Sony VGN-A517B, Руководство пользователя

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Troubleshooting
Troubleshooting Sound (Speaker)
My speakers are not producing sound
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VGN-A series
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The built-in speakers may be turned off (the Mute % indicator is on). Press the Mute button to turn on the speakers.
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The speaker volume may be turned to the minimum. Press the Volume up button to increase the volume.
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VGN-FS series
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The built-in speakers may be turned off. Press the Fn+F2 keys or the S1 button (default assignment) to turn on the
speakers.
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The speaker volume may be turned to the minimum. Press the Fn+F4 keys and then the M or , key, or keep pressing
the Fn+F4 keys to increase the volume.
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If you use external speakers, check that the speakers are properly connected and the volume is turned up. If the speakers
have a mute button, make sure it is off. If batteries power the speakers, check that the batteries are inserted properly and
that they are charged.
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If you have connected an audio cable to the headphones jack, disconnect the cable.
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If the computer is powered by battery, check that the battery pack is properly installed and charged.
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If you are using an application that has its own volume control, check that the volume is turned up.
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Check the volume controls in Windows.