Sony PCG-GRT230 VAIO User Manual page 169

Why do I hear noise distortion while listening to music with speakers or headphones?
You may experience noise distortion while listening to music with speakers or headphones if the CPU control is set to
Automatic Profile Selection. If your computer is using battery power, use the preinstalled PowerPanel
CPU control to Maximum Performance. Follow these steps:
 Right-click the CPU icon
P rofile ic on available on s elec ted models only.
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or the Profile icon , point to Profiles, and select Maximum Performance.
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program to set the
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