Hold the on/off button for 3 seconds until the screen is black.
Remove batteries by placing thumb on battery plate cover sliding it down to expose batteries.
Turn camera upside down to allow the batteries to fall out.
There are 5 (4.5mm in length) screws on the sides of the camera that need to be removed. Use a Phillips #000 screwdriver to remove all screws.
Remove 2 screws on the right side of the camera, and store them on a magnetic mat.
Remove 2 screws on the bottom of the camera, and store them on a magnetic mat.
Remove 1 screw on the left side of the camera, and store it on a magnetic mat.
Using a prying tool or fingernail, gently separate the back plate from the front plate, exposing the inside of the camera.
With the back plate off, use a screw driver to remove the 6 screws shown to the left.
Gently separate the circuit board from frame, by prying the circuit board from base.
Using your finger rotate the dark grey piece away from the shutter button.
Remove the shutter button by gently pressing the button from the top, pushing it towards the inside of the camera. Press shutter button down and wiggle slightly until the shutter button comes loose from housing.
Replace as necessary.