Solving Audio Problems - HP Compaq dx7200 MT Reference Manual

Troubleshooting Without Diagnostics

Solving Audio Problems

Solving Audio Problems
Problem
Errors when installing
audio drivers.
Sound cuts in and out.
Sound does not come
out of the speaker or
headphones.
D–14
Cause
The HP audio codec
requirs that Microsoft
Universal Architecture
(UAA) drivers, which
provide support for the
HD audio bus, to be
installed before the
audio codec driver can
be installed. (UAA
drivers are different for
each operating system
(OS) and OS service
pack.)
Processor resources are
being used by other
applications.
Direct sound latency,
common in many media
player applications.
Software volume control
is turned down.
The external speakers
are not turned on.
Audio is hidden in
Computer Setup.
390812-001
Solution
Install the Microdoft UAA driver
before installing the Realtek driver.
Shut down all open
processor-intensive applications.
In Windows XP:
1. From the Control Panel,
select Sounds and Audio
Devices.
2. On the Audio tab, select a
device from the Sound
Playback list.
3. Click the Advanced, button
and select the Performance
tab.
4. Set the Hardware
acceleration slider to None
and the Sample rate
conversion quality slider to
Good and retest the audio.
5. Set the Hardware
acceleration slider to Full
and the Sample rate
conversion quality slider to
Best and retest the audio.
Double-click the Speaker icon on
the taskbar and use the volume
slider to adjust the volume.
Turn on the external speakers.
Enable the audio in Computer
Setup: Security > Device
Security >Audio.
Service Reference Guide, dx7200