https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/my-t4i-will-not-read-any-sd-card/m-p/59645#M75480 <P>I had the same problem and realized it was because I was using a class 2 SD card. I think you have to use a class 6 or above for pictures and a class 10 for video. I use a Lexar Professional class 10 for all-around use and It works great! (I guess you pay for the 1080p <img id="smileyhappy" class="emoticon emoticon-smileyhappy" src="https://community.usa.canon.com/i/smilies/16x16_smiley-happy.png" alt="Smiley Happy" title="Smiley Happy" />) Hope this helps.</P> Mon, 06 Jan 2014 19:24:08 GMT lollers-365 2014-01-06T19:24:08Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/my-t4i-will-not-read-any-sd-card/m-p/59621#M75479 <P>i tried several sd cards but it reads error and will not take any pictures</P> Mon, 06 Jan 2014 18:36:23 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/my-t4i-will-not-read-any-sd-card/m-p/59621#M75479 CRISTIAN2477 2014-01-06T18:36:23Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/my-t4i-will-not-read-any-sd-card/m-p/59645#M75480 <P>I had the same problem and realized it was because I was using a class 2 SD card. I think you have to use a class 6 or above for pictures and a class 10 for video. I use a Lexar Professional class 10 for all-around use and It works great! (I guess you pay for the 1080p <img id="smileyhappy" class="emoticon emoticon-smileyhappy" src="https://community.usa.canon.com/i/smilies/16x16_smiley-happy.png" alt="Smiley Happy" title="Smiley Happy" />) Hope this helps.</P> Mon, 06 Jan 2014 19:24:08 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/my-t4i-will-not-read-any-sd-card/m-p/59645#M75480 lollers-365 2014-01-06T19:24:08Z