Optio M20 Camera: Press on/off button to power up camera, the camera opens the lens cover, turns on a red led inside the lens, cycles the lens out and back in,then makes about 5 little popping noises. The back screen shows Pentax Optio screen for a second, then then the screen displays the word Auto Picture in the center of the screen and Green Mode at the bottom and at the same time it cycles the lens out and in. And for a brief moment in the back ground of the screen you can see the picture start to clarify the camera beeps three times and shuts off.

Your problem may be due to weak/worn out batteries or corrosion on the battery contacts inside the camera which can prevent the full power of the batteries from flowing into the camera. Try this free fix before you do anything else: remove the batteries and wipe the camera contacts firmly with a dry cloth (heavy corrosion may require cleaning with a wire brush, steel wool, or sandpaper). Remove any residue that may have fallen into the battery compartment during cleaning, then wipe both ends of the batteries and place them back in the camera. This cleaning clears the problem about 90% of the time. If it doesn't work for you, your batteries may need to be replaced, or the camera may have a problem that requires professional repair.

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Try to press & hold down the Green button (the trash can button on the bottom right corner) & see if it gets u out of green mode.

Try the procedures in this tip.

Hi there - these are older posts, but I just experienced this problem (it appears to be pretty common). The fix I discovered (that works), is to insert your batteries (make sure they're fresh), and then press and hold the "on" button plus "Menu" button, together at the same time. Hold until the firmware resets (a message will pop up on screen and the camera will reset). Voila! It works again for as long as the batteries are in and operational. Also note that in my case, if the batteries are taken out, I have to go thru the reset process again, but at least I have the camera back up and running. Hope this helps others!!

Something is stopping the camera from starting. Possible lens damage. Also could be a connection inside the camera.
This may be a camera you would want to sell as a repair item or AS IS on Ebay or a site like that.

Maybe.
But it does seem to be a lens problem. Possibly the lens is out of sync as mentioned in another post here.If there is a grinding, the lens is probably damaged by dirt or sand.
Make sure the batteries or battery is fully charged.

i got it!!! on my cam i hold down the menu button at the same time power on, it will showup a " ver 1.00" and lens move a little maybe u have to do it 2 times but second time it should work

i got it!!! on my cam i hold down the menu button at the same time power on, it will showup a " ver 1.00" and lens move a little maybe u have to do it 2 times but second time it should work

ok have same problem press the power button and and the play> button at the same time. your screen will come on but not lens. then hold the play button down untill lens come out. this will work for you , you may have to do it a couple of times but it will work

i got it!!! on my cam i hold down the menu button at the same time power on, it will showup a " ver 1.00" and lens move a little maybe u have to do it 2 times but second time it should work