How do I fix my Samsung L200 Digital Camera?

I recently bought a black Samsung L200 Digital Camera and when I turn it on, the screen stays black and the lens doesn't pop out. Also when i try to turn it off it won't turn off unless I take out the battery. What's wrong with my camera and is there any way to fix to on my own?How do I fix my Samsung L200 Digital Camera?it must be repaired by samsungHow do I fix my Samsung L200 Digital Camera?Try with new batteries