Touchpad Failure; Internal Speaker Failure - Packard Bell dot s series Service Manual

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.
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Start
OK
Check M/B
NG
T/P FFC
OK
OK
Check Logic
NG
Upper
Swap M/B
Start
OK
Check M/B
NG
SPK cable
OK
OK
Check Logic
NG
Lower
Swap M/B
Re-assemble
the T/P FFC to
M/B
Swap/Re-
assemble the
T/P board or
T/P FFC
Re-assemble
the SPK cable
to M/B
Swap Logic
lower
Chapter 4