“I stepped away from my room and left the TV on, came back and the TV was off and will not power back on by remote or button. I tried the hard reset (unplug, hold power button 15 seconds, leave unplugged 15 minutes) and it still did not power on.”
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If you have already performed a "hard power cycle" by unplugging the LG 65” Class UA7050 Series LED AI 4K UHD Smart webOS TV (2025), Model # 65UA7050PUB, from the wall for at least 5 minutes to drain residual power, and while unplugged, hold the physical power button on the TV for 30–60 seconds, then plug it directly into a wall outlet, bypassing surge protectors, and it still will not power back on, it may require a service repair. Check the Standby Light. If there is no light, check the power cable connection and the outlet with a lamp, or try turning the TV on using the button on the TV set, not the remote, to rule out a dead remote. Disconnect HDMI devices (cable box, game console), as they can sometimes prevent a TV from turning on. If the TV still does not turn on, the issue may be internal and may be due to a Power Supply Board Failure, which is the most common cause, often resulting from failed capacitors. Other possible causes are that the main circuit board may have failed, or a backlight failure where the TV may be turning on, but the screen remains black...^Ivan.
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