HP dc5750 manual 7Solving Audio Problems, Sound cuts in and out Cause Solution

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 2-7Solving Audio Problems

Sound cuts in and out.

Cause	Solution
Processor resources are being used by other open	Shut down all open processor-intensive applications.
applications.
Direct sound latency, common in many media player	In Windows XP:
applications.	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.

Sound does not come out of the speaker or headphones.

Cause Solution

Software volume control is turned down.

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.

Audio is hidden in Computer Setup.	Enable the audio in Computer Setup: Security >
	Device Security > Audio.
The external speakers are not turned on.	Turn on the external speakers.
The audio device may be connected to the wrong jack on the	Ensure that the device is connected to the correct jack on the
rear of the computer or the jack has been retasked to perform	rear of the computer. If the correct jack is being used and the
a different function.	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.
External speakers plugged into the wrong audio jack on a	See the sound card documentation for proper speaker
recently installed sound card.	connection.
Digital CD audio is not enabled.	Enable digital CD audio:
	1.	From the Control Panel, select System.
	2.	On the Hardware tab, click the Device Manager button.

26 Chapter 2 Troubleshooting Without Diagnostics ENWW