Sony PCV-RS221 - Vaio Desktop Computer, Руководство пользователя

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About the Speakers
Why is there no sound in any application?

Check that the speakers are plugged into the Headphones jack.

If your speakers have a mute button, verify that it is turned off.
 If your speakers are powered by batteries, verify that the batteries are inserted properly and that they are
charged.

If your speakers use an external power source, verify that the power cord is plugged into a grounded wall outlet or
power strip.

If your speakers have volume control, check the volume level.
 You cannot hear sound from your speakers if headphones are connected to your computer.
 If the software application you are using has its own volume control, check that the volume is turned up.
 Verify that the mute button on your keyboard is turned off. The mute button is located above the function keys. Use
the keyboard's volume controls to adjust the volume level.

Check the volume controls in the Windows
®
operating system using these steps:
1. Click Start in the Windows taskbar, then select Control Panel .
2. Select Sounds, Speech, and Audio Devices , then click Adjust the system volume .
3. 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.

Check that the Mute check box is not selected in the Windows volume control.
You may need to reinstall the sound drivers. See Application Recovery to reinstall VAIO Driver.
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