Canon EOS 5D Mark III Instruction Manual page 369

No image appears on the TV screen.
Use the stereo AV cable that came with the camera (p.271).

Make sure the stereo AV cable or HDMI cable's plug is inserted all the

way in (p.268, 271).
Set the video OUT system (NTSC/PAL) to the same video system as

the TV set (p.271).
There are multiple movie files for a single movie shoot.
If the movie file size reaches 4 GB, another movie file will be created

automatically (p.232).
My card reader does not recognize the card.
If you format a card of 128 GB or higher with this camera, it will be

formatted in exFAT. This means that some card readers and computer
operating systems might not recognize the card properly. In such a
case, connect your camera to the computer with the provided interface
cable, then transfer the images to your computer using EOS Utility
(provided software, p.390).
I cannot process the RAW image.
41 and 61 images cannot be processed with the camera. Use

the provided software Digital Photo Professional to process the image
(p.390).
I cannot resize the image.
c JPEG images and 1/41/61 images cannot be resized

with the camera (p.287).
Troubleshooting Guide
369