Справочник Пользователя для Sony computer

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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   program to set the
CPU control to Maximum Performance. Follow these steps: 
Right-click the CPU icon 
or the Profile icon
, point to Profiles, and select Maximum Performance
 P rofile ic on available on s elec ted models  only. 
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