Sony VGC-JS1E/B User Manual page 124

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 muting button on the keyboard may have been pressed. Press the button once again.
❑ The volume may have been minimized by the volume down button on the keyboard. Press the volume up button several
times or keep pressing the 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 128).
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Troubleshooting