimes, when you're not getting a picture, it's because the TV isn't powering on. There is no picture … My TV has no picture, no power, or the LED light blinks/flashes red. 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