I have a canon sd300 it is about a year old. I took a picture with it, turned off the camera and tried turning it on about 30 mins later and it would not go on. I thought perhaps the battery was dead so I recharged it but the camera is still not going on. Please help !!
If you push the power button and do not see any signs of life at all, it is most likely a blown fuse. In this model disassembly is required to replace the fuse, and it is soldered onto the main power board. If there are signs of life, but the camera does not function there are other explanations. Jammed lenses are the most common cause of power-on failure. Check with your manufacturer for recalls and warranty service information. Failing that you can find a repair provider online. David Millier Advance Camera Repair
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