- First disconnect your mouse from the back side of the computer/desktop.
- Now read the mouse manufacturer manual about your mouse model on how to safe and clean it.
- Open the ball cover by twisting the upper cover then unplug the usb from the back side of the mouse and wash the ball then dry it with a cloth.
- Now clean the dust in the inner side of the mouse specially removes the dust on the rollers with lightly dampened cotton bud. You can use the compressed air for this purpose.
- At the end, dry it and re-assemble your mouse then connect it back to the computer.
If you see dirt sticking on the side of the roller inside the mouse just use a small stick and use a bit of force until all the dirt falls out of the roller.