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Dell DT549, PP22X owner manual Disconnect the antenna cables from the Wlan card

Models: PP22X DT549

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4Disconnect the antenna cables from the WLAN card.

1

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1 antenna cable connectors (2)

2 WLAN card

5Release the WLAN card by pushing the metal securing tabs toward the back of the computer until the card pops up slightly.

6Lift the WLAN card out of its system board connector.

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Adding and Replacing Parts

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Dell DT549, PP22X owner manual Disconnect the antenna cables from the Wlan card

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 Setting Up a Printer Transferring Information to a New ComputerWindows Easy Transfer Connecting a USB Printer Printer CablePower Protection Devices Surge ProtectorsUninterruptible Power Supplies Line ConditionersUsing the Keyboard and Touch Pad Numeric KeypadKey Combinations Power Management Adjusting Keyboard SettingsMicrosoft Windows Logo Key Functions Dell QuickSet Key CombinationsTouch Pad Customizing the Touch Pad Using the Display Adjusting BrightnessSetting Display Resolution and Refresh Rate Using the Display Using a Battery Battery PerformanceChecking the Battery Charge Dell QuickSet Battery MeterMicrosoft Windows Battery Meter Charge GaugeConserving Battery Power Low-Battery WarningConfiguring Power Management Settings 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 Using the Memory Card Reader Installing a Memory CardMemory Card Blanks 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 Passwords Securing Your ComputerSecurity Cable Lock Securing Your Computer If Your Computer is Lost or Stolen Securing Your Computer Troubleshooting Dell Technical Update ServiceDell Diagnostics 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 105Network Assistant PC TuneUpPC CheckUp 106Drive Problems Optical drive problemsHardware Problems in the Windows Vista Operating System on 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 ExpressCard Problems Drive and try againContact the ExpressCard manufacturer 115Ieee 1394 Device Problems Keyboard ProblemsExternal keyboard problems Unexpected characters 117Lockups and Software Problems Computer does not startComputer stops responding Program stops responding or crashes repeatedlyDell MediaDirect problems Menu to access Dell MediaDirect HelpSolid blue screen appears 119Memory Problems Other software problemsNetwork Problems Run the Dell Diagnostics see Dell Diagnostics on121 Power Problems Mobile Broadband Wireless Wide Area Network Wwan123 Printer Problems Scanner Problems124 Sound and Speaker Problems No sound from integrated speakersNo sound from external speakers Touch Pad or Mouse Problems No sound from headphonesVideo and Display Problems If the display is blank127 If the display is difficult to read Glare, which can cause poor picture qualityWhat is a Driver? DriversIf only part of the display is readable 129Reinstalling Drivers and Utilities Identifying Drivers130 131 Manually Reinstalling Drivers You can restore your operating system in the following ways Restoring Your Operating System133 Using Windows Vista System Restore 135 Troubleshooting Adding and Replacing Parts Before You BeginRecommended Tools Turning Off Your ComputerBefore Working Inside Your Computer Hard Drive 139Removing the Hard Drive 140Replacing the Hard Drive 141Optical Drive Returning a Hard Drive to DellRemoving the Optical Drive Hinge Cover Replacing the Optical Drive143 Removing the Hinge Cover Replacing the Hinge CoverKeyboard Removing the KeyboardLift and remove the keyboard 145Replacing the Keyboard 146Memory Replace the four screws on the top of the keyboard147 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 161Flash Cache Module Replacing a Wpan CardRemoving the FCM Replacing the FCM 163Internal Card With Bluetooth Wireless Technology Removing the CardCoin-Cell Battery Replacing the Card165 Removing the Coin-Cell Battery Replacing the Coin-Cell BatterySlide the battery out of the mylar sleeve Dell QuickSet Features 167168 Traveling With Your Computer Identifying Your ComputerPacking the Computer 169Travel Tips Traveling by Air170 Getting Help Obtaining Assistance171 Technical Support and Customer Service DellConnect Online ServicesAutoTech Service Automated Order-Status Service173 Problems With Your Order Before You Call 175176 Contacting Dell 177178 Specifications 179180 181 USB182 Lvds183 WXGA+184 185 186 Using the System Setup Program Appendix187 Viewing the System Setup Screen System Setup ScreenCommonly Used Options Diskette Drive Internal HDD 188USB Storage Device CD/DVD/CD-RW drive Modular bay HDD 189Cleaning Your Computer Computer, Keyboard, and DisplayTouch Pad Mouse191 Dell Technical Support Policy U.S. Only Media192 Definition of Dell-Installed Software and Peripherals FCC Notice U.S. OnlyDefinition of Third-Party Software and Peripherals 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