Touch Pad Failure; Internal Speaker Failure - Acer Aspire 7230 Service Manual

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 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:
134 Chapter 4