Sony PCG-NV100 VAIO User Manual page 174

There is noise distortion while listening to music with USB speakers or USB headphones.
Use the preinstalled PowerPanel
1.
Right-click the CPU: Performance Profile
The 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. The list of CPU control options appears.
4.
Click Performance.
5.
Click the File menu, and select Save.
6.
Close the Profile Editor window.
software to set the CPU control to Performance. Follow these steps:
icon on the bottom right of the taskbar, and click Edit/Create Profiles.
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