Won't turn on with constant red light. If you're TV is powering itself on Click Here for a more helpful article. The key is the red standby light, a little red light at the edge of the TV that you aim the remote at. I Can't turn it on, can't fast boot or boot into recovery. Unplugged it from the surge protector and plugged it straight into an outlet as it's recommend and no change. The fist step is to find the LED that is no longer working. when i turn on mouse the led dosn't green or light and when i press and hold the power/connect button for 3 to 5 seconds the light on bottom of mouse dosn't blinks. Lately I aquired myself a new original magsafe charger 2(85 watt) but sadly this did not help. Troubleshooting a TV that won't turn on can be tricky. With the lights plugged in, use the voltage detector to check the live voltage wire between each light, starting at the end that plugs into the wall outlet. As you press the button, look at the power indicator light. Good question. Great! Sorry this didn't help. If your device won't power on or powers on by itself, try the following steps: Press the power button on the device. I have done the things the posts have said to do as a trouble shoot. The LED light won't turn on when plugged in and phone won't turn on. The macbook won’t turn on and the indication light on the charger stays off. Still won't turn on and the standby light continues to … I hooked up another switch to it and that switch wouldn't turn on either. Thanks for your … We have had a LED light in the family room for several months now. The non working LED will obviously be in the string half that is not working. The battery wasn’t its best anymore, I did have a battery service message and sometimes the macbook would go off around 35%. Before you ask about water damage, there is none. I have the same problem with my 4 month old 5559. so yesterday i installed a 5O" LED light bar on my jeep and it worked and was bright , and on the switch that it came with the red light on the switch would always be on even when the car is off and this morning the lights won't come up on the switch and the light bar won't turn on. We turn on the LED light and after a while it turns off and then goes back on and then a little while later off and on again. Solved: I have this tv and it will not turn on. Was this reply helpful? Yes No. In some situations, it may actually be on, but just showing you a black screen. Thread starter garvani; Start date Jul 30, 2018; ... AM #1 I was using my phone fine, I grabbed the phone 5 minutes after last using it to find it unresponsive with a red led light. In the past week it has started to act funny. The description in the reference guide says "Indicates the power and battery‑charge status.Press Fn+H to toggle this light between hard‑drive activity light and battery‑status light. It was really hot so I thought it may have overheated but no. The phone was in the tent in a suitcase the entire time.. when plugged in if you toggle the volume buttons while holding the power button the green LED light will come on but phone will still not power on.. My tv (un55ku6300f) suddenly went out while watching TV and the standby light started flashing and it won't turn on. View our LED Troubleshooting guides for common LED installation mistakes, wiring instructions, soldering guides, DMX Control troubleshooting, RGB Control troubleshooting, or single color LED Lighting issues. This article is intended to help TV's that will not turn on, or are turning themselves off. 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