Make sure all of your remotes are accounted for. Sometimes a simple mislaid remote that ends up with a power button held down can cause this issue. Look carefully around the back, bottom, and sides of your LG television, and remove any and all USB devices from the ports.
Power management devices, such as power strips, surge protectors, and power conditioners, wear out over time. This is by design; they take surges so your expensive home theater, video game, and sound system equipment does not.
As power management devices near or exceed their end-of-life usefulness, they can start to have problems providing the right voltages or enough amps to your home theater equipment, such as your Television.
The easiest way to test this is to simply plug your device into the wall, rather than into your power management device. If your device works when plugged into the wall, you will know your power management device has failed and it is time to replace it.
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TV screen constantly goes to black for a few seconds. Message 1 of 7. It only happens on one of our TV's, but it's getting pretty annoying. It happens on all different channels and at all different times.
It only goes to black for a few seconds and then comes right back on. Only the picture goes black. The audio never goes out. I've checked all the cables and everything is secure.
Could it be the box? Any ideas would be appreciated. Have same question. Accepted Solutions. Bronze Contributor II. Posts: Re: TV screen constantly goes to black for a few seconds. Message 2 of 7. Helped me too. Message 3 of 7. Thank you. Posts: 1. Message 4 of 7. Message 5 of 7. Posts: 2. Message 6 of 7.
What if you are using a TiVo box with cable card? How do I troubleshoot? Posts: 10, Message 7 of 7. How-To Videos. The following videos were produced by users like you! Have a spare Fios-G? Learn how to bridge it into your network. If your TV picture is breaking up, cutting in and out, or pixelating looks like everything is a bunch of squares , then you probably are experiencing a weak signal.
Check all of the connections from the wall to your cable box and from the cable box to your TV to ensure that all connections are tight.
If the colours on your screen appear distorted, then your TV might be malfunctioning. Open Settings, and then select General. To complete the reset, select OK. Your TV will restart automatically. Cable connection problem : Your Samsung Smart TV is likely to have a black screen issue due to the cable connection problem. Loose connections, damaged cables or inactive power sources are the probable cause of the problem on your TV. The unit will stop operating. There are two ways to soft reset your TV.
Press and hold the power button on your remote until the TV turns off and on again. This should only take about 5 seconds. In some cases, a software update can correct the problem. Updates can take up to 30 minutes depending on network speed, so if the TV is not turning off too frequently, try updating the software. The most common course for a problem is a bad connection between the HDMI cable and the device.
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