- Roll the mouse over onto its back and remove the ball access slide cover. As
illustrated in Figure 22-5, the mouse ball is held in place by a locking cap that
rotates to its locking or release positions. Turn the cap in the direction of the
arrows printed or molded on it.
Chapter 22: PC Care and Maintenance^577
Figure 22-4. An optical mouse, which does not have a ball or moving rollers and sensors,
eliminates most of the cleaning required for a ball mouse
Figure 22-5. A mouse ball is held inside the mouse by a locking cap that can be rotated to release
the ball