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Extensa 4420/4120 Series
User's Guide
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Copyright © 2007. Acer Incorporated. All Rights Reserved. Extensa 4420/4120 Series User's Guide Original Issue: 06/2007 Changes may be made periodically to the information in this publication without obligation to notify any person of such revisions or changes. Such changes will be incorporated in new editions of this manual or supplementary documents and publications. This company makes no representations or warranties, either expressed or implied, with respect to the contents hereof and sp
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iii Information for your safety and comfort Safety instructions Read these instructions carefully. Keep this document for future reference. Follow all warnings and instructions marked on the product. Turning the product off before cleaning Unplug this product from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning. CAUTION for plug as disconnecting device Observe the following guidelines when connecting and disconnecting power to th
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iv Warnings • Do not use this product near water. • Do not place this product on an unstable cart, stand or table. If the product falls, it could be seriously damaged. • Slots and openings are provided for ventilation to ensure reliable operation of the product and to protect it from overheating. These openings must not be blocked or covered. The openings should never be blocked by placing the product on a bed, sofa, rug or other similar surface. This product should never be placed near or
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v Note: The grounding pin also provides good protection from unexpected noise produced by other nearby electrical devices that may interfere with the performance of this product. • Use the product only with the supplied power supply cord set. If you need to replace the power cord set, make sure that the new power cord meets the following requirements: detachable type, UL listed/CSA certified, type SPT-2, rated 7 A 125 V minimum, VDE approved or its equivalent, 4.6 meters (15 feet) maximum
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vi discharged hundreds of times, but it will eventually wear out. When the operation time becomes noticeably shorter than normal, buy a new battery. Use only Acer approved batteries, and recharge your battery only with Acer approved chargers designated for this device. Use the battery only for its intended purpose. Never use any charger or battery that is damaged. Do not short-circuit the battery. Accidental short-circuiting can occur when a metallic object such as a coin, clip or pen cause
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vii Telephone line safety • Disconnect all telephone lines from the equipment when not in use and/or before servicing. • To avoid the remote risk of electric shock from lightning, do not connect the telephone line to this equipment during lightning or thunderstorms. Warning! For safety reasons, do not use non-compliant parts when adding or changing components. Consult your reseller for purchase options. Additional safety information Your device and its enhancements may contain small parts. K
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viii Pacemakers. Pacemaker manufacturers recommend that a minimum separation of 15.3 centimeters (6 inches) be maintained between wireless devices and a pacemaker to avoid potential interference with the pacemaker. These recommendations are consistent with the independent research by and recommendations of Wireless Technology Research. Persons with pacemakers should do the following: • Always keep the device more than 15.3 centimeters (6 inches) from the pacemaker • Not carry the device ne
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ix Emergency calls Warning: You cannot make emergency calls through this device. To make an emergency call you shall dial out through your mobile phone or other telephone call system. Disposal instructions Do not throw this electronic device into the trash when discarding. To minimize pollution and ensure utmost protection of the global environment, please recycle. For more information on the Waste from Electrical and Electronics Equipment (WEEE) regulations, visit http://global.acer.com/a
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x ENERGY STAR is a government program (public/private partnership) that gives people the power to protect the environment in a cost effective way and without sacrificing quality or product features. Products that earn the ENERGY STAR prevent greenhouse gas emissions by meeting strict energy efficiency guidelines set by the US Environmental Protection Agency (EPA) and the US Department of Energy (DOE). In the average home, 75% of all electricity used to power home electronics is consumed wh
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xi 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 • i
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xii Developing good work habits Develop the following work habits to make your computer use more relaxing and productive: • Take short breaks regularly and often. • Perform some stretching exercises. • Breathe fresh air as often as possible. • Exercise regularly and maintain a healthy body. Warning! We do not recommend using the computer on a couch or bed. If this is unavoidable, work for only short periods, take breaks regularly, and do some stretching exercises. Note: For more information,
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xiii First things first We would like to thank you for making an Acer notebook your choice for meeting your mobile computing needs. Your guides To help you use your Acer notebook, we have designed a set of guides: First off, the Just for Starters... poster helps you get started with setting up your computer. The printed User's Guide introduces you to the basic features and functions of your new computer. For more on how your computer can help you to be more productive, please refer to the A
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xiv 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 + . 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 y
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xv Taking care of your battery pack Here are some ways to take care of your battery pack: • Use only batteries of the same kind as replacements. Turn the power off before removing or replacing batteries. • Do not tamper with batteries. Keep them away from children. • Dispose of used batteries according to local regulations. Recycle if possible. Cleaning and servicing When cleaning the computer, follow these steps: 1 Turn off the computer and remove the battery pack. 2 Disconnect the AC adapter.
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xvi
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Information for your safety and comfort iii Safety instructions iii Additional safety information vii Operating environment vii Medical devices vii Vehicles viii Potentially explosive environments viii Emergency calls ix Disposal instructions ix Tips and information for comfortable use x First things first xiii Your guides xiii Basic care and tips for using your computer xiii Turning your computer on and off xiii Taking care of your computer xiv Taking care of your AC adapter xiv Taking care of
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Using a computer security lock 36 Audio 37 Adjusting the volume 37 Using the system utilities 38 Acer GridVista (dual-display compatible) 38 Launch Manager 39 Norton Internet Security 40 NTI Shadow 41 Frequently asked questions 42 Requesting service 45 International Travelers Warranty (ITW) 45 Before you call 45 Battery pack 46 Battery pack characteristics 46 Maximizing the battery's life 46 Installing and removing the battery pack 47 Charging the battery 48 Checking the battery level 48 Optimis
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Fax/data modem 56 Built-in network feature 57 Fast Infrared (FIR) 57 Universal Serial Bus (USB) 58 IEEE 1394 port 58 PC Card slot 59 Installing memory 60 BIOS utility 60 Boot sequence 60 Enable disk-to-disk recovery 61 Password 61 Using software 61 Playing DVD movies 61 Acer eRecovery Management 62 Create backup 62 Burn backup disc 63 Restore and recovery 63 Troubleshooting 64 Troubleshooting tips 64 Error messages 64 Regulations and safety notices 66 FCC notice 66 Modem notices 67 Laser complia
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