Haven't moved or used my TV for a few weeks. When I turn it on it all turns on like normal and image is clear, then suddenly flicks to dark screen after about 3 secs. Sound is perfect and remote works fine, just the screen is darker than it should be (I can still make out the screen though, its not completely black)
It wouls appear one of the backlights in the screen is cutting out, this will require the screen to be replaced although in certain circumstances, depending on the age & model of your TV, it is sometimes possible to change the faulty backlight independantly. Take it to a repair centre to get an anaylisis of the type of screen it has.
Inspect where the dark streaks are on the television. If the streaks occur at the same place on the top and bottom of the screen, they are due to the formatting of a movie or television show you are watching. This is normal. Also, if the streaks appear on the left and right of the screen, they are due to the show being filmed in full-screen instead of wide-screen. This also is normal.
Change the input setting so you are viewing the contents of a different device. If the dark streaks are gone, you know they are due to the device connected to it. However, if the dark streaks remains no matter what input the TV is connected to, the problem lies with the television.
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