Unlike older 'ball and roller' style mice, optical mice use camera and digital technology, which usually does not require extensive cleaning or additional maintenance. That being said, a Microsoft Wireless Mouse 3000 can develop tracking or other problems that may require a look inside the case. Skill level:Moderate Things you need Small flathead or jeweller's screwdriverSmall cross-head (Phillips) screwdriver Instructions 1 Shut down the computer or laptop. Unplug the Microsoft Optical Mouse 3000 wireless USB receiver from the computer's USB port. 2 Depress the silver button located at the base of the mouse to release the unit's battery cover. Remove the battery cover and the single AA battery inside the casing. Teller Platform Software there.

3 Use a small flathead or jeweller's screwdriver to gently pry off the unit's left and right mouse button assembly. (The left and right mouse buttons are comprised of a single piece of moulded plastic that comes off as a unit.) 4 Turn the mouse over and use your fingernail to pry off the four rubberised feet on the bottom cover. Remove the four screws (one under each rubberised foot) with a cross-head screwdriver. 5 Slide the two sections (top and bottom) of the mouse casing apart. The bottom section of the mouse houses the circuit board, antenna, scroll wheel and other miscellaneous parts.