iMac (27-inch, Mid 2010) Symptom Charts — Input/Output Devices 113
2010-09-09
Apple Wireless Mouse/Magic Trackpad Erratic Tracking
Quick Check
Symptoms Quick Check
Apple Wireless Mouse/Magic
Trackpad erratic tracking.
• Cursor tracking is jumpy.
• Tracking /Clicking/Tapping
actions not working
• Unresponsive tracking and
wrong gesture triggers
1. Verify all software and rmware updates have
been installed.
2. Verify the Bluetooth device software has been
installed.
3. Verify that customer is not using more than three
Dual Link Bluetooth input devices at the same
time on same computer.
4. Cover the entire pad surface for some seconds to
reset it.
5. Clean mouse sensor/trackpad surface.
6. Review the “Troubleshooting wireless mouse and
keyboard issues, ”http://support.apple.com/kb/
TS3048.
7. Use a known-good Mac OS X up to date
computer with Bluetooth enabled in Bluetooth
Preferences, where a known-good similar
Bluetooth device could be previously paired, and
where a wired mouse is connected.
8. (Apple Wireless Keyboard, Magic Mouse or Magic
Trackpad) Download and run the Bluetooth
Service Diagnostic utility (available in the Disk
Images page of GSX/Service Source), checking
the Restore Defaults Settings option.
9. (Apple Wireless Keyboard, Magic Mouse or Magic
Trackpad) If Bluetooth Service Diagnostic utility
passes, try to pair again the device using the
Bluetooth Setup Assistant.
10. Replace defective Bluetooth device specifying the
code provided by Bluetooth Service Diagnostic