Question about Canon PowerShot A540 Digital Camera

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A540 - how do i take it apart?

I have taken all of the screws out of the case, however it wont fold open with the function selector dial in place. (the dial that switches it from camera to video camera, etc.) How do I get it off? I have tried prying, but am afraid that it will break. Anyone ever taken one apart?

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Re: a540 - how do i take it apart?

Dial does not need to come off. The case halves will come apart with a little work. Did you get the screw in the battery compartment?

Posted on Jan 16, 2008

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My A540 clicks like it takes a picture but nothing shows on the display screen. When I take the memory card out and insert to computer the frame of pictures show but the photos are black.

A stuck shutter is another common failure mode for digital cameras. The symptoms of a stuck or "sticky" shutter are very similar to CCD image sensor failure. The camera may take black pictures (for shutter stuck closed), or the pictures may be very bright and overexposed, especially when taken outdoors (for shutter stuck open).

To confirm a stuck shutter, put the camera in any mode other than "Auto", and turn the flash OFF (you don't want to blind yourself for the next step). Next look down the lens and take a picture. You should see a tiny flicker in the center of the lens as the shutter opens and closes. If no movement is seen, then you likely have a stuck shutter. If so, please see this link for further info and a simple fix that may help.

But if you do notice shutter movement, then this would then likely be a CCD imager failure. It would in that case require Canon service to repair (1-800-OK-CANON).

Nov 10, 2009 | Canon PowerShot A540 Digital Camera

2 Answers

Copying Video ---- TO ---- my Canon A540

Yes, if you use a card reader, and do not change the file name, AND place the videos back in the same folder it should work.

Jun 30, 2009 | Canon PowerShot A540 Digital Camera

2 Answers

Buttons Messed Up and Screw Driver Size

I had exactly this problem and was able to fix it.

Two of the screws on the case are 'special', with a Y-shaped slot. The appropriate screwdriver seems to be known as a "tri-wing" screwdriver and is sold on ebay (and elsewhere) to open the Nintendo Wii and DS amongst other things. I bought one on ebay, and it worked fine although I think one size smaller would have been better. The screwdriver is labelled 360/Y x 50.

Opening the case was easy. If in doubt there are videos on youtube showing how to replace the LCD display that show how to do it. The only place it was tight was on the side just below the shutter button.

In my case the problem appeared to be that the ribbon cable connecting the button-membrane to the main circuit board had been creased (folded too tightly on itself) although I have heard that the same problem can occur if it isn't properly seated in its socket on the main board. The buttons worked perfectly with the case open, but failed whenever the ribbon cable was squished flat by closing up the case.

I folded the edge of a small piece of paper to make a small roll, and taped it in position just behind the crease in the ribbon cable so that it prevented the crease from flattening completely even under the pressure of screwing the camera together again.

Amazed and delighted to have my camera fully functional again for the price of a cheap screwdriver and 30 minutes fiddling.

Jun 03, 2009 | Fuji FinePix F30 Digital Camera

1 Answer

Can not remove MEMORY CARD from canon a540

Pull it harder. You obviously don't want to break it but if it still doesn't come out, I would look for screws and try to take the camera apart. Take the battery out first and don't forget how it goes back together and it should be fine.

May 09, 2009 | Canon PowerShot A540 Digital Camera

1 Answer

Flashing indicator lights when treying to power on my a540

Hi there, I can help you with that. Do this:

Turn the camera off.
Take out the batteries for 5 minutes.
After 5 minutes, put the batteries back in (or get a fresh set).
Then turn the camera back on.

Let me know if that helps or not with a comment. If it helps, feel free to rate my answer accordingly. Thanks for coming to FixYa.


Feb 22, 2009 | Canon PowerShot A540 Digital Camera

1 Answer

Digital camera problem

I have an FE-140 open right now and i can assume it to be one of 2 things. If it was dropped it is possible that the LCD has cracked therefore you will only see above or below the crack. It s a separate part and can be replaced. The 2nd is that possibly the mylar strip that connects the LCD to the circuit board has come loose with the impact. This is quite simple to reinsert yourself, however just be careful when opening the camera. remove the 4 side screws and the 2 on the bottom(on rear casing) then gently use something thin like a nail file or sharp fingernail to breach the 2 halves and they should come apart. Never force!! Once open there are 3 more screws around the function selector that will need removing, and 2 under the corners of the LCD.The LCD will lift out to access these screws. This will give you access to the mylar strip. Good Luck,

Jul 23, 2008 | Olympus FE-140 Digital Camera

1 Answer

Canon powershot a70 take apart help

Useful link:
Good luck!

Jun 23, 2008 | Canon PowerShot A70 Digital Camera

1 Answer

Taking apart a A530

Leave the mode selector wheel alone. It is not necessary to remove it. Take a look at the following A530 disassembly guide. It should be of help:

Apr 24, 2008 | Canon PowerShot A530 Digital Camera

1 Answer

Lens does not extend

If you drop one of the Coolpix cameras, the case can get jammed up against the lens. The lens may not extend at all, and you are probably getting SYSTEM ERROR messages. The motor that extends the lens isn't powerful. By loosening the screws that hold the case together, you may be able to move the case slightly and get everything back into alignment. This task is for the mechanically inclined and who can be gentle and patient. Brute strength is NOT called for here. Also, if your camera is under warranty, do not do this!

Removing the case screws will require a jewelers phillips head screwdriver and a well-lit workspace that will prevent losing the screws (they are tiny). Not all the screws are exactly the same. You have to keep track of where they came from so that they go back into the same hole. Get a clean sheet of paper and draw a map of the camera body showing where the screws go. There are 11 screws all together two of which are under the battery cover.

Shut off the camera and remove the battery. As you remove the screws, place them on the corresponding spot on the map. When all the screws are removed, the case may not want to come apart. GENTLY move the two halves of the case apart at the bottom of the camera (For some reason, the camera wants to come apart at the base before the top). It probably isn't necessary to take the body apart. If the body does come apart, note that the OFF/ON dial is connected to the circuit board by a thin ribbon cable, so the halves cannot be separated completely in any case. DO not pull on this cable.

What you are trying to do is loosen the two halves of the case and give them a chance to get back into the original position. Note that the tripod mount is a separate piece and will shift slightly if you separate the case halves at the bottom.

If the case halves are loose and they have moved, you've may have fixed the problem. Replace the screws. You may need a pair of needle nosed pliers to get the screws back into the holes. Put the battery in and turn on the camera. If you moved the body correctly, then the lens should pop out. Don't be afraid to try a couple of times.

I may have been lucky in that this worked for me, but if your camera isn't working at all (mine wasn't), this may be worth a try. Just be extremely careful of those screws.

Mar 29, 2008 | Nikon Coolpix 4300 Digital Camera

1 Answer

Canon Powershot A75 problems ________________________________________ I have a Canon powershot A75 Digital camera its about a 11 months old and has a few problems now. 1. zoom doesn't work any more 2....

Having read on a few sites about loose ribbon wires causing problems and having this same problem. I decide to take the camera apart. Taking all the screws out and fidling with the "wires" connecting the zoom control and the photo type selector and the main circ board. I also cleaned the connector from the picture type selector. Then put it all back together the camera works fine again. NOTES... lots of small screws with varying lengths make sure you know where they come from. Took about 1 hour to do.Put back in the order you take apart or the back will not go back on.. Good luck have just saved myself a fortune

Dec 15, 2006 | Canon PowerShot A75 Digital Camera

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