3.Lift out the trackball from its holder and wipe it completely with a soft, dry cloth to remove dirt and grit. To remove stubborn dirt and stains, moisten the cloth with a neutral detergent. Do not use an
4.Use a cotton swab to gently clean the trackball holder. Pressing too hard can cause the holder to move out of position.
5.Place the trackball back into its holder and rotate its frame clockwise until it locks in place.
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