TCL 75S425, blank screen, sound works, backlights seem to work. I have already replaced Tcon board, but still not functional. One morning the screen went blank but the backlights seemed to work. This as after a power outage the night before so probably related. Heres what else I have checked: Press the home button on the remote at least five times. Press the “ up ” button only one time. Now press the “ rewind ” button two times. Press the “ fast forward ” button twice. With the help of both options, you can resolve the black screen issue on your TCL Roku TV by trying carefully. TV is doing something. To turn off the status light when the TV is powered off, follow the step-by-step instructions below: Press on your remote to open the main screen. Scroll up or down and select Settings. Press the right arrow button and select System. Press the right arrow button and select Power. Press the right arrow button and select 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 disable ads from Android TV homescreen, open Android TV’s Settings page and move to “Apps” and then scroll down a bit and click on “ See All Apps “. 2. Again, scroll down to the bottom and click on “ Show System Apps “. 3. Now, look for “ Android TV Home ” in the list and open it. 4. Here, click on “ Uninstall Updates 1). Both my laptop screen and HDMI monitor go black when I connect the TV on Screen mirroring. I do this by selecting the windows key and P together and selecting a projection mode and then connecting to my my TV through the wireless display option. I have tried both Extend and Duplicate as well as 1 only & 2 only and the problem happens in all 5YCdB.

tcl android tv blank screen