My camera turns immediately off when I turn it on!

I know this question and solution is old but the above solution sounds like it is for a different model camera. The Z740 doesn't have an ON/OFF button. It has a switch that slides over.

But back to answering this problem. I had this problem and it was caused by using a set of alkaline batteries. My camera would turn on then turn off straight away. I could switch over to the Favorites but could not actually go to camera mode. My mother's older Kodak C300 was exhibiting the same behavior. Try switching to Ni-MH or Lithium. I did not know she had put Alkaline batteries in both our cameras. My problem was solved by inserting my rechargeable NiMH AA batteries. Easy fix. Hope this helps the next person.

I may be able to help with your Kodak EasyShare Z740 that turns itself off.

Try these steps to fix your camera.

I hope that helps.
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Kodak EasyShare Z740 Turns Off Fix
Kodak EasyShare Z740 Manual Download