76 Cleaning Your Computer
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 dislodge dust and lint.
5
If the rollers inside the ball cage are dirty, clean the rollers with a cotton swab moistened lightly with
isopropyl alcohol.
6
Re-center the rollers in their channels if they are misaligned. Ensure that fluff from the swab is not left
on the rollers.
7
Replace the ball and retainer ring, and turn the retainer ring clockwise until it clicks into place.
Cleaning an Optical Mouse
Clean the outside casing of the mouse with a cloth moistened with a mild cleaning solution.
Floppy Drive
NOTICE: 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 pretreated floppy
disks to remove contaminants that accumulate during normal operation.
CDs and DVDs
NOTICE: Always use compressed air to clean the lens in the CD/DVD drive, and follow the instructions that come
with the compressed-air product. Never touch the lens in the drive.
If you notice problems, such as skipping, with the playback quality of your CDs or DVDs, try cleaning
the discs.
1
Hold the disc by its outer edge. You can also touch the inside edge of the center hole.
NOTICE: To avoid 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 a straight 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 also purchase
commercial products that clean discs and provide some protection from dust, fingerprints, and
scratches. Cleaning products for CDs are also safe to use on DVDs.
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