Sony PCG-R505ECP - Manual (Page 206)

VAIO® Computer User Guide
206
Troubleshooting Audio
My speakers have no sound.
❑ If the built-in speakers are turned off, press the Fn+F3 keys or use the center
Jog Dial control to turn on the speakers.
❑ If the speaker volume is turned to the minimum, press the Fn+F4 keys, then
press or to increase the volume, or you can use the center Jog Dial™
control to control the volume.
❑ If nothing is displayed when you press the Fn+F3 or Fn+F4 keys, proceed as
follows:
1 Click Start, point to Settings, and then to Control Panel.
2 Click Sounds and Multimedia. The Sounds and Multimedia Properties
dialog box appears.
3 Select the Audio tab, and click Advanced in the Sound Playback box.
The Advanced Audio Properties dialog box appears.
4 Make sure the Speakers tab is open, and the correct speaker setup is
selected in the Speaker Setup box. Click OK.
5 Click Volume in the Sound Playback box. The Volume Control dialog
box appears.
6 Make sure the mute check boxes are not selected in the Volume Control
and Stereo Wide columns.
7 Close the Volume Control dialog box.
8 Click OK.
❑ If your computer is powered by batteries, verify the battery packs are
inserted properly and are charged.
❑ If you are using an application that has its own volume control, verify the
volume is turned up.
❑ Check the volume controls in the Windows® taskbar.
❑ If you connect external speakers:
❑ Verify the speakers are properly connected and the volume is turned up.
❑ If the speakers have a mute button, make sure the button is off.