Symptom

Possible solution

Cursor responds slowly, moves only vertically or horizontally, or does not track smoothly.

For a mouse with a roller ball:

●Clean the roller ball: Remove the roller ball cover from bottom of mouse (rotate it counterclockwise), remove the ball, and clean it by using a damp, lint-free cloth (not paper). Also clean the rollers on which the ball moves.

●Use a mouse pad or other rough surface under the mouse.

For an optical mouse:

●Clean the optical mouse: Gently wipe the light sensor lens on the bottom of the mouse by using a lint-free cloth (not paper).

●Use a mouse pad, white sheet of paper, or other less reflective surface under the mouse.

ENWW

Keyboard and mouse (with cable) 19