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3-14 Troubleshooting and Diagnostics HP Omnibook XT6050, XT/VT6200
Symptom Call Center:
Suggestions
Repair Center:
Likely Causes
Repair Center:
Comments
Audio
No sound audible. Increase sound volume.
Check whether sound is
enabled (audio-off button and
software controls).
Check for sound resource
conflicts in Device Manager.
Test audio with e-Diagtools
diagnostics.
Top case.
Speaker assembly.
Volume PCA.
Motherboard.
Check operation using
headphones or external
speakers (volume PCA).
Make sure speaker assembly
cable is connected.
Sound does not
record.
Check software controls.
Test audio with e-Diagtools
diagnostics.
Display interface
PCA.
Volume PCA.
Motherboard.
Check operation using
external microphone (volume
PCA).
Serial/Parallel/USB
General problems. Check connections.
Restart notebook.
Use troubleshooters in
Windows Help.
Check settings in Control
Panel.
Check settings in BIOS
Setup.
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. Use loop-back connector
when testing serial or parallel
port—see page
3-21.
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.
Mini-PCI modem card
Mini-PCI panel.
Motherboard.