Asus K53EXR4 user manual Battery Care, To remove the battery pack

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To remove the battery pack:

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IMPORTANT! Only use battery packs and power adapters supplied with this Notebook PC or specifically approved by the manufacturer or retailer for use with this model or else damage may occur to the Notebook PC.

Battery Care

The Notebook PC’s battery pack, like all rechargeable batteries, has a limit on the number times it can be recharged.The battery pack’s useful life will depend on your environment temperature, humidity, and how your Notebook PC is used. It is ideal that the battery be used in a temperature range between 10˚C and 35˚C (50˚F and 95˚F).You must also take into account that the Notebook PC’s internal temperature is higher than the outside temperature. Any temperatures above or below this range will shorten the life of the battery. But in any case, the battery pack’s usage time will eventually decrease and a new battery pack must be purchased from an authorized dealer for this Notebook PC. Because batteries also have a shelf life, it is not recommended to buy extras for storing.

WARNING! For safety reasons, DO NOT throw the battery in fire, DO NOT short circuit the contacts, and DO NOT disassemble the battery. If there is any abnormal operation or damage to the battery pack caused by impact, turn OFF the Notebook PC and contact an authorized service center.

Notebook PC User Manual

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Contents E6459 February Table of Contents Appendix Chapter Using the Notebook PCReach A-29 Introducing About This User’s Manual Safety Precautions Sound Pressure DC fan Transportation PrecautionsBottom Temperature AdapterCharge Your Batteries Airplane PrecautionsCover Your Notebook PC Preparing your Notebook PC These are quick instructions for using your Notebook PCOpening the LCD display panel Chapter Model Top SideEsc Tab Caps lock Shift Ctrl Alt F10 F11 F12 Microphone Built-in Camera IndicatorPower Switch Power IndicatorTouchpad and Buttons Status Indicators frontAudio Speaker System KeyboardBottom Side Model Hard Disk Drive Compartment Battery Lock ManualBattery Lock Spring Battery PackMemory RAM Compartment USB Port Optical Drive Right SideHeadphone Output Jack Microphone Input JackKensington Lock Port LAN Port Power DC InputLeft Side USB Port Air VentsHdmi Hdmi Port Display Monitor OutputLeft Side Hdmi Hdmi Port Rear Side Flash Memory Slot Front SidePage Getting Started Using AC Power Power SystemPage To install the battery pack Using Battery PowerInstalling and Removing the Battery Pack To remove the battery pack Battery CarePower-On Self Test Post Powering on the Notebook PCSelf Monitoring and Reporting Technology Checking Battery Power Charging the Battery Pack Restarting or Rebooting Power OptionsEmergency Shutdown Power Management Modes Sleep and Hibernate Thermal Power Control Colored Hot Keys Special Keyboard FunctionsSpeaker Up Icon F12 Decreases the speaker volume only in Windows OSIncreases the speaker volume only in Windows OS Speaker Down Icon F11Extended Keyboard on selected models Microsoft Windows KeysKeyboard as a Numeric Keypad Stops media file playback Multimedia Control Keys on selected modelsBegins or pauses media file playback Switches Switches and Status IndicatorsFront Status IndicatorsBattery Charge Indicator dual-color Number Lock IndicatorCapital Lock Indicator Bluetooth / Wireless Indicator Drive Activity IndicatorUsing the Notebook PC Pointing Device Moving The Pointer Using the TouchpadTouchpad Usage Illustrations Dragging-Clicking Page Automatic Touchpad Disabling Caring for the TouchpadPage Flash Memory Card Reader Storage DevicesHard Disk Drive Removing the hard disk drive Installing the hard disk drive Memory RAM Installing a Memory Card Removing a Memory CardNetwork Connection ConnectionsTwisted-Pair Cable Wireless LAN Connection on selected models LAN adapters Ad-hoc modeInfrastructure mode Optional 802.11 wirelessConnecting to a network Windows Wireless Network ConnectionPage Turning on and Launching Bluetooth Utility Bluetooth Wireless Connection on selected modelsClick Add a device to look for New devices Right-click BluetoothNetwork Devices Page Page AppendixA Optional Connections Optional AccessoriesSupport Software Operating System and SoftwarePress Enter and select a device as the Boot Option #1 System Bios SettingsBoot Device On the Boot screen, select Boot Option #1To set the password Security SettingSave Changes Unknown Reason System Unstable Common Problems and SolutionsHardware Problem Optical Disc Hardware Problem Keyboard / HotkeyBattery maintenance Hardware Problem Built-in CameraHardware Problem Battery Hardware Problem Power ON/OFF ErrorWhy is the cooling fan always on and the temperature high? Hardware Problem Wireless CardMechanical Problem FAN / Thermal Symptom & SolutionsUnknown Reason Blue screen with white text Software Problem Asus bundled softwareBlue screen with white text appears after system bootup Page Press Enter to run the utility to select and update Bios Software Problem BiosAbout the Recovery Partition Recovering Your Notebook PCUsing Recovery Partition Creating the Recovery DVD Using Recovery DVD on selected modelsRecover Windows to entire HD with two partitions Using the Recovery DVD Regional Playback Information DVD-ROM Drive InformationCIS, India, Pakistan, Rest of Africa, Russia, North Korea Region DefinitionsRegion Canada, US, US TerritoriesRegion C Blu-ray ROM Drive Information on selected modelsRegion a Region BNetwork Compatibility Declaration Internal Modem CompliancyOverview Non-Voice Equipment Country Applied Page Federal Communications Commission Statement Declarations and Safety StatementsDeclaration of Conformity R&TTE directive 1999/5/EC FCC Radio Frequency RF Exposure Caution StatementIC Radiation Exposure Statement for Canada CE marking for devices without wireless LAN/BluetoothCE marking for devices with wireless LAN/ Bluetooth CE Mark WarningFrance Restricted Wireless Frequency Bands Wireless Operation Channel for Different DomainsBas Rhin Oise Orne Puy du DômeDo not use the Notebook PC in the vicinity of a gas leak UL Safety NoticesTV Tuner Notices Power Safety RequirementJapanese Nordic Lithium Cautions for lithium-ion batteriesService warning label Cdrh Regulations Optical Drive Safety Information Laser Safety InformationMacrovision Corporation Product Notice CTR 21 Approval For Notebook PC with built-in Modem Spanish Swedish Energy Star complied product European Union Eco-labelKorea RoHS Swiss Energy Laws Takeback ServicesGlobal Environmental Regulation Compliance and Declaration Japan JIS-C-0950 Material DeclarationsCopyright Information Visit our multi-language web site at http//support.asus.com Service and SupportLimitation of Liability