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This guide shows how to replace the mouse cable for the Logitech G502 Proteus Core gaming mouse, whether it's due to a broken cable or to swap to a better paracord. It should be a relatively easy and quick repair and doesn't require any previous experience of fixing mice. Unplug your mouse before starting this repair.
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            Use a hairdryer to heat three mouse feet briefly. 
 
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            Use a screwdriver to remove the four 12.5 mm screws. 
 
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            Use a spudger to pry open the bottom case. 
 
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            Raise the tabs to disconnect the ribbon. 
 
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            Pull out the pin and remove the scroll wheel assembly. 
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            Take out the two springs under the scroll wheel assembly. 
 
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            Unscrew five 12.5mm screws from the motherboard. 
 
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            Open the tabs lock on each side so you can disconnect the ribbon. 
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            Disconnect the PCB from the mouse cable. 
 
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            Pull out the plastic piece. 
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            Remove the mouse cable. 
 
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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Let's say you're trying to fix your G502 without a legit logitech cord, you can just splice a usb cable and solder the correct wires to the pins. I did this twice and it works flawlessly
If you are careful enough, you don't need to remove the side button ribbon.
