What to do if my Insignia NS-46L400NA14 LCD TV has no picture and no sound?
- WwalterandersonAug 26, 2025
If your Insignia LCD TV has no picture and no sound, try the following: * Press the power button on the TV or remote. * Ensure the 'Audio Only' option is off. * Check that video cables are securely connected. * Adjust the contrast and brightness. * Confirm the power cord is plugged in. * Select the correct video input source. * Try another channel in case the station is having issues. * Ensure the incoming signal is compatible. * Verify the antenna or cable TV is correctly connected. * Check closed caption settings to ensure TEXT modes aren't blocking the screen.