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Old May 16, 2006, 1:32 AM   #1
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I made a huge error when updating the firmware on my Canon EOS 20D. I forgot to remove the lens when I did the update. I called the Canon help line and talked to three different people there. None of them could answer my questions as to if any harm was caused to my camera or if I need to do anything additional. What should I do, or what should I be looking for? Has anyone had any experience with this? Has anyone ever made the same mistake? The camera updated to the new firmware version, and appears to not have any problems. Thanks I appreciate everyone's input.
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Old May 16, 2006, 3:37 AM   #2
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You say that the firmware is showing on the camera as being updated and you say it all seems to be working correctly. I would say that you are OK. To be sure, go through and check every setting on the camera and take test shots.

I think you should be fine though.

Dave
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Old May 16, 2006, 8:57 AM   #3
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Not to be too obtuse, but why do you think that leaving the lens on would damage the camera?

If your firmware update goes wrong you'll definitely know about it. The camera won't work at all!
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Old May 16, 2006, 10:24 AM   #4
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It is stated right on Canons web site to remove the lens when doing a firmware upgrade as it *might* cause issues. Not sure why. :?
Go here http://www.canon.co.jp/Imaging/eos20...irmware-e.html and note the green "note" box on the first page :-) This bit of info used to be missing from the downloaded upgrade instructions, not sure if it has been added yet.

If the update says it succeded and the camera is still working, you are OK.

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Not to be too obtuse, but why do you think that leaving the lens on would damage the camera?

If your firmware update goes wrong you'll definitely know about it. The camera won't work at all!
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Old May 16, 2006, 4:33 PM   #5
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Hello Everyone,

Thank you for your replies.I was concerned because the warning on the firmware update site was so boldly stated and repeated and no one at the Canon service line could answer why the lens had to be removed.. I will do as you say Dave and go through every setting and take test shots. As it stands now the firmware did register as being updated and the camera is functional, but I will be sure to do the tests. I was also concerned as to if it may have altered the calibration for the lens that was on the camera. (Canon EF 75-300mm f/4-5.6 IS USM).

I really appreciate everyone's reply.

Kevin
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Old May 17, 2006, 4:29 AM   #6
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Actually I have a vague memory now of the very first firmware update for the 20D going wrong if certain lenses were still attached.

So perhaps it's just a generic warning now.
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Old May 19, 2006, 9:16 AM   #7
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battery drain?
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Old May 19, 2006, 10:08 AM   #8
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Yap - minimizing the current drain by removing the lens is a good precaution...

Bad thing can happen when the battery run out in the middle of an upgrade
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Old May 20, 2006, 9:26 AM   #9
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The 20D was plagued by many problems when it first came out and one of them was a situation where the camera became inoperable if certain lenses were left on the camera during firmware upgrades. You won't see this advice on the 10D or 5D firmware instructions.
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