Sony VAIO VGN-UX300 Series, Руководство пользователя

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Troubleshooting
Speakers
What should I do if my speakers do not work?
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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 speaker volume may have been turned off with VAIO Touch Launcher. Check the software for volume control.
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If you have connected an audio cable to the headphones jack, disconnect the cable and use the speaker cable supplied
with your speakers.
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If you are using battery power, make sure the battery pack is installed properly and is charged.
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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.
What should I do if I cannot hear sound from my speakers?
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If your computer is using battery power, make sure the battery pack is properly installed and is charged.
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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 the speaker volume is turned up loud enough and the audio option is enabled.
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The speaker volume may have been turned off with VAIO Touch Launcher. Check the software for volume control.
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Check the Windows volume controls by clicking the volume icon on the taskbar.