144 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 non-defective FRUs:
Start
Check M/B
T/P FFC
Re-assemble
the T/P FFC to
M/B
OK
NG
Check
Logic Upper
OK
Swap/
Reassemble
the T/P board
or T/P FFC
OK
NG
Swap M/B
