https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/canon-5d-mark-ii-won-t-turn-on/m-p/8493#M1132 <P>While shooting video, I changed my card and battery. Turned camera back on and nothing. Changed with another battery and card. Still nothing</P> Sun, 23 Dec 2012 06:14:15 GMT woodysg1 2012-12-23T06:14:15Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/canon-5d-mark-ii-won-t-turn-on/m-p/8493#M1132 <P>While shooting video, I changed my card and battery. Turned camera back on and nothing. Changed with another battery and card. Still nothing</P> Sun, 23 Dec 2012 06:14:15 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/canon-5d-mark-ii-won-t-turn-on/m-p/8493#M1132 woodysg1 2012-12-23T06:14:15Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/canon-5d-mark-ii-won-t-turn-on/m-p/8519#M1133 <P>Sorry to hear that.</P><P>Next thing to do is to remove that coin (Lithium ion) battery and wait for few minutes before placing it back and use a freshly charged battery, a new memory card. Make sure memory card reader door is not damaged and closes fully.</P><P>&nbsp;If still nothing happens, contact <A target="_blank" href="http://usa.canon.com/cusa/professional/standard_display/contact_by_phone_pro">Canon' repair center. LINK</A></P> Sun, 23 Dec 2012 19:39:38 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/canon-5d-mark-ii-won-t-turn-on/m-p/8519#M1133 Samsen 2012-12-23T19:39:38Z