Aspire Digital 2420, 2920Z manual Taking care of your computer, Taking care of your AC adapter

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To turn the power off, do any of the following:

•Use the Windows shutdown command

Click on Start then click on Shut Down.

•Use the power button

You can also put the computer in sleep mode by pressing the sleep hotkey <Fn> + <F4>.

Note: If you cannot power off the computer normally, press and hold the power button for more than four seconds to shut down the computer. If you turn off the computer and want to turn it on again, wait at least two seconds before powering up.

Taking care of your computer

Your computer will serve you well if you take care of it.

•Do not expose the computer to direct sunlight. Do not place it near sources of heat, such as a radiator.

•Do not expose the computer to temperatures below 0 ºC (32 ºF) or above 50 ºC (122 ºF).

•Do not subject the computer to magnetic fields.

•Do not expose the computer to rain or moisture.

•Do not spill water or any liquid on the computer.

•Do not subject the computer to heavy shock or vibration.

•Do not expose the computer to dust or dirt.

•Never place objects on top of the computer.

•Do not slam the computer display when you close it.

•Never place the computer on uneven surfaces.

Taking care of your AC adapter

Here are some ways to take care of your AC adapter:

•Do not connect the adapter to any other device.

•Do not step on the power cord or place heavy objects on top of it. Carefully route the power cord and any cables away from foot traffic.

•When unplugging the power cord, do not pull on the cord itself but pull on the plug.

•The total ampere ratings of the equipment plugged in should not exceed the ampere rating of the cord if you are using an extension cord. Also, the total current rating of all equipment plugged into a single wall outlet should not exceed the fuse rating.

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Contents Aspire 2920/2920Z/2420 Series Users GuidePage Safety instructions Information for your safety and comfortTurning the product off before cleaning Using electrical power Guidelines for safe battery usage Product servicingReplacing the battery pack Potentially explosive environmentsAdditional safety information Telephone line safetyOperating environment Medical devicesVehicles Potentially explosive environmentsEmergency calls Disposal instructions Mercury advisoryTips and information for comfortable use Finding your comfort zone Taking care of your visionFederal Communications Comission Declaration of Conformity Developing good work habitsDeclaration of Conformity Xiv Basic care and tips for using your computer First things firstYour guides Turning your computer on and offTaking care of your computer Taking care of your AC adapterCleaning and servicing Taking care of your battery packPlease refer to Frequently asked questions on Xviii Contents Using the keyboard Securing your computer Power management Acer eRecovery Management Acer Empowering Technology Empowering Technology passwordAcer eNet Management Empowering Technology Acer ePower Management Using power plansTo create a new power plan To switch between power plansTo delete a power plan Battery statusAcer eAudio Management Acer ePresentation Management Acer eDataSecurity Management for selected models Acer eLock Management Empowering Technology Acer eRecovery Management Empowering Technology Acer eSettings Management Windows Mobility Center Your Acer notebook tour Top viewIcon Item Description Left view Closed front viewIcon Description Right view Rear view Base view Specifications Wlan English Acpi Indicators Function DescriptionEasy-launch buttons Icon Function DescriptionTouchpad Touchpad basics Function Left button Right button 3 Main touchpadUsing the keyboard Desired access Num Lock on Num Lock offLock keys and embedded numeric keypad Lock key DescriptionWindows keys KeyDescriptionHotkeys Special keys Euro symbolUS dollar sign Using a computer security lock Ejecting the optical CD or DVD drive trayAdjusting the volume AudioUsing the system utilities Acer GridVista dual-display compatibleLaunch Manager How do I check for viruses? Norton Internet SecuritySelect Tasks & Scans English Nothing appears on the screen Frequently asked questionsNo audio is heard from the computer Keyboard does not respond Want to set up my location to use the internal modemPrinter does not work English International Travelers Warranty ITW Requesting serviceBefore you call Battery pack characteristics Battery packMaximizing the batterys life Installing and removing the battery pack Checking the battery level Charging the batteryOptimising battery life Battery-low warning Situation Recommended ActionAcer Arcade for selected models Settings Finding and playing contentDisplay Settings Audio Settings Arcade controlsNavigation controls Player controlsBackground mode Virtual keyboardCinema Album Slide Show settingsEditing Pictures Video Playing a video fileSnapshot Editing videoMake DVDs MusicAuthoring CD/DVDs File type compatibility Acer Arcade Deluxe for selected models Remote control for selected models Remote functions Starting Acer Arcade Deluxe VideoMagicianDV Wizard DVDivineEnglish Disconnecting from the desktop Taking your notebook PC with youMoving around Preparing the computerWhat to bring to meetings Taking the computer homeWhat to take with you Traveling with the computer Setting up a home officeSpecial considerations Traveling internationally with the computer What to bring with youUsing passwords Using a computer security lockSecuring your computer Entering passwords Setting passwordsConnectivity options Expanding through optionsFax/data modem Built-in network feature Universal Serial Bus USBInserting an ExpressCard ExpressCardEjecting an ExpressCard Installing memory Bios utility Boot sequenceEnable disk-to-disk recovery PasswordPlaying DVD movies Using softwareRegion code Country or region Power management Acer eRecovery Management Create backupBurn backup disc Restore and recoveryEnglish Error messages Troubleshooting tipsError messages Corrective action English FCC notice Regulations and safety noticesOperation conditions Remarque à lintention des utilisateurs canadiens Modem noticesDeclaration of Conformity for EU countries TBR List of applicable countriesEnglish LCD pixel statement Laser compliance statementMacrovision copyright protection notice Article 3.1a Health and Safety Radio device regulatory notice GeneralEuropean Union EU Article 3.1b EMCEnglish FCC RF safety requirement English LCD panel ergonomic specifications Index CD-ROMEnglish