Dell Dimension C7565 Owner's Manual

Contents

Appendix 115MouseIf your screen cursor skips or moves abnormally, clean the mouse. To clean a non-optical mouse:1 Turn the retainer ring on the underside of your mouse counterclockwise, and then remove theball.2 Wipe the ball with a clean, lint-free cloth.3 Blow carefully into the ball cage to dislodge dust and lint.4 If the rollers inside the ball cage are dirty, clean the rollers with a cotton swab moistenedlightly with isopropyl alcohol.5 Recenter the rollers in their channels if they are misaligned. Ensure that fluff from the swab isnot left on the rollers.6 Replace the ball and retainer ring, and turn the retainer ring clockwise until it clicks intoplace.Floppy DriveNOTICE: Do not attempt to clean drive heads with a swab. You might accidentally misalign the heads,which prevents the drive from operating.Clean your floppy drive using a commercially available cleaning kit. These kits contain pretreatedfloppy disks to remove contaminants that accumulate during normal operation.CDs and DVDsNOTICE: Always use compressed air to clean the lens in the CD/DVD drive, and follow the instructionsthat come with the compressed air. Never touch the lens in the drive.If you notice problems, such as skipping, with the playback quality of your CDs or DVDs, trycleaning the discs.1 Hold the disc by its outer edge. You can also touch the inside edge of the center hole.NOTICE: To prevent damaging the surface, do not wipe in a circular motion around the disc.2 With a soft, lint-free cloth, gently wipe the bottom of the disc (the unlabeled side) in astraight line from the center to the outer edge of the disc.For stubborn dirt, try using water or a diluted solution of water and mild soap. You can alsopurchase commercial products that clean discs and provide some protection from dust,fingerprints, and scratches. Cleaning products for CDs are safe to use on DVDs.C7565bk1.book Page 115 Wednesday, January 26, 2005 1:37 PM