Appendix 177
Mouse
If 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 the ball.
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 moistened lightly with isopropyl alcohol.
5
Recenter the rollers in their channels if they are misaligned. Ensure that
fluff from the swab is not left on the rollers.
6
Replace the ball and retainer ring, and turn the retainer ring clockwise
until it clicks into place.
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. Never touch the lens in
the drive.
book.book Page 177 Monday, December 10, 2007 3:12 PM
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