HP Nw9440 HP Compaq nx9420 and nx9440 Notebook PC - Maintenance and Service Gu - Page 57
Flowchart 2.19-Nonfunctioning Pointing, Device
UPC - 882780782174
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Troubleshooting Flowchart 2.19-Nonfunctioning Pointing Device Pointing device not operating properly. Connect computer to good external pointing device. N External device works? Y Replace system board. Reseat internal pointing device connector (if applicable). N OK? Y Replace internal pointing device or cable. Y Done OK? Done N Replace system board. Maintenance and Service Guide 2-29
Troubleshooting
Maintenance and Service Guide
2–29
Flowchart 2.19—Nonfunctioning Pointing
Device
Y
N
OK?
Pointing device
not operating
properly.
External
device
works?
Replace
system
board.
Replace
system
board.
Connect computer
to good external
pointing device.
Reseat internal
pointing device
connector
(if applicable).
Replace internal
pointing device
or cable.
OK?
Y
N
Y
N
Done
Done