Samsung NP900X4C-A01US LCD Brightness Control, Controlling the Brightness Using the Keyboard

LCD Brightness Control

The screen brightness is automatically set 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 time.

Controlling the Brightness Using the Keyboard

1	Click the Charms menu > Settings		> Screen
	Adjustment icon	.
2	Adjust the brightness with the screen brightness control bar.

Chapter 3. 61

Using the computer

•• 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.