Introduction
This is a guide for replacing a keyboard on the Panasonic CF-31 Toughbook laptop. The Panasonic CF-31 laptop is a fully rugged laptop designed to operate in environments not suitable for your normal laptop, such as extreme heat and cold, rain, dust, and a drop from a height of six feet or under. These conditions can cause components like the keyboard to malfunction, causing a need to repair or replace the keyboard. This repair guide will outline the steps to replacing the keyboard on the Panasonic CF-31 Laptop, the tools needed, and a list of parts needed to complete the repair.
Tools
Parts
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            Open the battery compartment by pulling the tab forward and then down. 
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            Open the compartment door by pushing down. 
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            Use the plastic tab to pull the battery out of the compartment. 
 
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            Use a Phillips #2 screwdriver to remove the three screws from the bezel. 
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            Use a nylon spudger to remove the bezel. 
 
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            Use a nylon spudger to lift each corner of the keyboard. 
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            Use your hands and gently pull back to remove the keyboard. 
 
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            Use a Phillips # 2 screwdriver to remove the four screws securing the keyboard shield. 
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            Remove the keyboard shield. 
 
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            Remove the top left ribbon cable using a nylon spudger to pull the top and bottom tabs right. 
 
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            Remove the top right ribbon cable using a nylon spudger and push the top and bottom tabs left. 
 
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            Remove the bottom left ribbon cable using a nylon spudger and push the top and bottom tabs right. 
 
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To reassemble the Panasonic CF-31 Toughbook Laptop, follow these instructions in reverse order.