Com 226 comp trouble shooting II theory book
Cleaning a Pointing Device
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| Cleaning a Pointing Device Pointing devices are perhaps the simplest peripheral available for your computer. Although they are reasonably forgiving to wear and tear, trackballs and mice can easily befouled by dust, debris, and foreign matter introduced from the ball. Contamination of this sort is almost never damaging, but it can cause some maddening problems when using the pointing device. A regimen of routine cleaning will help to prevent contamination problems. You can use prefabricated mouse cleaning kits (Fig. 25-5) to speed the cleaning process. Turn your small-computer off before performing any cleaning procedures - Remove the ball A ball is held in place by a retaining ring. Fora mouse, the retaining ring is on the bottom. Fora trackball, the ring is in the top. Rotate the ring and remove it gently—the ball will fallout. Place the retaining ring in a safe place. - Clean the ball Wash the ball in warm, soapy water, then dry it thoroughly with a clean, lint-free towel. Place the ball in a safe place. - Blow out the dust Use a can of photography-grade compressed air to blowout any dust or debris that has accumulated inside the pointing device. You might want to do this in an open or outdoor area. - Clean the rollers Notice that the mouse has three rollers an X roller, a Y roller, and a small pressure roller that keeps the ball pressed against the X and Y rollers. Use a cotton swab dipped in isopropyl alcohol to clean off any layers of gunk that might have accumulated on the rollers. - Reassemble and test Allow everything to dry completely, then replace the ball and retaining ring. Then test the pointing device to be sure that it is performing as expected. SYSTEM DATA AND TROUBLESHOOTING Download 1.89 Mb. Share with your friends:
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