Sony PCG-FXA59 User Manual page 119

Troubleshooting Audio
My speakers make no sound.
If the built-in speakers are turned off, press Fn+F3 to turn on the speakers. If the speaker volume is turned to the

minimum, press Fn+F4 to increase the volume and press Shift+Fn+F4 to decrease the volume.
 If nothing is displayed when you press Fn+F3 or Fn+F4:
1. Click Start, Control Panel, Performance and Maintenance, and System. Select the Hardware tab and
click Device Manager.
2.
Set the sound device to enable in the Device Manager dialog box.
 If your notebook is powered by batteries, check that the battery packs are inserted properly and are 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 the Windows
If you connect 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 the speakers are powered by batteries, check that the
batteries are inserted properly and that they are charged.
 If you have connected an audio cable to the Headphone jack, disconnect the cable.
 If you are still experiencing problems, use the supplied Driver Recovery CD to reinstall the drivers. See
Driver Recovery CD(s)
taskbar.
®
for more information.
To use the
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