Follow the below steps using your remote control to reset your TV: Go to “home. Press “settings”. Proceed to “power”. Then “system restart”. You can also factory reset your TV to eliminate bugs causing the device to disconnect from your WiFi frequently. To factory reset, Go to “home”. Followed by “settings”. To perform a soft reset on your TCL phone, follow these simple steps: Press and hold the power button on your TCL phone until the power menu appears on the screen. Tap on the “Restart” option from the power menu. Your TCL phone will now begin the reboot process. Wait for a few seconds until the device powers off and on again. On your TCL Smart TV, navigate to the settings menu and select “System.”. In the “System” menu, choose “Screen mirroring.”. Toggle the “Screen Mirroring” option to enable it. On your mobile device or computer, open the screen mirroring settings. The process may vary depending on your device’s operating system. Black Screen During Firmware Update: While updating the TV's firmware, a black screen may occur, causing uncertainty about the update's success. Black Screen on Specific Channels: Certain TV channels may trigger the black screen issue, impacting the viewing of specific content. Press the remote’s power button while pointing it to the TV. 5 times press the Home button and then press the Up button once. 2 times press the rewind button and then press the fast forward button twice. Reset the TCL TV Through its Remote. Wait for a minute and check if the TV can be turned on. 3. I bought another 55" TCL 4K Android TV, TV from Facebook marketplace for $50 because it had a cracked screen. I thought it was the same model but it turned out to be different. I took a chance and replaced my power board with the one from the other TV and even though it was half the size, the part numbers were very similar and the ribbon cable .

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