If the tv is connected to an active and stable internet connection install the latest tv software.
Sony tv white screen problem.
Follow these steps to troubleshoot.
Hold the power button on the side of the tv down for 3 5 seconds.
If the menu screen does not have the same problem it is not a malfunction.
The following steps will help you diagnose whether your issue is a problem with the tv or the device broadcasting the picture.
If you don t see them appear on your tv it s telling us the tcon is blocking that signal from appearing on the tv screen.
What to do when your tv has an all white screen and brand new boards don t fix it.
Plug in the ac power cord main lead and turn on the tv to check its status.
Ok every tv made in the last 30 years has some sort of secret service menu built in.
Clean the tv screen.
Press the home button on the remote to display the bravia tv menu screen.
If there s a bad module or screen making adjustments will not fix the issue.
I m assuming the color balance of the entire screen has drifted and the problem is not a bad screen.
This setting is known white balance and it s available on nearly every tv.
There may be an issue with your tv.
Unplug the power cord from the outlet or the wall whichever is more accessible.
You can change the picture settings to suit your tastes.
Usually when you get an all white screen or one with vertical lines on the screen that usually points to a dead tcon board.
Turn off the tv and unplug the ac power cord main lead.
A quick test to try activate the tv s menu or the volume bar or any onscreen displays.
What to do when your tv has an all white screen and brand new boards don t fix it.
Refer to odd colors on the screen for further troubleshooting.
Press the home button on the remote to display the tv menu screen.
The default picture modes of tvs tend to set white to appear slightly bluer than it should.
So the majority of the lg models are ez to get into service mode.
When the issue occurs in the menu screen.
Turn off the tv and unplug the ac power cord main lead.
Power cycle the tv.
Restart the tv and check if the issue is resolved.
Most picture modes like.
Keep the tv unplugged for 2 minutes.