Introduction
This guide shows you how to open the Casio Exilim EX-Z850's outer casing and access the camera's internal components. This may be necessary to replace parts of your camera.
Tools
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            Remove all four screws on the camera's side using a Phillips #00 screwdriver. 
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            Remove all four screws on the opposite side of the camera using the same screwdriver. 
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            Remove all four screws on the bottom of the camera using the same screwdriver. 
 
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            Pry apart the top casing using tweezers. 
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            Remove the top casing from the camera and set aside the top casing. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order, starting with reattaching the top casing.