Acer 4120 manual Battery-low warning, Situation Recommended Action

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Battery-low warning

When using battery power pay attention to the Windows power meter.

Warning: Connect the AC adapter as soon as possible after the battery-low warning appears. Data will be lost if the battery to become fully depleted and the computer shuts down.

When the battery-low warning appears, the recommended course of action depends on your situation:

Situation	Recommended Action

English

The AC adapter and a power outlet are available.

1.Plug the AC adapter into the computer, and then connect to the mains power supply.

2.Save all necessary files.

3.Resume work.

Turn off the computer if you want to recharge the battery rapidly.

An extra fully charged battery pack is available.

1.Save all necessary files.

2.Close all applications.

3.Shut down the operating system to turn off the computer.

4.Replace the battery pack.

5.Turn on the computer and resume work.

The AC adapter or a power outlet is unavailable. You have no spare battery pack.

1.Save all necessary files.

2.Close all applications.

3.Shut down the operating system to turn off the computer.

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Contents Users Guide Extensa 4420/4120 SeriesPage Information for your safety and comfort Safety instructionsTurning the product off before cleaning Using electrical power Product servicing Guidelines for safe battery usagePotentially explosive environments Replacing the battery packTelephone line safety Additional safety informationOperating environment Medical devicesPotentially explosive environments VehiclesMercury advisory Emergency calls Disposal instructionsTips and information for comfortable use Taking care of your vision Finding your comfort zoneDeveloping good work habits First things first Basic care and tips for using your computerYour guides Turning your computer on and offTaking care of your AC adapter Taking care of your computerTaking care of your battery pack Cleaning and servicingPlease refer to Frequently asked questions on Xvi Contents Using a computer security lock Audio Acer eRecovery Management Page Empowering Technology password Acer Empowering TechnologyAcer eNet Management Empowering Technology Using power plans Acer ePower ManagementTo create a new power plan To switch between power plansBattery status To delete a power planAcer ePresentation Management Acer eDataSecurity Management for selected models Acer eLock Management Empowering Technology Acer eRecovery Management Empowering Technology Acer eSettings Management Windows Mobility Center for Windows Vista only Empowering Technology Your Acer notebook tour Front viewDescription Launch buttons on page 26 for more details Easy-launch buttons on page 26 for more detailsIcon Description Closed front view# Icon Description Left viewRear view Right viewBase view Specifications English English English Icon Function Description IndicatorsEasy-launch buttons Icon Easy-launch button Default applicationIcon Productivity key Default application Touchpad basics TouchpadFunction Left Right Main touchpad Center button Button Desired access Num Lock on Num Lock off Using the keyboardLock keys and embedded numeric keypad Lock key DescriptionKeyDescription Windows keysHotkeys Fn + ↓ Hotkey Icon Function Description Fn + ↑Fn + → Fn + ←Euro symbol Special keysUS dollar sign Ejecting the optical CD or DVD drive tray Using a computer security lock Audio Adjusting the volumeAcer GridVista dual-display compatible Using the system utilitiesLaunch Manager Norton Internet Security How do I check for viruses?Select Tasks & Scans NTI Shadow Frequently asked questions Nothing appears on the screenImage is not full-screen Keyboard does not respond No audio is heard from the computerInfrared port does not work Printer does not workWant to set up my location to use the internal modem Requesting service International Travelers Warranty ITWBefore you call Battery pack Battery pack characteristicsMaximizing the batterys life Installing and removing the battery pack Charging the battery Checking the battery levelOptimising battery life Situation Recommended Action Battery-low warningTaking your notebook PC with you Disconnecting from the desktopMoving around Preparing the computerTaking the computer home What to bring to meetingsWhat to take with you Setting up a home office Traveling with the computerSpecial considerations What to bring with you Traveling internationally with the computerUsing a computer security lock Using passwordsSecuring your computer Setting passwords Entering passwordsExpanding through options Connectivity optionsFax/data modem Fast Infrared FIR Built-in network featureIeee 1394 port Universal Serial Bus USBPC Card slot Inserting a PC CardEjecting a PC Card Bios utility Boot sequenceInstalling memory Password Enable disk-to-disk recoveryUsing software Playing DVD moviesCreate backup Acer eRecovery ManagementRestore and recovery Burn backup discTroubleshooting tips Error messagesError messages Corrective action English Regulations and safety notices FCC noticeOperation conditions Modem notices Remarque à lintention des utilisateurs canadiensDeclaration of Conformity for EU countries List of applicable countries TBREnglish Laser compliance statement LCD pixel statementMacrovision copyright protection notice Radio device regulatory notice General Article 3.1a Health and SafetyEuropean Union EU Article 3.1b EMCEnglish FCC RF safety requirement English LCD panel ergonomic specifications USA EN60950-12001 EN600652002 applied to models with TV function Acer Computer Shanghai LimitedIndex English