5Wipe the mouse ball with a clean, soft, dry, and
6If necessary, wash the mouse ball with warm soapy water (use a mild soap such as a dishwashing liquid) and then dry the mouse ball thoroughly.
7Gently blow into the mouse case to remove any dust that has collected there.
8Put the ball and the ring back in place.
Your mouse should roll smoothly across your mouse pad or desk. If it doesn’t, repeat these instructions carefully.
Locking and unlocking the mouse
Some mouse devices can be locked so that the ball can’t be removed. A locking mouse has a small hole on the plastic ring.
To lock the mouse, follow these steps:
1 Insert a straightened paper clip into the hole on the plastic ring.
Insert a straightened paper clip into this hole.
(The hole may be located here on your mouse.)
2 Press down on the paper clip while you turn the ring clockwise.
Turn the ring a very short distance, until it stops. When the recessed area on the ring is not lined up with the recessed area surrounding the ring, the mouse is locked.
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Appendix A
