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138 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:
Start
Check M/B
T/P FFC
Re-assemble
the T/P FFC t
o
M/B
OK
NG
Check Logic
Upper
OK
Swap/
Reassemble
the T/P boar
d
or T/P FFC
OK
NG
Swap M/B
Start
Check M/B
T/P FFC
Re-assemble
the T/P FFC t
o
M/B
OK
NG
Check Logic
Upper
OK
Swap/
Reassemble
the T/P boar
d
or T/P FFC
OK
NG
Swap M/B
Start
Check M/B
Speaker cable
ok
Check
speaker
Swap M/B
Re-assemble
the speaker cable
to M/B
NG
Swap speakerNG
OK
OK