Sony VGN-A170 - Manual (Page 145)

Enabling the sound
If you do not hear sound when playing a CD or DVD, the sound may be muted. Press the Mute button located above the
keyboard. The Mute button toggles the audio output on and off. If you still cannot hear sound, you may need to enable the
audio feature.
To enable the audio feature
1. Click Start on the Windows ® taskbar, and click Control Panel .
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 the name of the optical drive, such as DVD/CD-ROM drives 1 .
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.
1 T he read/write drive letter des ignation may vary, depending on your s ys tem's hardware c onfiguration.
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