HP Pavilion dv4000 Maintenance And Service Manual page 55

Flowchart 2.17—Nonfunctioning Device
Clear
CMOS.
Reattach device.
Close notebook,
plug in power,
and reboot.
Device
boots
properly?
Y
Done
Maintenance and Service Guide
Unplug the nonfunctioning device from the notebook
and inspect cables and plugs for bent or broken pins
N
N
Nonfunctioning
device.
Reseat
device.
or other damage.
Y
Any physical
device detected?
Replace hard drive.
Replace NIC.
If integrated NIC,
replace system
board.
Replace diskette
drive.
Troubleshooting
Fix or
replace
broken item.
Go to
"Flowchart
2.9—No
Operating System
(OS) Loading."
Device
boots
properly?
Y
Done
2–25
N