Why don�t the Fn+F3 or the Fn+F4 key combinations work? The computer may not recognize the Fn+F3 and Fn+F4 key combinations if the correct speakers are not selected. Follow these steps: 1 2 3 4 Right-click the Volume icon Properties. on the taskbar, and select Adjust Audio
Select the Audio tab, and click Advanced in the Sound Playback box. The Advanced Audio Properties window appears. Click the Speakers tab, if it is not already selected. Select the correct stereo speakers from the Speaker setup shortcut menu.
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. Use the preinstalled PowerPanel� software to set the CPU control to Performance or Battery Life. If you are using a memory-intensive application, set the CPU to Performance.* Follow these steps: 1 2 Right-click the CPU icon on the Windows® taskbar, and click Edit/Create Profiles. The Profile Editor window appears. In the left panel, click the power management profile that you want to set. Maximum Battery Life is the default selection when your computer is running on battery power. In the right panel, double-click either CPU Control (Plugged in) or CPU Control (Running on batteries), depending on the power source you are using. A menu of CPU Control options appears. Select an option. If you are using a memory-intensive program, set the CPU control to Performance. Click the File menu, and click Save. Close the Profile Editor window.
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* Applicable to models with a Crusoe� processor.
