Introduction
A stuck shutter is a common failure mode for digital cameras. The camera may take black pictures (for shutter stuck closed), or the pictures may be bright and overexposed, especially when taken (for shutter stuck open).
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Put the camera in any mode other than Auto, and turn off the flash.
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Turn off the LCD screen and press the DISP or DISPLAY button.
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For many canon cameras this will be shutter priority mode, that will give you the longest exposure time without flash.
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After a few seconds open the battery door then close it again. This will momentarily interrupt power during the exposure time.
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Conclusion
To reassemble your device, follow these instructions in reverse order.
