Sony PCG-R505JSP Manual

Click Start, point to Settings, point to Control panel, then double-click 
System. The System Properties dialog box appears.

Click the Device Manager tab.

Set the sound device to enable.

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If your notebook is powered by batteries, verify that the battery packs are 
inserted properly and that they are charged.

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

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Check the volume controls in the Windows® taskbar.

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If you connect external speakers:

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Verify that the speakers are properly connected and the volume is turned 
up. 

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If the speakers have a mute button, make sure the button is off. 

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

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If you have connected an audio cable to the Headphone jack, disconnect the 
cable.

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If you are still experiencing problems, use the Driver Recovery CD to 
reinstall the drivers. See “To use the Driver Recovery CD(s)” on page 55 for 
more information.

If you are using an external microphone, verify that the microphone is plugged 
into the Microphone jack. See “Connecting an External Microphone” in the 
online user guide for more information.

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The default setting for the printer port mode is correct for most printers. If 
you cannot print, try changing the printer port mode. In the Sony Notebook 
Setup screen, select the Printer tab. If the printer port mode is set to ECP, 
change it to bi-directional. If the printer port mode is set to bi-directional, 
change it to ECP. See “Displaying the Sony Notebook Setup Screen” in the 
online user guide for information on using Sony Notebook Setup.