Canon EOS 5D Mark II Top Panel Replacement

Lift the rubber flap covering the input/output jacks.

Using a Phillips #000, remove the single 3.4 mm screw.

The memory battery can now be easily slid out of place.

Peel back the rubber cover above the in/out ports to reveal two screw heads.

Remove both 5.4 mm screws using a Phillips #0.

Lift the in/out port plastic covering from the bottom where the backup battery used to be.

Remove each 6.3 mm screw on either side of the viewfinder using a Phillips #0 screwdriver.

Remove the three 4.8 mm screws on the bottom of the back plate using a Phillips #0.

Peel back the rubber covering next to the menu dial to access the screw.

Remove the single 3.4 mm screw using a Phillips #0.

The back panel can now fall off easily by turning the device upside down. Be sure to catch it so the data ribbons do not tear or tug.

Remove each data ribbon cable from the motherboard by applying pressure down towards the motherboard and gently sliding your thumb upwards on the slot where the cable meets the motherboard. This will raise a very small clip that locks the cable in place.

The back panel is now free from the rest of the device.

Using tweezers, pull out the wire attaching the front panel to the motherboard.

Peel off the rubber cover on the front panel in order to access the screws underneath.

Remove each of the 4.9 mm three screws using a Phillips #0.

Remove the two 4.8 mm screws above where the lens would be using a Phillips #0.

Remove the single screw underneath where the lens would be using a Phillips #0.

Remove the four 3.0 mm screws next to the memory card reader using a Phillips #0.

Remove the front panel by lifting upwards from the right side where the in/out ports used to be.

Remove the single 5.9 mm screw next to the the strap loop on the same side as the shutter button.

Remove the single 3.8 mm screw underneath the camera strap on the same side as the in/out ports.

Using tweezers or your thumb, raise the clasp holding the topmost data ribbon cable in order to release it.

The top panel is now free from the rest of the device. Lift to remove.