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Chapter 4 85
TouchPad Failure
If the TouchPad doesn’t work, perform the following actions one at a time to correct the problem. Do not
replace a non-defective FRUs:
Internal Speaker Failure
If the internal Speakers fail, perform the following actions one at a time to correct the problem. Do not replace
a non-defective FRUs:
Sound Problems
If sound problems are experienced, perform the following actions one at a time to correct the problem.
1. Reboot the computer.
2. Navigate to Start´ Control Panel´ System and Maintenance´ System´ Device Manager. Check
the Device Manager to determine that: