Question about Canon PowerShot SD300 / IXUS 40 Digital Camera

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Mode Switch I have trouble switching from video to camera mode. The switch moves ok, but the camera stays in video mode. Sometimes it will switch, but may not stay there very long. Is this a dirty switch? Can I clean it?

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Re: Mode Switch

I have this used camera and have the same problem. Does anyone know what the solution would be? I don't want to spend moneyy on this but would like to know if there is a DIY fix that I could try... Thanks

Posted on Nov 11, 2012

Re: Mode Switch

I Have the Same Problem. it is very Annoying I find it sometimes Helps To push down on the mode button while moving it a across. I think maybe there is a plastic catch that is worn or something. I am thinking of taking it apart and having a look to see if I can fix it.

Posted on Oct 06, 2007

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I have a 4 year old Canon SD 600 and these days it defaults to video mode even in photo mode. I have tried everything, taking out the battery for a long time and putting it back, but always stays on video...

If you have tried to move the switch on the back between the stillphoto, view and video setting, and it does not change modes, the cameras life is as you put it, over.

Mar 08, 2011 | Canon PowerShot SD600 Digital Camera

2 Answers

Canon powershot A520 doesn't work in camera mode. I can look at and edit pictures in viewing mode, but switching to "camera" won't let me take pictures... in this mode it also lets me view pictures already...

Do other buttons work? If so, the switch could be broken because it sounds it doesn't switch to the CAMERA mode, just stays at the VIEW mode.
If you're not experienced in repairs, you should give it to a local repair shop or Canon service center.

Sorry for the bad news. I repair these cameras very often.


Sep 27, 2009 | Canon PowerShot A520 Digital Camera

1 Answer

Preview mode not working and lines on the screen

canon ixus 500.
when i switch mode to playback/preview it doesnt work so i cant view pics that are taken or can i upload them to my pc.

Jun 28, 2008 | Canon PowerShot S500 IXUS 500 Digital...

1 Answer

Camera freezes when changed from Auto > Scene

Nikon Coolpix s3 powers on OK when switch is on auto mode, but when switched to "Scene" mode cannot shoot, switch back to auto mode / movie mode, or turn off. If power is turn on when switch is in "Movie" mode, everything is OK. Help!
dr rajeev jain

Apr 15, 2008 | Nikon Coolpix S3 Digital Camera

1 Answer

Defective mode function switch

possibly the contact points are damaged. plz check with the help of a electronics repairman.

Feb 17, 2008 | Digital Cameras

1 Answer

Slider switch problem

Switching probel- may be repairable - check out Canon for estimate- but don' hold your breath

Sep 04, 2007 | Canon Powershot SD450 / IXUS 55 Digital...

1 Answer

DSC-S40 , my camera wotn switch mode.

If you opened and unable to find the switch, then the switch might be snapped, or the sw slider was not aligned to the sw itself. you can find it by aligning the sw slider of the back cover to the main board, its a very small switch soldered on the board near the upper portion of the LCD panel. If you find it, slide it to leftmost, at the same time, move also to the leftmost the sw slider at the back cover. Assemble it carefully, thanks

Aug 13, 2007 | Sony Cyber-Shot DSC-S40 Digital Camera

1 Answer

Canon A70 stays in replay mode

Gerry, The mode switch is a very common problem that causes the camera to remain in either play or camera mode. The stem breaks off the top of the switch and no longer functions. If this is not the case, the flex harness (operations unit) can get torn on top if the camera has been dropped. If the switch appears to be good, check for ground switching between the two outer legs of the switch, the micro gets a low signal from the mode switch to determine what state the cameras in. Good luck, this is a nice camera! Joe Weibel Custom Electronics (

Feb 13, 2007 | Canon PowerShot A70 Digital Camera

1 Answer

Auto switching to video mode after still photo

Take the battery out and re load the operation. This will do a reset of the operation modes.

Jan 03, 2007 | Sony Cyber-Shot DSC-T1 Digital Camera

1 Answer

Auto focus mode

One Shot AF will focus on something and stop the AF process. One Shot AF will not fire the shutter until the lens is in focus with something. This AF mode is available in some PIC modes, like Macro mode, I think. AI Servo AF will not lock the focus, and if the subject or the camera moves, the camera will continue to seek a sharp focus. Servo AF will allow the shutter to fire whether in focus on not. This is mode only available in the Sports PIC mode. AI Focus starts out in One Shot AF, but if it detects subject movement it switches to AI Servo. It does not switch back to One Shot unless you release the shutter button and start over. This mode is available in P, Tv, Av, M and probably some PIC modes. The DRebel defaults to the AI Focus in most modes but switches very easily into Servo. Much easier than any other EOS camera I've used. In fact, too easily for most people. For example if the camera locks focus and you them move the focus manually (only on lenses with FTM), or sometimes if you zoom, or even pan the camera; all of these can force the camera to switch to Servo when you don't really want it to. The Wasia (Russian) firmware hack can force the camera to stay in One Shot, but it can't force the camera to start out in Servo.

Sep 14, 2005 | Canon Digital Rebel / EOS-300D Digital...

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