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Troubleshooting
14-21
Part Number: 228988-001 File Name: CH14.DOC
Writer: Dianne Fielden Saved Date: 02/20/96 11:55 AM 12:43 PM
Cleaning Inside the Trackball Assembly
To remove dust and buildup on the inside surfaces of the
trackball:
1. Turn off the computer. Remove battery packs. Disconnect
external devices. Remove the trackball.
2. Remove any large particles of debris that have fallen into the
trackball housing.
3. Dip a cotton swab in isopropyl alcohol and squeeze off the
excess liquid.
4. Carefully wipe inside the cage to remove residue from the
surfaces. Clean the ball bearings ➊ by rubbing with the swab.
Do not attempt to remove the bearings. Do not use alcohol on
the sensor window ➋. Instead, gently wipe the sensor window
with a soft, dry, lint-free cloth until all debris is removed.
Cleaning Inside the Trackball
CAUTION: To avoid damage to the computer, do not use alcohol
on the sensor window.