I have been using Magic Lantern 2011Dec22 for several years on my T3i and decided to try out a nightly. I downloaded the Jan 15th edition and installed it. Cool! new features and all that.
I took the camera out for a shoot and found that the camera was unstable. It would freeze during recording video after a few minutes which required a battery pull to get it to reset. When I got done with the shoot, I put the camera back in its case and headed home. When I got home the red power light on my camera was flashing and camera wouldn't turn on. The camera body was warm. I yanked the battery and copied the footage off of the SD card.
When I put the card and battery back in the red light would repeatedly blink but wouldn't turn on. I tried my other card which has the same version of ML on it. Same issue. I tried a battery pull and then put it in with no card. Nothing at all. No blinking, no turning on at all. I tried with a freshly formatted blank card. Nothing at all. I tried with my ML card again. Nothing at all. I have not seen any sign of life out of my camera for several days of trying different combinations of battery and cards.
Any suggestions on how to bring my camera back from the dead?