1. Incorrect Cable Connection:
- Check the cable connection between your TV and the surround sound system or external devices like DVD players. Ensure all cables are securely plugged in.
2. TV Settings:
- Check your TV's settings to see if there is a setting for 'Color' or 'Picture Mode.' Make sure it's set to the correct mode.
3. TV Display Settings:
- Some TVs may have a setting that switches the display to black and white. Look for settings related to 'Color Tone,' 'Color Temperature,' or 'Color Balance' and ensure they are not set to produce a black and white display.
4. External Device Settings:
- Check the settings on any external devices connected to your TV. Some devices might have their own color settings that can override your TV's settings.
5. Software Updates:
- Check if there are any available software updates for your TV. Updates might include fixes for display-related issues.
If none of these steps resolve the issue, it might be related to a hardware problem with your TV or surround sound system. In this case, it would be best to contact the manufacturers of your TV and surround sound system for further assistance or warranty-related support.