Samsung NP-R578-DT02SA LCD Brightness Control, Controlling the Brightness Using the Keyboard

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LCD Brightness Control

You can adjust the LCD brightness in 8 levels.

Before You Start!

The LCD brightness is the brightest (Level 8) when the computer is running on AC power, and it becomes dimmer when running on battery power.

Controlling the Brightness Using the Keyboard

You can use the screen brightness control keys after installing Windows and Easy Display Manager.

Adjust the LCD brightness by pressing the Fn +() key or the Fn +() key.

The LCD brightness can change up to 8 levels and the brightness increases by 1 level when pressing the Fn +() key once.

Maintaining the changed LCD brightness even after turning the computer on again

To maintain the LCD brightness set by using the brightness control keys or through the Power Options, follow the procedures below.

1.Turn the computer on and press the F2 key when the SAMSUNG logo appears on the screen to enter the BIOS Setup.

2.Select the Boot menu and set the Brightness Mode Control item to User Control.

3.Press the F10 key to save the settings and exit Setup.

LCD bad pixels principle of laptop 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.

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Contents User Guide Page Contents Page Chapter Page Text Notations Safety Precaution NotationsBefore You Start CopyrightAbout Memory Capacity Representation About the Product Capacity Representation StandardAbout HDD Capacity Representation Keep the plastic bags out of the reach of children Safety PrecautionsInstallation Related Do not unplug the power cord out by pulling the cable only Power RelatedDo not touch the main plug or power cord with wet hands Failing to do so may result in electric shock AC Adapter Usage Precautions Connect the power cord to the AC adapter firmlyAuthorized Parts Battery Usage RelatedPower Off Usage Related There is a danger of an explosion or fireUpgrade Related Never disassemble the power supply or AC adapterCustody and Movement Related Installation Related Battery Usage Related Use only a battery authorized by Samsung ElectronicsFailing to do so may cause electric shock hazard Do not use a damaged or modified CD/Floppy DiskNever disassemble or repair the product by yourself Check CDs for cracks and damage prior to useTake care not to throw or drop a computer part or device Do not operate or watch the computer while driving a vehicle Take care not to damage the data on a hard disk driveProper Posture During Computer Use Proper PostureEye Position Hand Position Keep your arm at a right angle as shown by the figureIllumination Volume Control Headphones and SpeakersUse Time Break Time Operation ConditionSetting Up your System Important Safety InformationSafety Instructions Instruction On Safety Operation of NotePC Care During Use Laser Safety Note Replacement Parts and AccessoriesBattery Disposal Laser Safety General Requirements Power Cord RequirementsConnect and Disconnect the AC adapter Requirements listed below are applicable to all countriesWireless Guidance Regulatory Compliance StatementsPage United States of America USA and Canada Safety Requirements and NoticesOther Wireless Devices Use in specific environmentsUnintentional Emitter per FCC Part FCC Statement for Wireless LAN use Intentional emitter per FCC PartFCC Part If fitted with a modem device Intentional Emitter per RSS CanadaUnintentional Emitter per ICES-003 Brazil European Directives European UnionEuropean Union CE Marking and Compliance Notices Manufacturer InformationPage EU R&TTE Compliance Statements Magyar MaltiMaltese HungarianGeneral European Economic Area RestrictionsLocal Restriction of 802.11b/802.11g Radio Usage BelgiumPage Weee Symbol Information Battery return systemsComputer Standard Battery AC Adapter Power Cable User Guide Basic ItemsOverview Front ViewStatus Indicators HDD/ODDUSB Port Right ViewCD DriveODD Optional Plays CD or DVD titles Microphone Jack Left ViewUSB Port or Chargeable USB Port Optional Headphone JackType B Model ESATA/USB Common Port OptionalBottom View BatteryBack View Fan VentsTurn on the computer Attaching the BatteryPower Connect the AC adapterTurn on the computer Press the Fn+ key to increase the LCD brightnessPage Chapter Fn+ KeyboardShortcut Keys FunctionCenter Fan Silent Mode Low in the Bios Setup.Support With the system software media disk. Only for XPNumeric Key Volume ControlScreen Brightness Control Touchpad Eject Button Status Indicator Emergency HoleInserting and Ejecting a CD Multi Card Slot Optional To Insert and Use a Memory CardExpressCard Slot Optional To insert a cardChapter LCD Brightness Control Controlling the Brightness Using the KeyboardInstructions for Cleaning the LCD  LCD bad pixels principle of laptop computerBios Setup Entering the Bios SetupSetting a User Password Setting a Boot PasswordSetting a Supervisor Password Setting Up a Boot Password Deactivating the PasswordFixing Screw Memory Slot Upgrading MemoryAdding a Memory Module Removing a memory module Precautions BatteryInstalling/Removing the Battery Charging the Battery Page Chapter Product Specifications Registered Trademarks Energy Star PartnerPage BA81-08958A13100715
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