My new Samsung LN-S405 keeps reverting my display settings back to default every couple of minutes. I put custom settings (as opposed to the other presets: dynamic, standard, and movie) and set brightness, contrast, color, etc. appropriately. I of course set it up the same for all my sources (DVD player through component, XBox 360 through VGA PC input, and VCR through AV1. No matter what I'm playing/watching, it always reverts back to "Dynamic" and resets my custom settings to default as well. This happens unpredictably: sometimes within minutes, other times within hours.
Yes, this is a demo/ floor display model and yes, initially it came with "shop mode" on. But then I disabled! it seemed fine, then the next day I came and turned it on, switched to watch a DVD, checked the settings in the menu to make sure, and sure enough, they continued to keep switching back.
I have tried everything and am out of options. PLEASE HELP!