Question about Canon PowerShot A400 Digital Camera

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Power issues... I think

When I try to turn on the camera it only shows the words Cannon on the screen then shuts off.Even if its trying to get out the lens camera it will shut off during the middle of it leaving the lens partially out and I can't get it on long enough to take pictures or to get them on my computer or anything.

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Re: Power issues... I think

There is a watch battery in a small slot behind the regular batteries that says c1120.  Has this been replaced?  See if that helps.

Posted on Oct 31, 2007

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The camera starts up and shows the blue sanyo screen. Then the screen turns black then shuts off. The lens doesn't even open. I've tried charging the battery and that is not the problem. What's...

Hello ..Yes please make sure your batteries are fully charged..If battery is charged and still shuts down..There is a good chance lens was hit or bumped.When lenses are bumped the camera will try to extend lens upon power up as part of cycle.If camera detect problem with lens not opening..Then it will shut down...

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I press power and the lens opens and shuts but dows not allow me to take picture. The screen reads ''tune the power off an on again'' but turning powers on/off does resolve anything.


You may try removing the Battery from the Camera then press and hold the power button for 30 seconds. Then, reinsert the Battery and turn the Camera ON. Please make sure that the Battery pack is fully charged. Next, check if the Menu options or home screen is accessible. Then try resetting the Camera to the original factory settings.

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1 Answer

Black screen wont show images

May be the issue with CCD (image sensor device) of the Camera.

Refer this article to cofirm this.

Check whether the LCD screen of the Camera looks similar as given on the page.

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I have a Cannon Powershot SD600, just got it recently and it worked great, then all of a sudden I noticed the cover lens's that slide over to protect the lens when you shut it off were messed up. Onle 1...

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The problem seems to come from sand/dust entering the body and jamming the lens gear. A handy person may be able to fix it, but I think Canon should have designed an enclosed lens gear so sand/dust can not enter. 

Camera's are commonly carried in pockets, so it is logical sand and dust can be expected. 

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Canon Powershot A510...

The a70 drops a screw in to the mechanism.

you will need to take the unit apart carefully as it is intricate.

I used a web site to show me but have lost the link.

try looking for cannon A70 problems / erors Etc.

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