I have a Pentax OPtio M20 7MP which I bought a few years back. After nine months of caring for it and using it, it just stopped working. The camera would not turn on. I put fully charged batteries in the perfect right places yet it still wouldn't do a thing when I press the on button.

Yao, October 2010

try this one
http://fixpentax.blogspot.com/

john, December 2010

yes,I have the same situation as you.it can turn on after some time without batteries.but now,it can not show anything at all.sorry for my poor english.

68596037, November 2010