Solving Audio Problems - HP dx7500 - Microtower PC Service & Reference Manual

Table C-6 Solving Display Problems (continued)
Certain typed symbols do not appear correct.
Cause
The font you are using does not support that particular symbol. Use the Character Map to locate and select the appropriate

Solving Audio Problems

If the computer has audio features and you encounter audio problems, see the common causes and
solutions listed in the following table.
Table C-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 or muted.
The external speakers are not turned on.
The audio device may be connected to the wrong jack.
External speakers plugged into the wrong audio jack on a
recently installed sound card.
164 Appendix C Troubleshooting Without Diagnostics
Solution
symbol. Click Start > All Programs > Accessories > System
Tools > Character Map. You can copy the symbol from the
Character Map into a document.
Solution
Shut down all open processor-intensive applications.
In Windows XP only:
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
computer. The speakers should be plugged into the rear line-
out jack and the headphones should be plugged into the front
headphone jack.
See the sound card documentation for proper speaker
connection.