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14-20
Troubleshooting
Part Number: 228988-001 File Name: CH14.DOC
Writer: Dianne Fielden Saved Date: 02/20/96 11:55 AM 12:43 PM
Cleaning the Trackball
Operate the trackball with clean hands. Under normal conditions,
you only need to wipe the computer case and trackball with a dry
soft cloth. If the cursor begins to skip or move abnormally when
using the trackball, follow these steps to remove and clean it:
1. Turn off the computer by pressing Shut Down from the Start
menu.
2. Remove the battery packs and disconnect the AC Adapter if it
is plugged in.
3. Loosen the retaining ring by placing a pen in the hole
➊
on the
ring and turning it
➋
about 20 degrees counterclockwise.
Removing the Retaining Ring and the Trackball
4. Remove the retaining ring and ball from the housing.
5. Gently clean the ball with tap water or isopropyl alcohol.
Then rinse with water and dry it with a lint-free cloth.
CAUTION: To avoid damage to the trackball, do not use an
abrasive cleaner on it.
6. Before replacing the ball, clean the trackball assembly. Refer to
Cleaning Inside the Trackball Assembly.