Sony VAIO VGN-A700 Series, User Manual

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Troubleshooting
Speakers
Why won't my speakers work?
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Make sure the speakers are properly connected and the volume is turned up loud enough to hear sound.
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Your speakers may not be designed for computer use.
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If the speakers have a mute button, set the button to off.
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If the speakers have a volume control, make sure the volume is turned up loud enough to hear sound.
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If you have connected an audio cable to the Headphones jack, disconnect the cable and use the speaker cable that was
supplied with the speakers.
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If you are using battery power, make sure the battery is installed properly and is charged.
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If the speakers require external power, make sure the speakers are connected to a power source. See the manual that
accompanied the speakers for more information.
Why can't I hear sound from my speakers?
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If the computer is using battery power, make sure the battery 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 that program's
help guide for more information.
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Your speakers may be set to mute, the volume setting may be too low, or the audio option may be disabled.
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Check the volume controls in Windows.