HP dx2290 - Microtower PC Service & Reference Manual page 94

Table D-7 Solving Audio Problems
Sound cuts in and out.
Cause
Processor resources are being used by other open
applications.
Direct sound latency, common in many media player
applications.
Sound does not come out of the speaker or headphones.
Cause
Software volume control is turned down.
The external speakers are not turned on.
The audio device may be connected to the wrong jack on the
rear of the computer or the jack has been retasked to perform
a different function.
External speakers plugged into the wrong audio jack on a
recently installed sound card.
Headphones or devices connected to the line-out connector
mute the internal speaker.
Volume is muted.
Computer is in standby mode.
86 Appendix D Troubleshooting Without Diagnostics
Solution
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.
Solution
Double-click the Speaker icon on the taskbar, then make sure
that Mute is not selected and use the volume slider to adjust
the volume.
Turn on the external speakers.
Ensure that the device is connected to the correct jack on the
rear of the computer. If the correct jack is being used and the
problem persists, the jack may have been retasked to perform
a function that is different from the default function. Open the
Realtek control panel by clicking the Realtek HD Audio
Manager icon in the task tray or the Realtek entry in the
operating system's Control Panel and set the jack to the
desired function.
See the sound card documentation for proper speaker
connection.
Turn on and use headphones or external speakers, if
connected, or disconnect headphones or external speakers.
1. From the Control Panel program, click Sound, Speech
and Audio Devices, then click Sounds and Audio
Devices.
2. Click the Mute check box to remove the check mark from
the box.
Press the power button to resume from standby mode.