Resolution Settings on Genie Mini Change Randomly - DirecTV

I have three directv genie mini C51s, one hooked up to an older Samsung DLP that doesn't support 1080p/24. To Get 1080p I have to manually set the resolution In the resolution settings to have only 1080i checked and let the tv do the rest. However, the mini doesn't save these settings for very long. It seems after each time i power off and back on the mini, the settings go back to having all resolutions checked. Also, it will revert back to this during the middle of a Directv cinema movie, resulting in the non supported mode showing on my display and the screen going blank. This is frustrating as it seems to always happen during the last 10-15 minutes of a movie, i.e. the good part.

Has anyone heard of a solution to this?

This question, "Resolution Settings on Genie Mini Change Randomly," is about DirecTV channels, programming, equipment, and sports.