Acer 4552 Laptop User Manual


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118 Chapter 4
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:
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