Hp compaq nx8220 světelný senzor.

Ambient Light Sensor

The notebook features a built-in light sensor that enables the notebook to automatically adjust the screen brightness according to the ambient lighting level. When the lighting of your environment changes, the ambient light sensor detects the change and automatically adjusts the screen brightness.

You can turn the ambient light sensor on and off in 3 ways
■ By pressing fn+f11
■ Through the Quick Launch Buttons software
■ Using the Quick Launch Buttons software notification area icon

✎To turn on and off the ambient light sensor using the Quick Launch Buttons software or the software icon in the notification area, the Quick Launch Buttons software must be installed.

You can turn on and off the ambient light sensor using the Quick Launch Buttons software:
1. Open the Quick Launch Buttons software:
■ Select Start > Control Panel > Printers and Other Hardware > Quick Launch Buttons icon.
– or –
■ Double-click the Quick Launch Buttons software icon in the notifications area.
2. Select the Advanced tab.
3. Select or deselect the Enable Ambient Light Sensor check box.
4. Select Apply, and then select OK.

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