Canon EOS 5D Mark II Clock Battery Replacement

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Jan 09, 2015 - 05:19:33

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Introduction

It is important to note that removing the memory battery will cause the camera to forget all of your settings. It would be helpful to document your settings before performing these steps. Perform these steps as basic troubleshooting, much like a soft reset.

What you need

Step 1 Clock Battery

Canon EOS 5D Mark II Clock Battery Replacement, Clock Battery: step 1, image 1 of 1

Lift the rubber flap covering the input/output jacks.

Step 2

Using a Phillips #0, remove the single 3.4 mm screw.

Step 3

This step will permanently erase all user settings.
The memory battery can now be easily slid out of place.
If you are following this guide in an effort to perform a hard reset, you should now press the shutter button multiple times in order to drain any left over power, then replace the batteries and power the device back on. You have just performed a hard reset!