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Introduction

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

Step 1 Feet

Alienware Pro Wireless Gaming Mouse On/Off Switch Replacement, Feet: step 1, image 1 of 3

Alienware Pro Wireless Gaming Mouse On/Off Switch Replacement, Feet: step 1, image 2 of 3

Alienware Pro Wireless Gaming Mouse On/Off Switch Replacement, Feet: step 1, image 3 of 3

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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Step 2

Peel and remove the other mouse foot.

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Step 3 Battery

Alienware Pro Wireless Gaming Mouse On/Off Switch Replacement, Battery: step 3, image 1 of 1

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

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Step 4

Alienware Pro Wireless Gaming Mouse On/Off Switch Replacement: step 4, image 3 of 3

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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Step 5

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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Step 6

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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Step 7 Side Button

Alienware Pro Wireless Gaming Mouse On/Off Switch Replacement, Side Button: step 7, image 1 of 2

Alienware Pro Wireless Gaming Mouse On/Off Switch Replacement, Side Button: step 7, image 2 of 2

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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Step 8

Lift the side button panel from the plastic frame.

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Step 9 Scroll Wheel

Alienware Pro Wireless Gaming Mouse On/Off Switch Replacement, Scroll Wheel: step 9, image 1 of 3

Alienware Pro Wireless Gaming Mouse On/Off Switch Replacement, Scroll Wheel: step 9, image 2 of 3

Alienware Pro Wireless Gaming Mouse On/Off Switch Replacement, Scroll Wheel: step 9, image 3 of 3

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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Step 10 Motherboard

Alienware Pro Wireless Gaming Mouse On/Off Switch Replacement, Motherboard: step 10, image 1 of 1

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

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Step 11

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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