Acer 4520 manual Finding your comfort zone, Taking care of your vision

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•coldness or weakness

If you have these symptoms, or any other recurring or persistent discomfort and/or pain related to computer use, consult a physician immediately and inform your company's health and safety department.

The following section provides tips for more comfortable computer use.

Finding your comfort zone

Find your comfort zone by adjusting the viewing angle of the monitor, using a footrest, or raising your sitting height to achieve maximum comfort. Observe the following tips:

•refrain from staying too long in one fixed posture

•avoid slouching forward and/or leaning backward

•stand up and walk around regularly to remove the strain on your leg muscles

•take short rests to relax your neck and shoulders

•avoid tensing your muscles or shrugging your shoulders

•install the external display, keyboard and mouse properly and within comfortable reach

•if you view your monitor more than your documents, place the display at the center of your desk to minimize neck strain

Taking care of your vision

Long viewing hours, wearing incorrect glasses or contact lenses, glare, excessive room lighting, poorly focused screens, very small typefaces and low-contrast displays could stress your eyes. The following sections provide suggestions on how to reduce eyestrain.

Eyes

•Rest your eyes frequently.

•Give your eyes regular breaks by looking away from the monitor and focusing on a distant point.

•Blink frequently to keep your eyes from drying out.

Display

•Keep your display clean.

•Keep your head at a higher level than the top edge of the display so your eyes point downward when looking at the middle of the display.

•Adjust the display brightness and/or contrast to a comfortable level for enhanced text readability and graphics clarity.

•Eliminate glare and reflections by:

•placing your display in such a way that the side faces the window or any light source

•minimizing room light by using drapes, shades or blinds

•using a task light

•changing the display's viewing angle

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Contents Aspire 4520/4520G/4220 Series Users GuidePage Safety instructions Information for your safety and comfortTurning the product off before cleaning Using electrical power Replacing the battery pack Product servicingOperating environment Additional safety informationTelephone line safety Medical devicesVehicles Potentially explosive environmentsEmergency calls Disposal instructions Mercury advisoryTips and information for comfortable use Finding your comfort zone Taking care of your visionDeveloping good work habits Your guides Basic care and tips for using your computerFirst things first 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 Contents Using the system utilities Securing your computer Power management Acer eRecovery Management Acer Empowering Technology Empowering Technology passwordAcer eNet Management for selected models Empowering Technology To create a new power plan Acer ePower Management for selected modelsUsing power plans To switch between power plansTo delete a power plan Battery statusAcer eAudio Management Acer ePresentation Management for selected models Acer eDataSecurity Management for selected models Acer eLock Management for selected models Empowering Technology Acer eRecovery Management Empowering Technology Acer eSettings Management for selected models Windows Mobility Center Front view Your Acer notebook tourIcon Item Description Speakers Closed front view Icon DescriptionLeft view # Icon DescriptionRear view Right view# Icon Item Description Base view Hard disk baySpecifications PlatformStorage Dimensions Options Indicators Function DescriptionEasy-launch buttons Icon Function DescriptionTouchpad Touchpad basicsFunction Left button Right Main touchpad Center Button Lock keys and embedded numeric keypad Using the keyboardDesired access Num Lock on Num Lock off Lock key DescriptionWindows keys KeyDescriptionHotkeys US dollar sign Euro symbolSpecial keys Hotkey Icon Function Description Fn + ←Using a computer security lock Ejecting the optical CD or DVD drive trayAdjusting the volume AudioUsing Dolby Home Theater for surround/ multi-channel sound Set playback as digital outputEnglish Using the system utilities Acer GridVista dual-display compatibleLaunch Manager 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 Navigation controls Audio SettingsArcade controls Player controlsBackground mode Virtual keyboardCinema Album Slide Show settingsEditing Pictures Capturing video TV models only VideoPlaying a video file SnapshotMusic TV for selected modelsScheduling recordings Time-shift functionalityRecorded TV Program guideUsing TeleText functions TV settingsFind program English Acer Arcade Deluxe for selected models Remote control for selected models Remote functions TV Joy selected models only Starting Acer Arcade DeluxeVideoMagician SportsCap selected models onlyDVDivine Moving around Disconnecting from the desktopTaking your notebook PC with you 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 USBIeee 1394 port Inserting an ExpressCard ExpressCardEjecting an ExpressCard Installing memory Enable disk-to-disk recovery Bios utilityBoot sequence PasswordPlaying DVD movies Using softwareRegion code Country or region Power management Acer eRecovery Management Create backupBurn backup disc Restore and recoveryError 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 European Union EU Article 3.1a Health and SafetyRadio device regulatory notice General Article 3.1b EMCList of applicable countries FCC RF safety requirement English Federal Communications Comission Declaration of Conformity Acer Computer Shanghai Limited EN60950-12001 EN600652002 applied to models with TV functionLCD panel ergonomic specifications Index CD-ROMEnglish
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4520 specifications

The Acer 4520 laptop is a versatile and economically accessible device that caters to a wide variety of computing needs. Launched in the mid-2000s, this laptop became particularly popular among students and working professionals, thanks to its balance of performance, portability, and affordability.

One of the standout features of the Acer 4520 is its durable yet lightweight design, which weighs around 2.6 kg. This makes it easy to carry around, whether for commuting to school or taking it to a coffee shop for remote work. The 15.4-inch screen with a resolution of 1280 x 800 pixels provides a decent visual experience, suitable for both productivity tasks and media consumption.

In terms of performance, the Acer 4520 is typically equipped with AMD processors, such as the AMD Turion X2 or Athlon series, which are designed to deliver competent multitasking capabilities. The laptop usually comes with 1GB or 2GB of RAM, allowing users to run essential applications smoothly. Additionally, the device features a 120GB to 250GB hard drive, providing ample storage space for documents, photos, and multimedia files.

Connectivity is another strong point of the Acer 4520. It comes with a variety of ports, including USB 2.0, VGA, and audio jacks, as well as a built-in webcam for video conferencing and social interaction. The laptop supports Wi-Fi connectivity, enabling users to access the internet wirelessly, which is essential for both personal and professional use.

The Acer 4520 also integrates several multimedia features, including a DVD-RW drive for reading and writing optical discs, along with built-in speakers that deliver sound decent enough for casual listening. Additionally, it supports Acer's own PowerSmart technology, which helps manage battery life and optimize performance, allowing users to prolong their usage time during on-the-go scenarios.

Furthermore, the laptop offers a user-friendly operating system, commonly shipped with Windows Vista or later versions, providing a familiar environment for users. Overall, the Acer 4520 stands out with its balanced range of features, reliability, and economical price point, making it an attractive option for budget-conscious individuals seeking a capable laptop for everyday tasks. This blend of utility and performance ensures that the Acer 4520 remains relevant for basic computing needs even years after its initial release.
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