Sony VAIO VGN-AR 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. Press the button once again.
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The volume may have been minimized by the volume ( - ) button. Press the volume ( + ) 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, follow these steps:
1 Close all open programs.
2 Click Start and Control Panel .
3 Click Hardware and Sound .
4 Click Manage audio devices under Sound .
5 On the Playback tab, select the desired device for sound output and click Set Default .