Appendix 209Touch Pad1 Shut down and turn off your computer (see "Turning Off Your Computer"on page 153).2 Disconnect any attached devices from the computer and from theirelectrical outlets.3 Remove any installed batteries (see "Battery Performance" on page 51).4 Moisten a soft, lint-free cloth with water, and wipe it gently across thesurface of the touch pad. Do not allow water from the cloth to seepbetween the touch pad and the surrounding palm rest.MouseNOTICE: Disconnect the mouse from the computer before cleaning the mouseIf your screen cursor skips or moves abnormally, clean the mouse.Cleaning a Non-Optical Mouse1 Clean the outside casing of the mouse with a cloth moistened with a mildcleaning solution.2 Turn the retainer ring on the underside of your mouse counterclockwise,and then remove the ball.3 Wipe the ball with a clean, lint-free cloth.4 Blow carefully into the ball cage or use a can of compressed air to dislodgedust and lint.5 If the rollers inside the ball cage are dirty, clean the rollers with a cottonswab moistened lightly with isopropyl alcohol.6 Recenter the rollers in their channels if they are misaligned. Ensure thatfluff from the swab is not left on the rollers.7 Replace the ball and retainer ring, and turn the retainer ring clockwiseuntil it clicks into place.Cleaning an Optical MouseClean the outside casing of the mouse with a cloth moistened with a mildcleaning solution.
