Nikon D3000 Auto focusing problems?

I had problems with my camera a week ago but now they ARE FIXED! But now my camera will auto focus but it won't take the photo.

I resetted my camera.

I'm not on M focus.

I have resetted my options

I have done all the suggestions I could find so should I take my camera to a nikon store or just go with it?

This usually happens if the battery is low or it can't focus in low light. Check that first.