Troubleshooting

Sound and microphone problems

Symptom

 

Possible solution

I hear noise when con-

Check if the earphone works well.

necting a headphone

 

- Connect the earphone to other devices, such as a radio, to

to the computer.

 

 

see if you can still hear that noise. If the noise persists, the

 

 

earphone may be out of order.

 

If you hear the noise only while inserting the earphone to the

 

 

computer, it is resulted from high instantaneous current. This

 

 

is a normal phenomenon.

 

I do not hear sound

Check if the speaker volume is set too low or is muted.

from the built-in speak-

 

- Click the volume icon,

, in the system tray to check the

ers.

 

 

 

Windows volume controls.

 

 

 

- If you are using a program which has its own volume control,

 

 

ensure the volume level is properly set.

 

Unplug your headphone and external microphone if they have

 

 

been connected to your computer.

The external micro-

Check if the external microphone is properly connected into

phone does not work.

 

the microphone jack on your computer.

Certain audio files can-

Check if Windows Media Player is set to automatically

not be played, and the

 

download codecs.

 

Codec error messages

 

- Right-click on the menu bar, select Tools from the opened

appear.

 

menu, and then click Options.

 

 

On the Player tab, in the Automatic updates area, select

 

 

Once a day, and then click Apply and OK to complete the

 

 

settings.

 

 

 

Then try playing the file again. If the audio file still cannot be

 

 

played, it might require a codec that is not supported by Win-

 

 

dows Media Player.

 

 

 

For more information about available codecs, see the docu-

 

 

mentation for Windows Media Player at the Microsoft web

 

 

site.

 

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ViewSonic VPC101 manual Sound and microphone problems