Question about Canon EOS 40D Digital Camera
With newer Canons you have to run a software program to "initialize" the board when you replace it. The board comes blank, and you have to add the program and settings to run the camera. The software also allows you to replace the serial numbers, do exposure and auto focus adjustments etc. Canon does not sell this proprietary software. You would have to send the camera to Canon and they would charge you the set repair price. Wish I had better news. But try adding the latest firmware. I am not sure if the 40D is the cutoff for this or it started with the 50D. You have to do this with all current Canon models.
Posted on Mar 05, 2014
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Posted on Jan 02, 2017
here is Canon's answer;
Issue: The LCD/Electronic Viewfinder will not display an image or the image is distorted.
Solution: If all troubleshooting steps have failed, please have your EOS 40D serviced.
Details: [ Hide ] Unfortunately, the issue you describe seems to indicate that your product requires repair service. Canon has excellent service options and we are eager to provide any assistance you may need. Links to the service options that are available for your product are listed below:
Request a Repair Online You can conveniently pre-arrange repair service with a Canon Factory Service Center through Canon's website. Find a Service Location Search to locate a repair service center and obtain further instructions. If you still have questions about the issue you are experiencing, a Technical Support Representative will be happy to answer any question you may have. You can contact us through the email link or phone numbers listed below.
Posted on Apr 27, 2008
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