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While using my lense last night, it just stopped focusing.  I can hear the motor working and it seems like it goes in and out and it just won't focus on the point.  I was using the AV mode it was set to  AI Focus, I tried it on different modes and fo...
My daughter used my canon rebel t4i and now some of my menu icons are missing.  She changed quite a few setting and I wanted to clear all settings, well that is not even an option    Please HELP!!! 
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