We recommend placing the TV on a soft mat with the screen facing down to prevent any scratches on the screen.If the graphics show when illuminated, the device has backlight failure. An easy way is to take a white light against the screen. Firstly, please confirm the backlight issue.Things to Consider Before Testing & Repair LCD TVs used backlights made up of fluorescent bulbs, but their production has now been stopped as the technology is outdated. The Backlight issue only occurs in LED TVs as QLED and OLED TVs do not have backlights. Light leaking from the TV’s edges indicates LED bulbs have moved inside the TV.A half dark screen point to one whole side of Backlights is failing.Light Spot sections occur when the lens of these LED bulbs falls off.Dark sections are caused by some LED bulbs turning defective.A Flickering screen is a possibility for a dying led strip.A Dim screen points to defective led backlights.TV turns on without any display of the picture.
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