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This guide is for the purpose of replacing the left and right mouse buttons on the Logitech G402 gaming mouse. The process of replacing a faulty mouse button may be daunting. However, this guide aims to streamline this process, making it as simple as possible.
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Remove the adhesive mouse skates from the bottom casing.
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Remove the five 1.2 mm screws using a Phillips #00 screwdriver from the bottom of the mouse.
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Separate the top casing from the bottom.
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Remove the two case screws using a Phillips #00 screwdriver.
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Remove the single 1.2 mm screw from the middle of the circuit board using a Phillips #00 screwdriver.
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Remove the perpendicular circuit board containing the side buttons.
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Remove the remaining 1.2 mm screws under the removed board and next to the mouse buttons using a Phillips #00 screwdriver.
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Pull back the plastic clip and lift the circuit board out of the bottom casing.
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Separate the wire from the bottom casing by pulling the wire out.
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The solder connections for the left and right buttons are labeled in the second picture.
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The solder connections circled in red are for the left mouse button.
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The solder connections circled in orange are for the left mouse button.
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Solder the replacement button onto the circuit board.
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To reassemble your device, follow these instructions in reverse order. When reassembly is complete, apply the replacement mouse skates.
To reassemble your device, follow these instructions in reverse order. When reassembly is complete, apply the replacement mouse skates.
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