[KB140005][BIOS][BRIGHTNESS][KDS66]adjust the LCD brightness of KDS66T from BIOS

To adjust the LCD brightness of KDS66T from BIOS

1. Keep striking Del to enter BIOS setup while system powered on.

2. Strike Enter on PC Health Status

3. Strike enter on the LCD Back Light Control to select the required brightness level.

4. After set the required brightness level, strike F10 -> Y -> Enter to save and exit the BIOS setup.  Finished.