Introduction
If the attached USB cable on your Corsair Katar mouse is not working due to damage or exposed wires, this guide will show how to replace it.
Tools
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Detach the bottom of the mouse from the upper shell.
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Use the plastic opening tool to detach the white DPI sensor cable from its port.
 
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Use the plastic opening tool to pry the white cable jack away from the motherboard.
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Lift the motherboard away from the bottom of the mouse.
 
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Use the JIS 0 screwdriver to remove the 5mm screw attached to the USB wire housing.
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Lift the USB wire away from the shell of the mouse.
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.