Compaq 177620-006, Compaq Evo Desktop manual Solving Audio Problems

Troubleshooting Without Diagnostics

Solving Audio Problems (Continued)

Problem	Cause	Solution
Sound does not come out	Computer is in Stand	Press the power button to resume
of the speaker or	By mode.	from Stand By mode.
headphones. (continued)

Noise or no sound comes out of the speakers or headphones.

Computer may not be detecting the correct speaker/headphone type or output or analog-to-digital auto-sense is not engaged.

1.If you are using digital speakers that have a stereo jack and want the system to auto-switch to digital, use a stereo-to-mono adapter

to properly engage the auto-sense feature.

2.If a stereo-to-mono adapter is not available, use the multimedia device properties to manually switch the audio signal from analog to digital.

3.If the headphones have a mono jack, use the multimedia device properties to switch the system to analog out.

For information on how to change the Audio Output Mode, see Appendix D, “Setting Up Analog/Digital Audio Output.”

Troubleshooting Guide 2–19