Sony VGN-CR21E/L User Manual page 112

Changing the default illumination lamp activity
The illumination lamp on the bottom of your computer illuminates depending on your actions or the computer's status. You
can change this default activity of the lamp to make it stay unlit by following these steps:
1 Click Start, All Programs, and VAIO Control Center.
The VAIO Control Center window appears.
2 Click Illumination LED Setting in Others.
3 Click to cancel the Enable the Illumination LED check box.
4 Click OK.
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Customizing Your VAIO Computer
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