Originally posted by mel Everything in there looks proper. The card slot had a phase recently where it didn't want to release the card. I'm guessing that is what lead up to this and somehow that piece got pushed in and isn't connecting. I don't have anything small enough to go in there and pry that copper (or whatever) piece out a bit to see if it works. Yeah I know I risk ruining the camera but it's not like it's usable now anyway. I'm hesitant to send it in for repairs based on the value of k10ds on the market right now. The repair could easily exceed that.
Unfortunately I've become rather dependant on having two cameras handy.
Actually the switch should be open to show unlocked, closed to show locked.
So if its pushed in it is making contact and is closing the circuit and the camera thinks its locked.
I would remove the batteries, and take a solid not stranded piece of small gauge wire with a small hook bent at the end and see if you can pull the small contact out some.
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Sort of like that but small enough to fit in there and just enough to grab the contact.
Remove the batteries to avoid any shorts.
Hopefully the contact wasnt damaged and bent so it wont straighten back out to work.