This guide will assist in examining and cleaning specific areas of the Dell MO56UC mouse.
Ensure power is removed from the device before beginning disassembly.
Dust can build up inside of the device which could block the sensors and prevent the mouse from working properly. The dust can be removed by using a microfiber cloth or a [https://www.ifixit.com/News/29870/cut-your-dirty-canned-air-habit-with-these-three-alternatives|dust blower].
Before disassembly, ensure power is removed from the device.
This guide will walk you through taking apart the mouse and repairing the left and right mouse button.