I have the indicated Canon PowerShot. The batteries became exhausted and the camera did not close. I inserted two new sets of Duracell batteries and pushed the power button. Neither set caused the camera to become operational. All that occurs when the power button is pushed is the screen illuminates with the Canon splash screen image and the green LED light flashes for approximately 15 seconds and then the screen goes dark and the LED ceases flashing. The automatic lens cover is not completely closed, but the lens is fully retracted. I have searched the manual to find a part that addresses this problem, but find nothing nor do I find anything akin to a master resetting of the camera. Can anyone please help me? I am in India on a business trip and desperately need the camera. Does anyone know of a "fix" for the camera? If so, would they please copy a response to my email at firstname.lastname@example.org. Thank you for any help you can provide.