Audio Problems; Video Problems - HP KN744AA - Notebook QuickDock Port Replicator User Manual

Audio problems

Problem
Headphones or other audio device
connected to the QuickDock does not
produce sound.
A microphone connected to the
computer does not work.
A connected home entertainment
system does not have audio.
A connected home entertainment
system does not experience surround
sound.

Video problems

Problem
A video device connected to the external
monitor port on the computer does not
work.
18 Chapter 4 Troubleshooting
Possible cause
Headphones or another audio device is
connected to the headphone jack on the
computer. Using the headphone jack on
the computer mutes sound through the
QuickDock.
More than one audio device is connected
to the QuickDock.
A microphone is connected to the
QuickDock. While a microphone is
connected to the QuickDock, the
microphone jack on the computer is
disabled.
Audio is not connected properly.
The home entertainment system may not
support digital audio.
Possible cause
When the computer is connected to the
QuickDock, the external monitor port on
the computer is disabled.
Solution
Disconnect the headphones or other
audio device from the headphone jack on
the computer.
Be sure that only one audio device is
connected to the QuickDock.
Either use the microphone connected to
the QuickDock or disconnect it.
Be sure that the QuickDock is properly
connected to the home entertainment
system.
Be sure that your home entertainment
system is S/PDIF compatible. Refer to
the user guide for your home
entertainment device.
Solution
Use the external monitor port on the
QuickDock.