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Dell DT549, PP22X owner manual Power Problems, Mobile Broadband Wireless Wide Area Network Wwan

Models: PP22X DT549

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C H E C K T H E P O W E R L I G H T

Mobile Broadband (Wireless Wide Area Network [WWAN])

NOTE: The Dell Mobile Broadband Card Utility user’s guide and the Mobile Broadband ExpressCard user’s guide are available through Windows Help and Support (click Start →Help and Support). You can also download the Dell Mobile Broadband Card Utility user’s guide from support.dell.com.

NOTE: The icon appears in the notification area if the computer has a Dell WWAN device installed. Double-click the icon to launch the utility.

A C T I V A T E T H E M O B I L E B R O A D B A N D E X P R E S S C A R D — You must activate the

Mobile Broadband ExpressCard before you can connect to the network.

Position the mouse over the icon in the notification area to verify the status of the connection. If the card is not activated, follow the card activation instructions located within the Dell Mobile Broadband Card

Utility. To access the utility, double-click the icon located in the taskbar, at the lower-right corner of your screen. If your ExpressCard is not a Dell-branded card, see the manufacturer’s instructions for your card.

C H E C K N E T W O R K C O N N E C T I O N S T A T U S I N T H E D E L L M O B I L E B R O A D B A N D C A R D

U T I L I T Y — Double-click the icon to launch the Dell Mobile Broadband Card Utility. Check the status in the main window:

•No card detected — Restart the computer, and launch the Dell Mobile Broadband Card Utility again.

•Check your WWAN service — Contact your cellular service provider to verify your plan coverage and supported services.

Power Problems

Fill out the "Diagnostics Checklist" on page 176 as you complete these checks.

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

— When the power light is lit or blinking, the computer has power. If the power light is blinking, the computer is in Sleep state—press the power button to exit Sleep state. If the light is off, press the power button to turn on the computer.

NOTE: For information on Sleep power state, see "Using the Sleep Power State" on page 51.

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Troubleshooting

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Dell DT549, PP22X owner manual Power Problems, Mobile Broadband Wireless Wide Area Network Wwan

Contents

W . d e l l . c o m s u p p o r t . d e l l . c o m February 2008 P/N DT549 Contents Using the Keyboard and Touch Pad Using a Battery Battery Performance Using the Memory Card Reader Securing Your Computer External keyboard problems 121 Adding and Replacing Parts 137Dell QuickSet Features Traveling With Your Computer Technical Support and Customer Service Glossary Contents Finding Information Drivers and Utilities MediaSetup Diagram Site Dell Support Utility Operating System Media Finding Information Determining Your Computer’s Configuration About Your ComputerFront View Keyboard status lights V I C E S T a T U S L I G H T S About Your Computer 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 USB connector Back ViewD E M C O N N E C T O R RJ Bottom View Air vents Hard drive About Your ComputerAbout Your Computer Setting Up Your Computer Connecting to the InternetSetting Up Your Internet Connection Windows Easy Transfer Setting Up a PrinterTransferring Information to a New Computer Connecting a USB Printer Printer CablePower Protection Devices Surge ProtectorsUninterruptible Power Supplies Line ConditionersKey Combinations Using the Keyboard and Touch PadNumeric Keypad Microsoft Windows Logo Key Functions Power ManagementAdjusting Keyboard Settings Dell QuickSet Key CombinationsTouch Pad Customizing the Touch Pad Setting Display Resolution and Refresh Rate Using the DisplayAdjusting Brightness Using the Display Using a Battery Battery PerformanceChecking the Battery Charge Dell QuickSet Battery MeterMicrosoft Windows Battery Meter Charge GaugeConfiguring Power Management Settings Conserving Battery PowerLow-Battery Warning Charging the Battery Using the Sleep Power StateReplacing the Battery To remove the batteryStoring a Battery Using a Battery Using Multimedia Playing MediaCD player includes the following basic buttons DVD player includes the following basic buttonsPlaying Media Using Dell Travel Remote How to Copy a CD, DVD, or BD Copying CD, DVD, and Blu-ray Disc BD MediaUsing Blank CD, DVD, and BD Media To copy the CD, DVD, or BDHelpful Tips DVD-Writable DrivesAdjusting the Volume Adjusting the Picture Using Dell MediaDirectConnecting Your Computer to a TV or Audio Device Connector Video and Standard Audio Video and S/PDIF Digital Audio Pdif digital audio cable Composite Video and Standard Audio Standard audio cable Composite Video and S/PDIF Digital Audio Composite video adapter Component Video and Standard Audio Component video adapter Component video adapter Component Video and S/PDIF Digital Audio Standard audio cable Component video cable Enabling the Display Settings for a TV Using ExpressCards ExpressCard BlanksInstalling an ExpressCard Removing an ExpressCard or Blank Using ExpressCards Memory Card Blanks Using the Memory Card ReaderInstalling a Memory Card Removing a Memory Card or Blank Setting Up and Using Networks Connecting a Network or Broadband Modem CableSetting Up a Network Wireless Local Area NetworkChecking Your Wireless Network Card What You Need to Establish a Wlan ConnectionSetting Up and Using Networks Connecting to a Wlan Page Mobile Broadband or Wireless Wide Area Network Connecting to a Mobile Broadband Network Checking Your Dell Mobile Broadband CardEnabling/Disabling the Dell Mobile Broadband Card Dell Wi-Fi Catcher Network Locator Security Cable Lock PasswordsSecuring Your Computer Securing Your Computer If Your Computer is Lost or Stolen Securing Your Computer Dell Diagnostics TroubleshootingDell Technical Update Service Press and hold the Fn key while powering the computer on During the assessment, answer any questions that appear101 102 103 Dell Support Center Dell SupportDellConnect 105PC CheckUp Network AssistantPC TuneUp 106Hardware Problems in the Windows Vista Operating System on Drive ProblemsOptical drive problems Problems writing to a CD-RW, DVD+/-RW, or BD-RE driveHard drive problems Mail, Modem, and Internet Problems 109Error Messages 110Do not use these characters in filenames 111112 113 114 Contact the ExpressCard manufacturer ExpressCard ProblemsDrive and try again 115External keyboard problems Ieee 1394 Device ProblemsKeyboard Problems Unexpected characters 117Computer stops responding Lockups and Software ProblemsComputer does not start Program stops responding or crashes repeatedlySolid blue screen appears Dell MediaDirect problemsMenu to access Dell MediaDirect Help 119Memory Problems Other software problems121 Network ProblemsRun the Dell Diagnostics see Dell Diagnostics on Power Problems Mobile Broadband Wireless Wide Area Network Wwan123 124 Printer ProblemsScanner Problems No sound from external speakers Sound and Speaker ProblemsNo sound from integrated speakers Touch Pad or Mouse Problems No sound from headphones127 Video and Display ProblemsIf the display is blank If the display is difficult to read Glare, which can cause poor picture qualityIf only part of the display is readable What is a Driver?Drivers 129130 Reinstalling Drivers and UtilitiesIdentifying Drivers 131 Manually Reinstalling Drivers 133 You can restore your operating system in the following waysRestoring Your Operating System Using Windows Vista System Restore 135 Troubleshooting Recommended Tools Adding and Replacing PartsBefore You Begin Turning Off Your ComputerBefore Working Inside Your Computer Hard Drive 139Removing the Hard Drive 140Replacing the Hard Drive 141Removing the Optical Drive Optical DriveReturning a Hard Drive to Dell 143 Hinge CoverReplacing the Optical Drive Removing the Hinge Cover Replacing the Hinge CoverLift and remove the keyboard KeyboardRemoving the Keyboard 145Replacing the Keyboard 146147 MemoryReplace the four screws on the top of the keyboard Removing the Dimm a Memory Module Replacing the Dimm a Memory Module 149Removing the Dimm B Memory Module 150151 Replacing the Dimm B Memory Module Subscriber Identity Module 153Wireless Mini Cards Removing a Wlan Card 155Disconnect the antenna cables from the Wlan card Replacing a Wlan Card 157Removing a Mobile Broadband or Wwan Card Disconnect the two antenna cables from the Wwan card 159Replacing a Wwan Card Removing a Wpan Card 161Removing the FCM Flash Cache ModuleReplacing a Wpan Card Replacing the FCM 163Internal Card With Bluetooth Wireless Technology Removing the Card165 Coin-Cell BatteryReplacing the Card Slide the battery out of the mylar sleeve Removing the Coin-Cell BatteryReplacing the Coin-Cell Battery Dell QuickSet Features 167168 Packing the Computer Traveling With Your ComputerIdentifying Your Computer 169170 Travel TipsTraveling by Air 171 Getting HelpObtaining Assistance Technical Support and Customer Service DellConnect Online Services173 AutoTech ServiceAutomated Order-Status Service Problems With Your Order Before You Call 175176 Contacting Dell 177178 Specifications 179180 181 USB182 Lvds183 WXGA+184 185 186 187 Using the System Setup ProgramAppendix Commonly Used Options Viewing the System Setup ScreenSystem Setup Screen Diskette Drive Internal HDD 188USB Storage Device CD/DVD/CD-RW drive Modular bay HDD 189Cleaning Your Computer Computer, Keyboard, and Display191 Touch PadMouse 192 Dell Technical Support Policy U.S. OnlyMedia Definition of Third-Party Software and Peripherals Definition of Dell-Installed Software and PeripheralsFCC Notice U.S. Only FCC Class BMacrovision Product Notice 194Glossary 195196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 Index 213Index End User License Agreement Icons Ergonomics information 215Index 217 Index 219 220