Power Problems | Dell DT549, PP22X specification

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 137 Dell QuickSet Features Traveling With Your Computer Technical Support and Customer Service Glossary Contents Finding Information Drivers and Utilities Media Setup Diagram Site Dell Support Utility Operating System Media Finding Information Determining Your Computer’s Configuration About Your Computer Front 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 View D E M C O N N E C T O R RJ Bottom View Air vents Hard drive About Your Computer About Your Computer Setting Up Your Computer Connecting to the Internet Setting Up Your Internet Connection Windows Easy Transfer Setting Up a PrinterTransferring Information to a New Computer Connecting a USB Printer Printer Cable Power Protection Devices Surge Protectors Uninterruptible Power Supplies Line Conditioners Key Combinations Using the Keyboard and Touch PadNumeric Keypad Microsoft Windows Logo Key Functions Power ManagementAdjusting Keyboard Settings Dell QuickSet Key Combinations Touch Pad Customizing the Touch Pad Setting Display Resolution and Refresh Rate Using the DisplayAdjusting Brightness Using the Display Using a Battery Battery Performance Checking the Battery Charge Dell QuickSet Battery Meter Microsoft Windows Battery Meter Charge Gauge Configuring Power Management Settings Conserving Battery PowerLow-Battery Warning Charging the Battery Using the Sleep Power State Replacing the Battery To remove the battery Storing a Battery Using a Battery Using Multimedia Playing Media CD player includes the following basic buttons DVD player includes the following basic buttons Playing Media Using Dell Travel Remote How to Copy a CD, DVD, or BD Copying CD, DVD, and Blu-ray Disc BD Media Using Blank CD, DVD, and BD Media To copy the CD, DVD, or BD Helpful Tips DVD-Writable Drives Adjusting the Volume Adjusting the Picture Using Dell MediaDirect Connecting 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 Blanks Installing 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 Cable Setting Up a Network Wireless Local Area Network Checking Your Wireless Network Card What You Need to Establish a Wlan Connection Setting 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 Card Enabling/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 appear 101 102 103 Dell Support Center Dell Support DellConnect 105 PC CheckUp Network AssistantPC TuneUp 106 Hardware Problems in the Windows Vista Operating System on Drive ProblemsOptical drive problems Problems writing to a CD-RW, DVD+/-RW, or BD-RE drive Hard drive problems Mail, Modem, and Internet Problems 109 Error Messages 110 Do not use these characters in filenames 111 112 113 114 Contact the ExpressCard manufacturer ExpressCard ProblemsDrive and try again 115 External keyboard problems Ieee 1394 Device ProblemsKeyboard Problems Unexpected characters 117 Computer stops responding Lockups and Software ProblemsComputer does not start Program stops responding or crashes repeatedly Solid blue screen appears Dell MediaDirect problemsMenu to access Dell MediaDirect Help 119 Memory Problems Other software problems 121 Network ProblemsRun the Dell Diagnostics see Dell Diagnostics on Power Problems Mobile Broadband Wireless Wide Area Network Wwan 123 124 Printer ProblemsScanner Problems No sound from external speakers Sound and Speaker ProblemsNo sound from integrated speakers Touch Pad or Mouse Problems No sound from headphones 127 Video and Display ProblemsIf the display is blank If the display is difficult to read Glare, which can cause poor picture quality If only part of the display is readable What is a Driver?Drivers 129 130 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 Computer Before Working Inside Your Computer Hard Drive 139 Removing the Hard Drive 140 Replacing the Hard Drive 141 Removing the Optical Drive Optical DriveReturning a Hard Drive to Dell 143 Hinge CoverReplacing the Optical Drive Removing the Hinge Cover Replacing the Hinge Cover Lift and remove the keyboard KeyboardRemoving the Keyboard 145 Replacing the Keyboard 146 147 MemoryReplace the four screws on the top of the keyboard Removing the Dimm a Memory Module Replacing the Dimm a Memory Module 149 Removing the Dimm B Memory Module 150 151 Replacing the Dimm B Memory Module Subscriber Identity Module 153 Wireless Mini Cards Removing a Wlan Card 155 Disconnect the antenna cables from the Wlan card Replacing a Wlan Card 157 Removing a Mobile Broadband or Wwan Card Disconnect the two antenna cables from the Wwan card 159 Replacing a Wwan Card Removing a Wpan Card 161 Removing the FCM Flash Cache ModuleReplacing a Wpan Card Replacing the FCM 163 Internal Card With Bluetooth Wireless Technology Removing the Card 165 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 167 168 Packing the Computer Traveling With Your ComputerIdentifying Your Computer 169 170 Travel TipsTraveling by Air 171 Getting HelpObtaining Assistance Technical Support and Customer Service DellConnect Online Services 173 AutoTech ServiceAutomated Order-Status Service Problems With Your Order Before You Call 175 176 Contacting Dell 177 178 Specifications 179 180 181 USB 182 Lvds 183 WXGA+ 184 185 186 187 Using the System Setup ProgramAppendix Commonly Used Options Viewing the System Setup ScreenSystem Setup Screen Diskette Drive Internal HDD 188 USB Storage Device CD/DVD/CD-RW drive Modular bay HDD 189 Cleaning Your Computer Computer, Keyboard, and Display 191 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 B Macrovision Product Notice 194 Glossary 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 Index 213 Index End User License Agreement Icons Ergonomics information 215 Index 217 Index 219 220