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When I turn on my kodak easy share z650 it shuts down.

Camera specifications for the batteries required by this unit are: Kodak NiMH battery pack KAA2HR, or 2x AA If battery pack is installed try using a couple of regular AA size batteries to make sure it is not just a charging problem. If camera works with regular batteries, then battery pack and/or charger could need replacing. If camera still not working after testing, a visual inspection of the camera’s interior components may be of use. A teardown tutorial can be accessed at this location: Kodak Easyshare z650 Teardown

Terri Jones if the check by @propman doesn’t help you want to check the lens. It is not uncommon for these cameras to shut down because of a lens error. Check on here for some possible solutions.