Sony VAIO VGC-LV200 Series User Manual page 187

What should I do if I do not hear sound from the built-in speakers?
❑ If you are using a program that has its own volume control, make sure the volume control is properly set. See the
program's help file for more information.
❑ The volume may have been turned off by the muting button on the wireless keyboard or the remote commander. Press
the button once again.
❑ The volume may have been minimized by the volume down button on the wireless keyboard or the remote commander.
Press the volume up button to turn up the volume loud enough to hear sound.
❑ Check the Windows volume controls by clicking the volume icon on the taskbar.
❑ Your sound output device may have been incorrectly configured. To change the sound output device, see How do I
change the sound output device? (page 193).
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Troubleshooting