Introdução

This guide will help you replace the on/off switch for the Alienware Pro Wireless Gaming Mouse (model name PRO-MS and PRO-M-D). The on/off switch is a mechanical control that physically breaks the circuit between the battery and the motherboard. Failure of the on/off switch will result in the mouse being stuck “on” leading to rapid battery drain or the mouse being stuck “off” and not powering on, even with a charged battery.

Before replacing the on/off switch, please refer to the troubleshooting guides. The prerequisite guides will show you exactly how to disassemble the mouse to access the on/off switch. This guide will walk you through step by step how to remove the on/off switch.

Caution: Be careful when handling electronic components and wash your hands after the repair.

Before you begin the repair, power off and disconnect your mouse from any devices or the charger.

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    • Flip the mouse over so the bottom is facing up..

    • Use an opening pick to gently peel the mouse foot off the bottom case.

    • The mouse feet warp easily so if you're not replacing them, be careful and don't rip them off. You will need them when you reassemble the mouse.

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    • Peel and remove the other mouse foot.

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    • Use a TR6 Torx security screwdriver to remove the four 6 mm screws under the foot pads.

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    • Use your hands or a spudger to separate the bottom and top of the mouse.

    • Insert the end of the spudger in the seam between the top and bottom case, and slide it around the perimeter to release the clips holding it together.

    • You may hear a cracking sound when the clips are released.

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    • Use the pointed end of a spudger to push on alternating sides of the battery connector to "walk" it out of its socket.

    • Avoid pulling on the wires. If necessary, pull as close to the connector as possible to prevent damage to your mouse.

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    • The battery is glued to the case.

    • Use an opening tool or spudger to loosen the adhesive under the battery.

    • Remove the battery.

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    • Pinch the upper part of the ribbon cable.

    • Pull the ribbon cable gently to detach it from the socket on the motherboard.

    • Make sure the ribbon line is facing the correct direction when reassembling the controller.

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    • Lift the side button panel from the plastic frame.

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    • Hold the scroll wheel encoder steady and gently pull the scroll wheel to the right to remove it.

    • Only light force is needed—be gentle to avoid damaging nearby parts.

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    • Use a Phillips #00 screwdriver to remove the two 5 mm screws at the bottom of the motherboard.

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    • Gently pull the side clip away from the motherboard to release it from the plastic frame.

    • Use a spudger to release the board from the clips if that is easier.

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    • Bend the front nose of the mouse body to release the motherboard.

    • Remove the motherboard from the bottom case.

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    • Pull back one of the two plastic retaining tabs.

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    • Remove the plastic On/Off switch.

Conclusão

To reassemble your device, follow these instructions in reverse order. Take your e-waste to an R2 or e-Stewards certified recycler.

Samuel Blanton

Membro desde: 29/09/25

363 Reputação

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