Sony PCV-RX830 Handbuch

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Check that the speakers are plugged into the Headphones jack.

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If your speakers have a mute button, verify that it is turned off.

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If your speakers are powered by batteries, verify that the batteries are 
inserted properly and that they are charged.

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If your speakers use an external power source, verify that the power cord is 
plugged into a grounded wall outlet or power strip.

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If your speakers have volume control, check the volume level.

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You cannot hear sound from your speakers if headphones are connected to 
your computer.

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If the software application you are using has its own volume control, check 
that the volume is turned up.

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Check the volume controls in the Windows® operating system using these 
steps:

Click Start in the Windows taskbar, then select Control Panel.

Select Sounds, Speech, and Audio Devices, then click Adjust the 
system volume.

From the Volume tab, adjust the Device volume by moving the slider 
bar to the desired sound level. Verify that the Mute option is not 
selected.

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Check that the Mute check box is not selected in the Windows volume 
control.

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You may need to reinstall the sound drivers. See “Reinstalling device drivers using 
Application Recovery CD(s)” for more information.