Canon PowerShot G16 Button Circuit Board Replacement

Open the battery flap on the bottom of the camera by applying pressure and pushing in the direction of the arrow.

Remove your finger and allow the flap to pop open.

Push the brown lever so that it pivots counterclockwise.

Grip and remove the battery.

Remove the ring around the lens by simultaneously pressing the black button located at the bottom right of the ring and rotating the ring counterclockwise.

Remove the four 3.3 mm screws on the bottom of the camera using a Phillips #00 screwdriver.

Remove the 3.3 mm screw on the right side of the viewfinder using a Phillips #00 screwdriver.

Remove the two 3.3 mm screws near the speaker using a Phillips #00 screwdriver.

Open the port cover by lifting up the tab with your finger and remove the 7.3 mm screw underneath the cover using a Phillips #00 screwdriver.

Remove the other 3.3 mm screw below the ports using a Phillips #00 screwdriver.

Using your fingers, carefully pull the the back cover off by grabbing the bottom left of the back cover and pulling outwards.

Using your fingers, carefully pry the front cover off starting at the bottom right.

Remove the 3.8 mm screw at the bottom right of the port cover housing using a Phillips #00 screwdriver.

Lift away the port cover housing.

Reorient the camera so that you are looking at the back.

Unplug the button circuit board from the motherboard by unlocking the ZIF connector (gently lift the brown lock that keeps the cable in place).

Pull the connector downwards with the tweezers.

Remove the 3.0 mm screw on the top of the button memory board using a Phillips #00 screwdriver.

Remove the 2.8 mm screw on the bottom of the button memory board using a Phillips #00 screwdriver.

Lift the button circuit board away from the camera.