I have an EOS 5D Mk 3 (purchased July 2013) and have just tried to install the firmware update 1.2.3. I followed the update procedures to the letter, even though I have done this many times before I printed the procedure off to make sure I did it properly. I inserted the CF card with the update file on it into the camera, at the relevant screen I pushed the button to start the update and the camera has gone dead. Nothing on either screen, no lights or anything. Both batteries are fully charged.
I removed the battery grip and replaced it, still nothing, removed the date/time battery and again nothing.
Does anyone have any ideas or has anyone had the same issue?
I phoned Canons helpline and they said without power there was nothing they could do other than for me to send it for repair. I really feel that the camera should be replaced rather than repaired, its and expensive piece ok kit and is less than 4 months old. For what is supposed to be a semi pro camera I doing think their attitude is acceptable. I'm really disappointed in their response, I have used Canon cameras since my first A1 and must have spent thousands with them over the years and all they keep talking about is their procedures.
I removed the battery grip and replaced it, still nothing, removed the date/time battery and again nothing.
Does anyone have any ideas or has anyone had the same issue?
I phoned Canons helpline and they said without power there was nothing they could do other than for me to send it for repair. I really feel that the camera should be replaced rather than repaired, its and expensive piece ok kit and is less than 4 months old. For what is supposed to be a semi pro camera I doing think their attitude is acceptable. I'm really disappointed in their response, I have used Canon cameras since my first A1 and must have spent thousands with them over the years and all they keep talking about is their procedures.
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