I was playing Wii on a friends’ Samsung LCD TV. The contrast was too dark, so we adjusted the picture settings. After about ever 10 minutes or so, the picture would just go right back to the same settings it had before we changed them. It wouldn’t save the settings.
This appears to be a common issue where the television is in Shop Mode. You will need to get it out of Shop Mode and put the TV in Home/Dynamic Mode in order for it to save the settings.
1. On the television, push the Volume Up button once then let go.
2. Now press and hold the Menu button for about 10 seconds.
3. When the screen flashes, you should see an area where it will say Dynamic mode. That will mean the TV has now been switched over to Dynamic Mode.