Acer ASPIRE 5742 - Touch Pad Failure; Touchpad Failure; Internal Speaker Failure

164 Chapter 4
Touch Pad Failure
If the Touch Pad doesn’t work, perform the following actions one at a time to correct the problem. Do not
replace a non-defective FRU:
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 FRU: