Sony PCG-C1MHP User Manual

Page of 122
Sony 
Notebook U
s
er Guide
Getting help
94
About sound
My speakers are not producing sound
The built-in speakers may be turned off. Press <Fn>+<F3> to turn on the speakers.
The speaker volume may be turned to the minimum. Press <Fn>+<F4>, and then press 
 
or 
 
to increase 
the volume.
If your computer is powered by battery, check that the battery is inserted properly and that it is charged.
If you are using an application that has its own volume control, check that the volume is turned up.
Check the volume controls in Windows
®
.
If you use external speakers, check that the speakers are properly connected and the volume is turned 
up. If the speakers have a mute button, make sure it is off. If batteries power the speakers, check that 
the batteries are inserted properly and that they are charged.
If you have connected an audio cable or a set of headphones to the headphone connector, disconnect 
the cable.
My microphone does not work
If you are using an external microphone, check that the microphone is plugged into the microphone 
connector correctly.
An error message appears when using voice-related software programs
Double-click Yamaha AC-XG in Control Panel. Open the Echo tab and deselect the Enable check box. 
Click Apply and then OK.
If you are using several voice-related software programs at the same time, close them.