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Service Manual Troubleshooting and Diagnostics 3-13
Symptom Call Center:
Suggestions
Repair Center:
Likely Causes
Repair Center:
Comments
Sound does not
record.
Use an external microphone
(internal microphone
normally not included).
Check software controls.
Test audio with e-Diagtools
diagnostics.
Switchboard PCA.
Motherboard.
Serial/Parallel/USB
General problems. Check connections.
Restart notebook.
Use troubleshooters in
Windows Help.
Check settings in Control
Panel.
Check port settings in Device
Manager.
Test ports with e-Diagtools
diagnostics.
For USB: contact device
vendor and HP Notebook
Web site (see page vi) for
latest USB drivers.
For USB: if the device is
powered by the USB port, try
the other port.
Motherboard.
Modem
General problems. Check settings in Control
Panel.
Open hardware Device
Manager. If modem is
disabled, try to enable. If
modem has a conflict, try
disabling another device.
Use analog telephone line (2,
3, or 4 wires), not PBX or
digital line. In a hotel, ask for
data line.
Try disabling error correction
and data compression.
Test modem with e-Diagtools
diagnostics.
Motherboard.