Asus K53EXR4 user manual Speaker Down Icon F11, Decreases the speaker volume only in Windows OS

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Crossed-out Touchpad (F9): Toggles the built-in touchpad LOCKED (disabled) and UNLOCKED (enabled). Locking the touchpad will prevent you from accidentally moving the pointer while typing and is best used with an external pointing device such as a mouse. NOTE: Selected models have an indicator between the touchpad buttons will light when the touchpad is UNLOCKED (enabled) and not light when the touchpad is LOCKED (disabled).

Crossed Speaker Icons (F10): Toggles the speakers ON and OFF (only in Windows OS)

Speaker Down Icon (F11):

Decreases the speaker volume (only in Windows OS)

Speaker Up Icon (F12):

Increases the speaker volume (only in Windows OS)

Fn+C: Toggles “Splendid Video Intelligent Technology” function ON and OFF.This allows switching between different display color enhancement modes in order to improve contrast, brightness, skin tone, and color saturation for red, green, and blue independently.You can see the current mode through the onscreen display (OSD).

Fn+V: Toggles “Life Frame” software application.

Power4Gear Hybrid (Fn+Space Bar): This key toggles power savings between various power saving modes. The power saving modes control many aspects of the Notebook PC to maximize performance versus battery time. Applying or removing the power adapter will automatically switch the system between AC mode and battery mode.You can see the current mode through the on-screen display (OSD).

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 Bottom Temperature Transportation PrecautionsAdapter DC fanAirplane Precautions Cover Your Notebook PCCharge Your Batteries 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 Power Switch Camera IndicatorPower Indicator Microphone Built-inAudio Speaker System Status Indicators frontKeyboard Touchpad and ButtonsBottom Side Model Battery Lock Spring Battery Lock ManualBattery Pack Hard Disk Drive CompartmentMemory RAM Compartment Headphone Output Jack Right SideMicrophone Input Jack USB Port Optical DriveKensington Lock Port Power DC Input Left SideLAN Port Hdmi Hdmi Port Air VentsDisplay Monitor Output USB PortLeft Side Hdmi Hdmi Port Rear Side Flash Memory Slot Front SidePage Getting Started Using AC Power Power SystemPage Using Battery Power Installing and Removing the Battery PackTo install 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 FunctionsIncreases the speaker volume only in Windows OS Decreases the speaker volume only in Windows OSSpeaker Down Icon F11 Speaker Up Icon F12Extended Keyboard on selected models Microsoft Windows KeysKeyboard as a Numeric Keypad Multimedia Control Keys on selected models Begins or pauses media file playbackStops media file playback Switches Switches and Status IndicatorsFront Status IndicatorsNumber Lock Indicator Capital Lock IndicatorBattery Charge Indicator dual-color 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 Infrastructure mode Ad-hoc modeOptional 802.11 wireless LAN adaptersConnecting to a network Windows Wireless Network ConnectionPage Turning on and Launching Bluetooth Utility Bluetooth Wireless Connection on selected modelsRight-click Bluetooth Network DevicesClick Add a device to look for New devices Page Page AppendixA Optional Connections Optional AccessoriesSupport Software Operating System and SoftwareBoot Device System Bios SettingsOn the Boot screen, select Boot Option #1 Press Enter and select a device as the Boot Option #1To set the password Security SettingSave Changes Hardware Problem Optical Disc Common Problems and SolutionsHardware Problem Keyboard / Hotkey Unknown Reason System UnstableHardware Problem Battery Hardware Problem Built-in CameraHardware Problem Power ON/OFF Error Battery maintenanceMechanical Problem FAN / Thermal Hardware Problem Wireless CardSymptom & Solutions Why is the cooling fan always on and the temperature high?Software Problem Asus bundled software Blue screen with white text appears after system bootupUnknown Reason Blue screen with white text Page Press Enter to run the utility to select and update Bios Software Problem BiosRecovering Your Notebook PC Using Recovery PartitionAbout the Recovery Partition Using Recovery DVD on selected models Recover Windows to entire HD with two partitionsCreating the Recovery DVD Using the Recovery DVD Regional Playback Information DVD-ROM Drive InformationRegion Region DefinitionsCanada, US, US Territories CIS, India, Pakistan, Rest of Africa, Russia, North KoreaRegion a Blu-ray ROM Drive Information on selected modelsRegion B Region CInternal Modem Compliancy OverviewNetwork Compatibility Declaration 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 StatementCE marking for devices with wireless LAN/ Bluetooth CE marking for devices without wireless LAN/BluetoothCE Mark Warning IC Radiation Exposure Statement for CanadaFrance 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-labelGlobal Environmental Regulation Compliance and Declaration Takeback ServicesJapan JIS-C-0950 Material Declarations Korea RoHS Swiss Energy LawsCopyright Information Service and Support Limitation of LiabilityVisit our multi-language web site at http//support.asus.com