For a Nikon cool-pix camera how do you unlock things?

To unlock a Nikon Coolpix camera, typically you need to ensure that the camera is powered on and that the lens cap is removed. If the camera is locked due to a feature like "Child Lock," you can usually unlock it by pressing and holding the designated button or combination of buttons, as indicated in the user manual. Additionally, check for any physical switches or settings that may be preventing operation. Always refer to the specific model's manual for detailed instructions.