Sony PCG-K12P VAIO User Manual page 125

Frequently asked questions
Why won't my speakers work?

Make sure the speakers are properly connected and the volume is turned up loud enough to hear sound.
 Your speakers may not be designed for computer use.
 If the speakers have a mute button, set the button to off.
 If the speakers have a volume control, make sure the volume is turned up loud enough to hear sound.

If you have connected an audio cable to the Headphone jack, disconnect the cable and use the speaker cable that
was supplied with the speakers.
 If you are using battery power, make sure the battery(s) is inserted properly and is charged. See
for more information.
 If the speakers require external power, make sure the speakers are connected to a power source. See the guide
that accompanied the speakers for more information.
Why can't I hear sound from my speakers?
 If the computer is using battery power, make sure the battery is properly inserted and is charged. See
Battery for more information.
 If you are using a program that has its own volume control, make sure the volume control is properly set. See that
program's help guide for more information.
 Your speakers may be set to mute, the volume setting may be too low, or the audio option may be disabled. See
Adjusting the volume
Why don't the Fn+F2, Fn+F3, and Fn+F4 key combinations work?
The Fn+F2 keys toggle the built-in speaker mute option on and off. The Fn+F3 and the Fn+F4 keys adjust the built-in
speaker volume. The computer may not recognize the Fn+F3 and Fn+F4 keys if the correct speakers are not selected.
Follow these steps:
1. Right-click the Volume icon
2. On the Volume tab, click Advanced in the Speaker settings box. The Advanced Audio Properties window
appears.
3. On the Speakers tab, select the correct speaker setup from the Speaker setup drop-down menu.
and Enabling the audio feature
on the taskbar, and select Adjust Audio Properties.
for more information.
Using the Battery
Using the
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