Introduction
If the DPI (dots per inch) sensor inside your Corsair Katar mouse is not operating correctly, this guide will show you 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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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.