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Dell™ Inspiron™ 1721 Owner’s Manual
Model PP22X
www.dell.com | support.dell.com
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Notes, Notices, and Cautions NOTE: A NOTE indicates important information that helps you make better use of your computer. NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death. ____________________ Information in this document is subject to change without notice. © 2007 Dell Inc. All rights reserved. Reproduction in any manner whatsoever
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Contents Finding Information . . . . . . . . . . . . . . . . . . . 13 1 About Your Computer . . . . . . . . . . . . . . . 19 Determining Your Computer’s Configuration . . . . . . 19 Front View . . . . . . . . . . . . . . . . . . . . . . . . 20 Left Side View . . . . . . . . . . . . . . . . . . . . . . 25 Right Side View . . . . . . . . . . . . . . . . . . . . . 26 Back View . . . . . . . . . . . . . . . . . . . . . . . . 29 Bottom View . . . . . . . . . . . . . . . . . . . . . . . 31 2 Se
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Power Protection Devices . . . . . . . . . . . . . . . 37 Surge Protectors . . . . . . . . . . . . . . . . . . 37 Line Conditioners . . . . . . . . . . . . . . . . . . 38 Uninterruptible Power Supplies . . . . . . . . . . 38 3 Using the Display . . . . . . . . . . . . . . . . . . 39 Adjusting Brightness . . . . . . . . . . . . . . . . . . 39 Switching the Video Image From Your Computer Display To a Projector . . . . . . . . . . . . 39 Setting Display Resolution and Refresh Rate . . . . .
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5 Using a Battery . . . . . . . . . . . . . . . . . . . . 45 Battery Performance . . . . . . . . . . . . . . . . . . 45 Checking the Battery Charge . . . . . . . . . . . . . . 46 Dell QuickSet Battery Meter . . . . . . . . . . . . 46 ® ® Microsoft Windows Battery Meter . . . . . . . 47 Charge Gauge . . . . . . . . . . . . . . . . . . . 47 Low-Battery Warning . . . . . . . . . . . . . . . 48 Conserving Battery Power . . . . . . . . . . . . . . . 48 Configuring Power Management Settings . .
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Connecting Your Computer to a TV or Audio Device . . . . . . . . . . . . . . . . . . . . . . 60 S-Video and Standard Audio . . . . . . . . . . . . 62 S-Video and S/PDIF Digital Audio . . . . . . . . . 64 Composite Video and Standard Audio . . . . . . . 66 Composite Video and S/PDIF Digital Audio . . . . 68 Component Video and Standard Audio . . . . . . 70 Component Video and S/PDIF Digital Audio . . . . 72 Enabling the Display Settings for a TV . . . . . . . 75 7 Using ExpressCards . .
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Wireless Local Area Network . . . . . . . . . . . . . 84 What You Need to Establish a WLAN Connection . . . . . . . . . . . . . . . . . 84 Checking Your Wireless Network Card . . . . . . 85 Setting Up a New WLAN Using a Wireless Router and a Broadband Modem . . . . . . . . . 86 Connecting to a WLAN . . . . . . . . . . . . . . . 87 Mobile Broadband (or Wireless Wide Area Network) . . . . . . . . . . . . . . . . . . . . . . 89 What You Need to Establish a Mobile Broadband Network Connect
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PC TuneUp . . . . . . . . . . . . . . . . . . . . . 104 PC CheckUp . . . . . . . . . . . . . . . . . . . . 104 Drive Problems . . . . . . . . . . . . . . . . . . . . . 105 Optical drive problems . . . . . . . . . . . . . . . 105 Hard drive problems . . . . . . . . . . . . . . . . 106 E-Mail, Modem, and Internet Problems . . . . . . . . . 107 Error Messages . . . . . . . . . . . . . . . . . . . . . 108 ExpressCard Problems . . . . . . . . . . . . . . . . . 113 IEEE 1394 Device Problems . . . . .
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Scanner Problems . . . . . . . . . . . . . . . . . . . . 123 Sound and Speaker Problems . . . . . . . . . . . . . 123 No sound from integrated speakers . . . . . . . . 123 No sound from external speakers . . . . . . . . . 124 No sound from headphones . . . . . . . . . . . . 124 Touch Pad or Mouse Problems . . . . . . . . . . . . . 124 Video and Display Problems . . . . . . . . . . . . . . 125 If the display is blank . . . . . . . . . . . . . . . . 125 If the display is difficult to read . . . .
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Optical Drive . . . . . . . . . . . . . . . . . . . . . . . 141 Removing the Optical Drive . . . . . . . . . . . . 141 Replacing the Optical Drive . . . . . . . . . . . . 142 Hinge Cover . . . . . . . . . . . . . . . . . . . . . . . 142 Removing the Hinge Cover . . . . . . . . . . . . . 143 Replacing the Hinge Cover . . . . . . . . . . . . . 143 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . 144 Removing the Keyboard . . . . . . . . . . . . . . 144 Replacing the Keyboard . . . . . .
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13 Dell™ QuickSet Features . . . . . . . . . . . 165 14 Traveling With Your Computer . . . . . . . 167 Identifying Your Computer . . . . . . . . . . . . . . . 167 Packing the Computer . . . . . . . . . . . . . . . . . . 167 Travel Tips . . . . . . . . . . . . . . . . . . . . . . . . 168 Traveling by Air . . . . . . . . . . . . . . . . . . . 168 15 Getting Help . . . . . . . . . . . . . . . . . . . . . 169 Obtaining Assistance . . . . . . . . . . . . . . . . . . 169 Technical Support and Custo
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16 Specifications . . . . . . . . . . . . . . . . . . . . 177 17 Appendix . . . . . . . . . . . . . . . . . . . . . . . . 185 Using the System Setup Program . . . . . . . . . . . . 185 Viewing the System Setup Screen . . . . . . . . . 186 System Setup Screen . . . . . . . . . . . . . . . . 186 Commonly Used Options . . . . . . . . . . . . . . 186 About Your RAID Configuration . . . . . . . . . . . . . 188 RAID Level 0 Configuration . . . . . . . . . . . . . 188 RAID Level 1 Configuration . . . .
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Finding Information NOTE: Some features may be optional and may not ship with your computer. Some features may not be available in certain countries. NOTE: Additional information may ship with your computer. What Are You Looking For? Find It Here A diagnostic program for my computer Drivers and Utilities Media Drivers for my computer Documentation and drivers are already Device documentation installed on your computer. You can use the Drivers and Utilities media to reinstall Noteb
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What Are You Looking For? Find It Here Warranty information Dell™ Product Information Guide Terms and Conditions (U.S. only) Safety instructions Regulatory information Ergonomics information End User License Agreement How to set up my computer Setup Diagram 14 Finding Information
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What Are You Looking For? Find It Here Service Tag and Express Service Code Service Tag and Microsoft Windows ® ® Product Key Microsoft Windows Product Key These labels are located on your computer. Use the Service Tag to identify your computer when you use support.dell.com or contact support. Enter the Express Service Code to direct your call when contacting support. NOTE: As an increased security measure, the newly designed Microsoft Windows license label incorporates a "security
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What Are You Looking For? Find It Here Solutions — Troubleshooting hints and Dell Support Website — support.dell.com tips, articles from technicians, online NOTE: Select your region or business courses, and frequently asked questions segment to view the appropriate support Community — Online discussion with site. other Dell customers Upgrades — Upgrade information for components, such as the memory, hard drive, and operating system Customer Care — Contact information, service call
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What Are You Looking For? Find It Here Software upgrades and troubleshooting Dell Support Utility hints — Frequently asked questions, The Dell Support Utility is an automated hot topics, and general health of your upgrade and notification system installed computing environment on your computer. This support provides real-time health scans of your computing environment, software updates, and relevant self-support information. Access the Dell Support Utility from the icon on the taskbar
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What Are You Looking For? Find It Here How to reinstall my operating system Operating System Media The operating system is already installed on your computer. To reinstall your operating system, use one of the following methods: Microsoft Windows System Restore — Microsoft Windows System Restore returns your computer to an earlier operating state without affecting data files. Dell PC Restore — Dell PC Restore returns your computer to its original operating state. Dell PC Restore ma
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About Your Computer Determining Your Computer’s Configuration Based on selections that you made when purchasing your computer, your computer has one of several different video controller configurations. To determine your computer’s video controller configuration: 1 Click Start , and then click Help and Support. 2 Under Pick a Task, click Use Tools to view your computer information and diagnose problems. 3 Under My Computer Information, select Hardware. From the My Computer Information - Ha
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Front View 1 2 3 4 14 5 13 12 6 7 11 10 9 8 20 About Your Computer
