Samsung LN46A550 LCD TV "keep switching dynamic mode" Questions

...dynamic automatically. It also switches the picture size to 16:9 no matter what I have it set at i.e. wide screen. I can't figure out why it keep reverting back to these settings. Any ideas????? Your ...

...switching it to Dynamic(fixed) by itself. I switch it back to User and after like 20 minutes or so it automatically switches back to Dynamic(fixed) by itself. How do i keep it from doing that? How do ...

...switching picture into dynamic when using smart hub or when changing from tv to av please help me fix this It means your tv is in shop mode. Turn it off by pressing Info button on your remote control ...

...from standard mode 2 dynamic and then resetting all my settings after about 15 mins. Im just trying doing that now, just waiting 2 c if it goes back again. I will let u know how i get on, thanks ...