. Sleep timer activated; Glitch with the auto-brightness setting. . Switch off WiFi and manually update firmware. Yet devices connected to your TV through CEC or Wi-Fi could cause it to turn on by itself.

Tcl tv keeps turning off and on by itself

An internal timer was accidentally set to turn on the television panel on its own.

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    May 18, 2021 · Try cleaning your remote until all the buttons work properly. I ran the TV all night for 8 hrs straight and it never shut off (had a 24 news channel running). . .

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    If your TCL Roku TV keeps turning on by itself, there could be an HDMI issue. Sleep mode isn't on, I've tried to look through settings to possibly disable this but no luck. 3.

    .

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    4. 4.

    An appliance (wireless adapter, network module or router) is connected, which causes the TV to turn on itself at night.

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    All customer service did was reset to factory settings which did not help. Unfortunately it may prove impossible to get help from TCL if the TV is out of warranty.

If all of this fails, just restart your TV and your router and reboot the whole system.

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    If your TV turns off by itself always after a certain length of time, you may have set the Sleep Timer.

    Damaged main board; Overheating; Damaged power cord.

    Damaged main board; Overheating; Damaged power cord.

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    Solution. Days went by. You can try removing all external devices, including those connected by Bluetooth and any coaxial or signal cables, so that the TV only has a power cable going into it. 5.

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    .

    Navigate to the Settings icon.

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    Apr 25, 2023 · 3. .

TCL roku tv volume goes up by itself.

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    TCL roku tv volume goes up by itself. Model: 32S3700 make 05/2015, Sometime it doesn't.

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    . Instead of your television turning off, it goes into a power-saving sleep mode. . Either way it does sound like an issue with the power supply board.

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    . .

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    If your TCL Roku TV keeps turning on by itself, there could be an HDMI issue. .

. . First thing that comes to mind is bad power supply. Unfortunately it may prove impossible to get help from TCL if the TV is out of warranty.

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#2. Finally as a last resort, he tried unplugging the other end of the power cord (the part of the cord that’s connected to the back of the tv). My TCL TV’s backlight keeps turning off- Why? Your TV’s backlight keeps turning off either because the sleep timer is activated or because the auto-brightness setting is glitching.

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