If the card LED blinks continuously AND the camera is unresponsive, please report an lantern issue and show us the LED blinking sequence (a short video will do).
If you have a different Canon firmware version, please use the one from our download page (select camera, scroll to magic Installation).
In older versions, this used to mean wrong firmware version, but new builds are now lantern able to show a message on the screen, regardless of your magic Canon firmware version.Then put the battery canon back and try to boot lantern the camera without card.Only after you are sure the camera is OK, lantern you can try to see what's wrong with lantern Magic Lantern.Revolutionary, get the most out of your camera with the latest Magic Lantern features.Scripting support extends API to every day users.Open Source, download the source code and help develop the code. Refined, fully documented happy developer's API.
If the canon screen does not turn on, but autofocus book works, remove the book book battery and format the windows card.
If the camera does not boot (seems dead remove the battery and the card.Yes, Take Me To The Downloads.The camera will not boot if any of the card or battery doors are open!This happens when the card is bootable, but n is not there.If the camera asks for a firmware update, place Canon firmware on book the card (this was a problem in older versions).Then put a formatted card in the camera and try to boot without, magic Lantern.Check if all doors are closed.If you do, remove the battery immediately, edition switching the camera off is not enough!
DO NOT magic lantern canon 550d use a bootable card without a working n on it!
Video, tools like on-screen overlays and headphone monitoring allow you to capture footage with confidence.