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Sound and microphone problems
Symptom
I hear noise when con-
necting a headphone to
the computer.
I do not hear sound from
the built-in speakers.
The external micro-
phone does not work.
Certain audio files can-
not be played, and the
Codec error messages
appear.
GB-AEGT-SI/GB-AEGTN-SI
•
Check if the earphone works on another device.
• Connect the earphone to other devices, such as a radio, to 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.
•
Check if the speaker volume is set too low or is muted.
• Click the volume icon,
ume 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 con-
nected to your computer.
•
Check if the external microphone is properly connected into the microphone
jack on your computer.
•
Check if Windows Media Player is set to automatically download codecs.
• Right-click on the menu bar, select Tools from the opened 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 Windows Media Player. For
more information about available codecs, see the documentation for
Windows Media Player at the Microsoft web site.
Possible Solution
, in the system tray to check the Windows vol-
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