HP pavilion dv1000-compaq-presario-v2000-nx4800 服务手册

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页码 238
Troubleshooting
Maintenance and Service Guide
2–27
Flowchart 2.21—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