18 Users ManualAdjusting LCD BrightnessThere are 8 levels of LCD brightness (1: Dimmest ~ 8: Brightest).Press +< / > or +< / > keys from the keyboard to adjust LCDbrightness. When changed, the current LCD brightness is displayed on the top leftcorner of the LCD screen for a few seconds.Whenever you turn the system on or change the power source the brightness levelchanges according to the settings.• when operating on AC power: Brightness Level 8• when operating on battery power: Basically set levelMaintaining your LCD brightness settings after turning the system offand on1. Turn on the system, and press to enter Setup.2. In the Boot menu, change the Brightness Control Mode option to UserControl.3. Save the settings and exit Setup.To save the battery chargeWhen your computer is operating on battery power, adjusting the LCDbrightness level to a dimmer setting diminishes the battery powerconsumption.Bad pixels in the LCDThe limits of the LCD manufacturing technology allow a maximum of 10abnormal or bad pixels, which do not affect system performance. This systemmay have the same level of abnormal or bad pixels as any other company’sproducts.Maintenance InstructionsWhen cleaning the LCD panel, use only computer specific cleaners on a softcloth, and lightly wipe in one direction.