Ask the question you have about the Microsoft Wireless Mouse 5000 here simply to other product owners. Provide a clear and comprehensive description of the problem and your question. The better your problem and question is described, the easier it is for other Microsoft Wireless Mouse 5000 owners to provide you with a good answer. Hi, Here is a link which shows how to dis-assemble your mouse. At about 50 seconds into the video you have access to the button switches. At this point you should be able to to determine if the actual button is mechanically functioning and if the actuating lever of the upper cover is OK. Microsoft Wireless Laser Mouse 6000 and 5000.

The Microsoft Wireless Laser Mouse 8000 combines cutting edge features with sophisticated design. Microsoft's first rechargeable mouse delivers 2.4 GHz Bluetooth® wireless performance, high definition laser, and much more…all wrapped up in a sleek brushed aluminum package.

Easy Charging
When the status indicator lets you know the battery needs charging, just place the mouse on the AC charging station to recharge.

4-Way Scrolling
Scroll four ways for greater efficiency and comfort with Tilt Wheel Technology.

2.4 GHz Bluetooth® with First Connect Technology
Connect wirelessly right out of the box with 2.4 GHz Bluetooth®.

High Definition Laser Technology
Microsoft® High Definition Laser Mouse* products are more precise, more responsive, and deliver smoother tracking.

Instant Viewer
Too many open items on your desktop? Click the scroll wheel button to instantly display your open windows, then point and click to select.

Battery Life Indicator
You won't get caught with a dead battery—the Battery Status LED Indicator glows red when the battery is running low.

Rechargeable Mouse
Status indicator flashes when batteries need charging. Mouse drops onto the stable, horizontal charging station to activate charging.

Magnifier
Point and click to enlarge and edit details using the Magnifier.

Brushed Aluminum
The sleek, symmetrical design features an authentic brushed aluminum that feels as good as it looks.

Wireless Freedom
Give yourself room to move with a wireless mouse and keyboard that lets you work without worrying about tangled wires.

Five Customizable Buttons
This mouse has five buttons that can be programmed to do a variety of functions.

Comfort for Either Hand
Use your mouse with your left or right hand—ambidextrous design makes it comfortable either way.

Ergonomic Design
Point and click in comfort—ergonomic design helps you work longer without discomfort.

3 Year Warranty

Microsoft Wireless Laser Mouse 5000 User Manual Instructions