2020 QLED Q80T QE55Q80TATXXU - dark spots on screen. 08-11-2020 07:35 PM in. i have a dark spot on the screen showing on all content and tests, see pictures below. I have tried unplugging the tv and plugging it back in after a minute, no change. Please help.
But before saying it for sure try to do a Reset. Press and hold the reset button on your tv for 20 sec., release reset button (now your tv is powered off). The last step is to power on again. Let me know if works or not. Good luck. 0. L. learningcurve72. Jan 13, 2022.

6. Damaged Backlight. Your Samsung TV is illuminated by its backlight. However, this backlight is prone to outages, as some Samsung users found. When the backlight is damaged, your TV may suddenly become very dim. In some cases, only part of the backlight may be faulty, leading to certain areas of the screen dimming.

Samsung UN50NU6900B. Hello, Part of the backlight on the TV doesn't turn on. I have no idea if it is a power supply problem or a LED strip problem.

Method 6: Replace Backlight LED Strips. Before I started, I mentioned that this issue is caused mainly by a backlight problem. If you have tried all five troubleshooting approaches and it still didn’t work, you would have to perform a hardware fix by replacing the backlight strips. Method 7: Contact Samsung TV support.
\nsamsung led tv backlight problems
Rep: 1. Posted: Oct 9, 2022. Options. Simply unplug the tv, and unplug the cable box. Wait 30 seconds and plug cable box back in. Wait a few minutes then plug tv back in. Power on tv and after cable box completely resets, the dark portion at the top of the screen is gone.
It does indeed sound like a backlight issue. Look closely at the dark part of the screen, with the TV on, and see if there is a faint picture or not. With the LED's, if they are having this
VovpI.
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    • samsung led tv backlight problems