Sony PCG-VX88 - Manual (Page 133)

Troubleshooting Audio
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7 If the “Enable digital CD audio for this CD-ROM device,” check box is
not selected, click it to turn it on.
❑ If your computer is powered by batteries, make sure the battery packs are
properly inserted and are charged.
❑ If you are using an application that has its own volume control, verify the
volume is turned up.
❑ If you connect external speakers:
❑ Make sure the speakers are properly connected and the volume is turned
up loud enough to hear sound.
❑ If the speakers have a mute button, make sure the button is off.
❑ If the speakers are powered by batteries, make sure the batteries are
inserted properly and are charged.
❑ If you have connected an audio cable to the Headphone jack, disconnect the
cable.
❑ If you are still experiencing problems, use the Application Recovery CD(s)
to reinstall the drivers. See “Using the Application Recovery CD(s)” for
more information.
There is noise distortion while listening to music with USB
speakers or USB headphones.
Use the preinstalled PowerPanel™ software to set the CPU control to
Performance. Follow these steps:
1 Right-click the CPU: Performance Profile icon on the bottom right of the
taskbar, and click Edit/Create Profiles. The AC Power Profile Editor dialog
box appears.
2 In the left portion of the window, click the power management profile you
want to set. Maximum Battery Life is the default selection when your
computer runs on battery power.
3 In the right portion of the window, double-click CPU Control in the System
folder. A CPU control options list appears.
4 Click Performance.
5 Click the File menu, and select Save.
6 Close the AC Power Profile Editor window.
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