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Dell GU051 manual Securing Your Computer

Models: GU051

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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 Connection	89
Checking Your Dell Mobile Broadband Card . . . .	90
Connecting to a Mobile Broadband Network . . .	90
Enabling/Disabling the Dell Mobile
roadband Card	91
Dell Wi-Fi Catcher™ Network Locator	92

10 Securing Your Computer	93
Security Cable Lock	93
Passwords	93
If Your Computer is Lost or Stolen	94

11Troubleshooting . . . . . . . . . . . . . . . . . . . 97

Dell Technical Update Service	97
Dell Diagnostics	97
Dell Support Center	101
Dell Support 3	102
DellConnect	103
Network Assistant	104

Contents 7

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Dell GU051 manual Securing Your Computer

Contents

W . d e l l . c o m s u p p o r t . d e l l . c o m September GU051 Contents Using the Keyboard and Touch Pad Using Blank CDs and DVDs Using the Memory Card Reader Securing Your Computer External Keyboard problems Adding and Replacing Parts Removing the Optical Drive Dell QuickSet Features Traveling With Your Computer Glossary Drivers and Utilities Media Finding InformationDell Product Information Guide Service Tag and Microsoft Windows Site Windows notification area Features onTo view Dell QuickSet Help, right-click Dell QuickSet iconOperating System Media About Your Computer Determining Your Computer’s ConfigurationFront View Keyboard status lights V I C E S T a T U S L I G H T S Information, see the documentation that came with your card Y B O a R D S T a T U S L I G H T S Left Side View Right Side View Eject button Optical drive Audio connectors Connects video devices, such as a monitor Back View USB connectorD E M C O N N E C T O R RJ Air vents Hard drive Bottom ViewAbout Your Computer Connecting to the Internet Setting Up Your ComputerSetting Up Your Internet Connection Transferring Information to a New Computer Setting Up a PrinterWindows Easy Transfer Printer Cable Connecting a USB PrinterSurge Protectors Power Protection DevicesLine Conditioners Uninterruptible Power SuppliesAdjusting Brightness Using the DisplaySetting Display Resolution and Refresh Rate Be installed Numeric Keypad Using the Keyboard and Touch PadKey Combinations Dell QuickSet Key Combinations Power ManagementAdjusting Keyboard Settings Microsoft Windows Logo Key FunctionsTouch Pad Customizing the Touch Pad Battery Performance Using a BatteryDell QuickSet Battery Meter Checking the Battery ChargeCharge Gauge Microsoft Windows Battery MeterLow-Battery Warning Conserving Battery PowerUsing the Sleep Power State Configuring Power Management SettingsReplacing the Battery Charging the BatteryTo remove the battery Storing a BatteryUsing a Battery Playing Media Using MultimediaDVD player includes the following basic buttons CD player includes the following basic buttonsPlaying Media Using Dell Travel Remote Copying CDs and DVDs How to Copy a CD or DVDTo copy the CD or DVD Using Blank CDs and DVDsHelpful Tips Adjusting the Picture Adjusting the VolumeUsing Dell MediaDirect Connecting Your Computer to a TV or Audio Device Video TV-out connector Video cable Composite video adapter Video and Standard Audio Standard S-video cable Video and S/PDIF Digital Audio Video cable Composite Video and Standard Audio Composite video adapter Composite Video and S/PDIF Digital Audio Pdif digital audio cable Component Video and Standard Audio Component video adapter Component Video and S/PDIF Digital Audio Standard audio cable Component video cable Enabling the Display Settings for a TV Using Multimedia ExpressCard Blanks Using ExpressCardsInstalling an ExpressCard Removing an ExpressCard or Blank Using ExpressCards Installing a Memory Card Using the Memory Card ReaderMemory Card Blanks Removing a Memory Card or Blank Connecting a Network or Broadband Modem Cable Setting Up and Using NetworksWireless Local Area Network Setting Up a NetworkWhat You Need to Establish a Wlan Connection Checking Your Wireless Network Card Setting Up and Using Networks Connecting to a Wlan Page Mobile Broadband or Wireless Wide Area Network Checking Your Dell Mobile Broadband Card Connecting to a Mobile Broadband NetworkEnabling/Disabling the Dell Mobile Broadband Card Dell Wi-Fi Catcher Network Locator Securing Your Computer PasswordsSecurity Cable Lock If Your Computer is Lost or Stolen Securing Your Computer Securing Your Computer Dell Technical Update Service TroubleshootingDell Diagnostics During the assessment, answer any questions that appear Press and hold the Fn key while powering the computer onShut down and restart the computer Option Function Option Function 101 Dell Support CenterDell Support 103 DellConnect104 Network AssistantPC TuneUp PC CheckUpProblems writing to a CD-RW or DVD+/-RW Drive ProblemsOptical drive problems Hardware Problems in the Windows Vista Operating System onHard drive problems 107 Mail, Modem, and Internet Problems108 Error Messages109 Do not use these characters in filenames110 111 112 113 ExpressCard ProblemsDrive and try again Contact the ExpressCard manufacturerKeyboard Problems Ieee 1394 Device ProblemsExternal Keyboard problems 115 Unexpected charactersProgram stops responding or crashes repeatedly Lockups and Software ProblemsComputer does not start Computer stops responding117 Dell MediaDirect problemsMenu to access Dell MediaDirect Help Solid blue screen appears118 Other software problems119 Memory ProblemsNetwork Problems Run the Dell Diagnostics see Dell Diagnostics onMobile Broadband Wireless Wide Area Network Wwan 121 Power Problems122 Printer ProblemsSound and Speaker Problems Scanner ProblemsNo sound from integrated speakers No sound from headphones Touch Pad or Mouse ProblemsNo sound from external speakers If the display is blank Video and Display Problems125 Glare, which can cause poor picture quality If the display is difficult to read126 127 What is a Driver?Drivers If only part of the display is readableIdentifying Drivers Reinstalling Drivers and Utilities128 129 Manually Reinstalling Drivers Restoring Your Operating System You can restore your operating system in the following ways131 Using Windows Vista System Restore 133 Troubleshooting Turning Off Your Computer Adding and Replacing PartsBefore You Begin Recommended ToolsBefore Working Inside Your Computer 137 Removing the Hard Drive Hard Drive139 Replacing the Hard Drive 141 Optical DriveReturning a Hard Drive to Dell Removing the Optical DriveReplacing the Optical Drive Hinge Cover142 Replacing the Hinge Cover Removing the Hinge Cover143 Removing the Keyboard KeyboardLift and remove the keyboard 144 145 Replacing the KeyboardReplace the four screws on the top of the keyboard Memory147 Removing the Dimm a Memory ModuleReplacing the Dimm a Memory Module 149 Removing the Dimm B Memory ModuleMemory module/coin-cell battery Captive screw Compartment 151 Replacing the Dimm B Memory Module152 153 Subscriber Identity ModuleRemoving a Wlan Card Wireless Mini Cards154 155 Disconnect the antenna cables from the Wlan cardReplacing a Wlan Card 157 Removing a Mobile Broadband or Wwan Card158 159 Disconnect the two antenna cables from the Wwan cardReplacing a Wwan Card 161 Removing a Wpan CardReplacing a Wpan Card Internal Card With Bluetooth Wireless TechnologyRemoving the Card Replacing the Card Coin-Cell Battery163 Replacing the Coin-Cell Battery Removing the Coin-Cell BatterySlide the battery out of the mylar sleeve 165 Dell QuickSet Features166 167 Traveling With Your ComputerIdentifying Your Computer Packing the ComputerTraveling by Air Travel Tips168 Obtaining Assistance Getting Help169 DellConnect Online Services Technical Support and Customer Service171 AutoTech ServiceAutomated Order-Status Service Problems With Your Order172 173 Before You Call174 175 Contacting Dell176 177 Specifications178 USB 179WXGA+ 180Wuxga 181182 183 Storage Grms 184Appendix Using the System Setup Program185 Diskette Drive Internal HDD 186 Viewing the System Setup ScreenSystem Setup Screen Commonly Used Options187 USB Storage Device CD/DVD/CD-RW drive Modular bay HDDRAID Level 1 Configuration About Your RAID ConfigurationCleaning Your Computer RAID Level 0 Configuration189 Touch PadMedia Mouse191 Dell Technical Support Policy U.S. OnlyFCC Class B Definition of Dell-Installed Software and PeripheralsFCC Notice U.S. Only Definition of Third-Party Software and Peripherals193 Macrovision Product Notice194 195 Glossary196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 IndexIndex 215 Index 217 Index 219 See also Mobile Broadband installing220