Question edited for clarity.
Question moved from Computers to Skyworth Television.
If it isn't in this link or in the videos, it is not available online. If it is, the wording will find it wherever you live.
https://www.google.com/search?q=skyworth+32w400+service+mode+code+list
..
not sure , but it could be as simple as the batteries are down and the on button is the last thing that will work. Do the side buttons work? They might help you find a way out of the problem. Maybe parent control too.
1. CHECK THE SIGNAL: MAKE SURE YOUR ANTENNA CABLE IS SECURELY CONNECTED TO THE TV AND THE SIGNAL IS STRONG ENOUGH FOR FREE-TO-AIR CHANNELS.
2. RESET THE TV: TRY TURNING OFF THE TV, UNPLUGGING IT FROM THE POWER SOURCE, WAITING FOR A FEW MINUTES, AND THEN PLUGGING IT BACK IN.
3. FACTORY RESET: IF THE ISSUE PERSISTS, CONSIDER DOING A FACTORY RESET ON THE TV TO RESTORE IT TO DEFAULT SETTINGS.
4. CONTACT CUSTOMER SUPPORT: IF NONE OF THE ABOVE STEPS WORK, IT MIGHT BE A TECHNICAL ISSUE THAT REQUIRES PROFESSIONAL ASSISTANCE. REACH OUT TO VIANO'S CUSTOMER SUPPORT FOR FURTHER GUIDANCE.
Restart your device
Close & reopen the YouTube TV app
Check for app or device updates
Check your internet connection
Check on your location permissions
If you wish to get setup codes, three
digits, four digits or five digit ones, check this link. Pull up older posts there. Setup code list and setup instructions to
some popular model remote controls are given. Select the 'Timeslide'
option from the drop-down list by the 'Sidebar' at the display
window. It will make search easy.
Hello ! It sounds like you are experiencing some issues with your TCL TV. It's great that the backlight lights are working fine. The blinking *********** light and white screen definitely indicate a problem.
One possible issue could be with the internal circuitry or the display panel itself. It's best to contact TCL support or a professional technician to diagnose and fix the problem. In the meantime, you can try power cycling the TV by unplugging it for a few minutes and then plugging it back in.
As for uploading a video, you can try connecting your device to a computer and transferring the video file that way. Alternatively, you can upload the video to a platform like YouTube and share the link for others to view. I hope this helps!
Question edited for clarity and add CAPS.
To update the software, it has to be connected to the Internet, and it sounds like there is no internet connection via the television, so it is looking for a USB Cable to a computer.
https://www.google.com/search?q=ematic+at103b+update+the+software+version
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