Sony PCG-FXA49 - Manual (Page 101)

Troubleshooting Audio
101
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® taskbar.
❑ 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 “To use the Driver Recovery CD(s)” for more
information.
My microphone does not work.
If you are using an external microphone, check that the microphone is plugged
into the Microphone jack. See “Connecting an External Microphone” for more
information.
I cannot hear sound when playing a CD.
Complete the following procedure to ensure the audio function is turned on.