Samsung NP900X3F User Manual Windows 8 Ver.1.8 (English) - Page 62
LCD Brightness Control
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LCD Brightness Control The screen brightness is automaticallyáᔪset to the brightest level when AC power is connected and the brightness is automatically set dimmer when the computer runs on battery power to extend the battery use timeŖ.ᮁ ᯲ Controlling the Brightness Using the Keyboard ᰆ⊹ 1 Click the Charms menu > Settings > Screen ᖅᱶ Adjustment icon . 2 Adjust the brightness with the screen brightness control bar. ⦽ Chapter 3. Using the computer 61 •• Saving battery power consumption Decreases the LCD brightness when the computer is running on battery power to save battery power consumption. •• LCD bad pixels principle of computer Samsung observes the specifications regarding strict quality and reliability of LCD. But in spite of that, it is inevitable that there might be a small number of bad pixels. A large number of bad pixels can cause problems in appearance, but a small number of pixels doesn't affect the computer performance. Therefore Samsung observes and manages the following dot principles: - Bright dot : 2 or less - Black dot : 4 or less - Combination of Bright and Dark : 4 or less Instructions for Cleaning the LCD Clean the LCD panel with a soft cloth lightly moistened with computer cleansing detergent moving in one direction. Cleaning the LCD panel with excessive force can damage the LCD.