Samsung NP-R428-DB01VN Using the Battery Calibration Function, Move to the Boot Smart Battery

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Using the Battery Calibration Function

When charging/discharging the battery repeatedly for a short time only, the battery usage time may be reduced by the difference between the actual battery charge and the remaining charge display.

In this case, the actual battery charge and the remaining charge display will be the same by discharging the battery completely using the Battery Calibration function, and then recharging it again.

1

Disconnect the AC power adapter after

turning off the computer.

2

Restart your computer and press the

F2 button when the Samsung logo

appears, to start the BIOS Setup.

3

Move to the Boot > Smart Battery

Calibration item using the direction

keys and press <Enter>.

4

Highlight Yes in the Battery Calibration

Confirmation window and press

<Enter>.

The Battery Calibration function is activated and the battery is forcefully discharged. To stop the operation, press the (Esc) button.

This operation requires 3~5 hours depending on the battery capacity and the remaining battery charge.

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Contents User Guide Page Contents Page Chapter Page Safety Precaution Notations Before You StartText Notations CopyrightAbout HDD Capacity Representation About the Product Capacity Representation StandardAbout Memory Capacity Representation Installation Related Safety PrecautionsKeep the plastic bags out of the reach of children Power Related There is a danger of electric shockAC Adapter Usage Precautions Connect the power cord to the AC adapter firmlyBattery Usage Related Authorized PartsUsage Related There is a danger of an explosion or fireUpgrade Related Custody and Movement Related Failing to do so, may cause electric shockUse only a battery authorized by Samsung Electronics Installation Related Battery Usage RelatedDo not place a heavy object over the product Repairing the product Failing to do so may cause electric shock hazardTake care when touching the product or parts Take care not to throw or drop a computer part or deviceDo 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 figureCheck your volume first to listen to music Volume Use Time Break TimeIllumination Operation ConditionImportant Safety Information Setting Up your SystemInstruction On Safety Operation of NotePC Care During UseReplacement Parts and Accessories  Laser Safety NoteGeneral Requirements Do not unplug the power cord out by pulling the cable onlyRequirements listed below are applicable to all countries Wireless Guidance Regulatory Compliance StatementsPage USA and Canada Safety Requirements and Notices Other Wireless DevicesUse in specific environments Explosive Device ProximityUnintentional Emitter per FCC Part FCC Statement for Wireless LAN use Intentional emitter per FCC PartFCC Part If fitted with a modem device Unintentional Emitter per ICES-003 Intentional Emitter per RSSBrazil European Directives European Union CE Marking and Compliance NoticesManufacturer Information EU R&TTE Compliance Statements Malti MalteseMagyar HungarianEuropean Economic Area Restrictions Local Restriction of 802.11b/802.11g Radio UsageGeneral BelgiumPage Weee Symbol Information Battery return systemsComputer Standard Battery AC Adapter Power Cable User Guide Basic ItemsOverview Front ViewStatus Indicators Caps LockUSB Port Right ViewSecurity Lock Port Left View ESATA/USB CommonPort Chargeable USB Port Optional Microphone JackBack View BatteryBottom View Attaching the Battery PowerTurn on the computer Connect the AC adapterTurn on the computer LEDUsing Sleep Mode Using Sleep Mode in Windows Vista/7Using Stand by Mode in Windows XP Click Start Turn Off Computer Stand ByPage Chapter Keyboard Shortcut KeysFn+ FunctionManager program with the system software media disk SupportCenter For some models, Samsung Magic Doctor isTurns the wireless LAN function on or off in models with Wireless LAN capabilityScreen Brightness Control Volume ControlNumeric Key Touchpad Touchpad Left ButtonTouchpad LED Optional Scroll AreaStatus Indicator Emergency Hole Eject Button Inserting and Ejecting a CDPage To Insert and Use a Memory Card Multi Card Slot OptionalExample SD Card Using a Mini SD snd RS-MMC To remove a memory cardTo format a memory card Click Start My computerTo insert a card ExpressCard Slot OptionalExpressCard Slot Adjusting the Volume using the Keyboard Adjusting the VolumeMute Measuring the Remaining Battery Charge ChapterControlling the Brightness Using the Keyboard Instructions for Cleaning the LCDLCD Brightness Control  LCD bad pixels principle of laptop computerBios Setup Entering the Bios SetupBios Setup Screen System Setup Keys F5/F6Setting a Boot Password Setting a Supervisor PasswordSetting a User Password Set Supervisor Password itemSetting Up a Boot Password Deactivating the PasswordPriority item Changing the Boot PriorityType B Model Adding a Memory Module Upgrading MemoryMemory Slot Fixing Screw Removing a memory module Installing/Removing the Battery BatteryPrecautions Charging the Battery To use the shortcut key to viewExtending the Battery Usage Time To view on the batteryBattery Usage Time Information Battery WarningMove to the Boot Smart Battery Using the Battery Calibration FunctionHighlight Yes in the Battery Calibration Using the Security Lock Port Page Chapter Product Specifications Registered Trademarks Energy Star PartnerPage Page BA81-08985A12100115