USB devices can be removed from a laptop that is running. Devices
connected to other ports should only be removed when the laptop is
turned off.- Release the ball.
- To release the ball on a mouse, look for a rotating ring that sur-
rounds the ball. Most devices include an arrow to indicate the
direction the ring should be turned to be removed. - On a trackball, the ball is usually held in place by a clip or spring
and can be lifted directly out of its socket.
- To release the ball on a mouse, look for a rotating ring that sur-
- Use a can of compressed air to clean out any dirt or dust sitting in the
well of the mouse or trackball.
You can also use a clean, soft-bristled brush. - Lightly moisten a lint-free cloth with a weak solution of water and iso-
propyl alcohol; clean the interior of the well.
Take care not to displace the ordinary position of the rollers or contact
switches within. - Clean the ball with water or a water and alcohol solution.
Check the instruction manual or manufacturer web site for any other
tips on cleaning. - Once you are certain all of the parts are completely dry, carefully
reassemble the pointing device and reattach it to your laptop.
USB devices can be hot swapped,meaning they can be plugged in or
removed while the machine is running; devices that plug in to a PS/2
connector or a serial port should be installed with the machine
turned off.
Cleaning an optical mouse or tablet is simpler because they use no moving
parts.
- Disconnect the device from the laptop.
Devices that use the USB port can be removed while the machine is run-
ning; otherwise, turn off the laptop before disconnecting any external
peripherals.- Place the optical mouse or tablet on a well-lighted, sturdy work
surface. - Use water or a weak solution of water and isopropyl alcohol to clean
the sensor window on the mouse or the surface of the tablet. - Allow all surfaces to completely dry before reattaching the device to
your laptop.
Once again, the laptop should be turned off except for devices that con-
nect to the USB port.Chapter 11: Putting Your Finger on Pointing Devices 179