Sony PCG-GRX690P VAIO User Manual page 139

Enabling the audio feature
If you do not hear sound when playing a CD or DVD, you may need to enable the audio feature.
To enable the audio feature
1.
Click Start on the Windows
2.
Click Performance and Maintenance, and click System. The System Properties window appears.
3.
Select the Hardware tab, and click Device Manager. The Device Manager window, which lists the hardware
devices, appears.
4.
Double-click DVD/CD-ROM drives.
5.
Double-click the listed drive name, and click the Properties tab.
6. Click the Enable digital CD audio for this CD-ROM device check box if it is not already selected.
taskbar, and click Control Panel.
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