Alienware Pro Wireless Gaming Mouse On/Off Switch Replacement
Samuel Blanton and 3 other contributors
Last updated on Dec 15, 2025
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Introduction
Go to step 1 ↓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.
What you need
Tools
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Spudger4.9
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Flip the mouse over so the bottom is facing up..
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Use an opening pick to gently peel the mouse foot off the bottom case.
Ask FixBot
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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.
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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.
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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.
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Use an opening tool or spudger to loosen the adhesive under the battery.
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Remove the battery.
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Pinch the upper part of the ribbon cable.
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Pull the ribbon cable gently to detach it from the socket on the motherboard.
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Hold the scroll wheel encoder steady and gently pull the scroll wheel to the right to remove it.
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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.
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Bend the front nose of the mouse body to release the motherboard.
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Remove the motherboard from the bottom case.
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To reassemble your device, follow these instructions in reverse order. Take your e-waste to an R2 or e-Stewards certified recycler.
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Team
Austin Community College, Team 10-3, Watkins Fall 2025 Member of Austin Community College, Team 10-3, Watkins Fall 2025
AUSTINCC-WATKINS-F25S10G3
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