Before you do anything else, go to this website and download a copy of the owner's manual: EOS T3i Owner's Manual Read the manual and become familiar with your camera and its controls and menus. Next, as previously recommended, do NOT use the "Gr...
I would try returning the camera to the dealer where you bought it for assistance. If they are unable to help you, ask for an exchange for another new T4i. If it is too late for an exchange, send it in to Canon for warranty repair.
