Okay, so my tv is 1080p capable. While the 360 was hooked up via analog, the option for 1080p was clickable, but it resulted in a blue screen which would revert to 1080i.
Today, I hooked my 360 up to an audio/visual receiver with an HDMI cable. Eager to make it 1080p, I opened up the menu, only to discover that hooking it up greyed out the 1080p option entirely. Why is this? What must I do!?