Sony VAIO VGC-JS Series, Руководство пользователя

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Troubleshooting
Speakers
What should I do if my external speakers do not work?
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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.
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Make sure your speakers are properly connected and the volume is turned up loud enough to hear sound.
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Make sure your speakers are designed for computer use.
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If your speakers have a muting button, set the button to off.
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The volume may have been turned off by the muting button on the keyboard. Press the button once again.
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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.
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If your speakers require external power, make sure the speakers are connected to a power source. See the manual that
came with your speakers for more information.
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Check the Windows volume controls by clicking the volume icon on the taskbar.
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Your sound output device may have been incorrectly configured. To configure the sound output device, see How do I
change the sound output device? (page 130) .