Dell PP20L Memory Problems, Network Problems, Communication exists. Replace the network cable

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C H E C K T H E N E T W O R K C A B L E C O N N E C T O R

B A C K U P Y O U R F I L E S I M M E D I A T E L Y

U S E A V I R U S - S C A N N I N G P R O G R A M T O C H E C K T H E H A R D D R I V E , F L O P P Y D I S K S , O R CD S

S A V E A N D C L O S E A N Y O P E N F I L E S O R P R O G R A M S A N D S H U T D O W N Y O U R C O M P U T E R T H R O U G H T H E S t a r t M E N U

S C A N T H E C O M P U T E R F O R S P Y W A R E — If you are experiencing slow computer performance, you frequently receive pop-up advertisements, or you are having problems connecting to the Internet, your computer might be infected with spyware. Use an anti-virus program that includes anti-spyware protection (your program may require an upgrade) to scan the computer and remove spyware. For more information, go to support.dell.com and search for the keyword spyware.

R U N T H E D E L L D I A G N O S T I C S — If all tests run successfully, the error condition is related to a software problem. See "Dell Diagnostics" on page 79.

Memory Problems

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

I F Y O U R E C E I V E A N I N S U F F I C I E N T M E M O R Y M E S S A G E —

•Save and close any open files and exit any open programs you are not using to see if that resolves the problem.

•See the software documentation for minimum memory requirements. If necessary, install additional memory (see "Memory" on page 114).

•Reseat the memory modules to ensure that your computer is successfully communicating with the memory (see "Memory" on page 114).

•Run the Dell Diagnostics (see "Dell Diagnostics" on page 79).

I F Y O U E X P E R I E N C E O T H E R M E M O R Y P R O B L E M S —

•Reseat the memory modules to ensure that your computer is successfully communicating with the memory (see "Memory" on page 114).

•Ensure that you are following the memory installation guidelines (see "Memory" on page 114).

•Run the Dell Diagnostics (see "Dell Diagnostics" on page 79).

Network Problems

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

— Ensure that the network cable is firmly inserted into both the

network connector on the back of the computer and the network jack.

C H E C K T H E N E T W O R K L I G H T S O N T H E N E T W O R K C O N N E C T O R — No light indicates that no network

communication exists. Replace the network cable.

Solving Problems

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Contents W . d e l l . c o m s u p p o r t . d e l l . c o m Dell Inspiron 6400/E1505Abbreviations and Acronyms Contents Microsoft Windows Logo Key Functions Configuring Power Management SettingsComposite Video and S/PDIF Digital Audio What You Need to Establish a Wlan Connection Connecting to a Mobile Broadband NetworkWhat You Need to Establish a Mobile Broadband Double- Clicking the Dell Support IconEnsuring Sufficient Power for Your Computer Mobile Broadband Wireless Wide Area Network WwanIf only part of the display is readable Contents Program stops responding or crashes repeatedly129 109132 131163 164Contents Support.dell.com Finding InformationThese labels are located on the bottom of your computer Configuration Enter your Service Tag or product modelClick the topic that describes your problem What Are You Looking For? Find It HereEarlier operating state without affecting data files Microsoft Windows System Restore MicrosoftShip with your computer Your operating systemDetermining Your Computer’s Configuration About Your ComputerAbout Your Computer Front View W E R B U T T O N About Your Computer Y B O a R D a N D W I R E L E S S S T a T U S L I G H T S Left Side View Right Side View Back View Connects an external VGA-compatible monitor Bottom View Connecting to the Internet Setting Up Your ComputerSetting Up Your Internet Connection Setting Up Your ComputerTransferring Information to a New Computer Click Finished and restart the new computer Click Finished and restart the new computer Setting Up a Printer Connecting a USB PrinterPrinter Cable Surge Protectors Power Protection DevicesLine Conditioners Uninterruptible Power SuppliesSetting Up Your Computer Adjusting Brightness Using the DisplaySwitching the Video Image Setting Display ResolutionUsing the Display Using the Keyboard and Touch Pad Using the Keyboard and Touch PadNumeric Keypad Key Combinations Power ManagementSystem Functions Display FunctionsMicrosoft Windows Logo Key Functions Adjusting Keyboard SettingsQuickSet Key Combinations Opens the Search Results-Computer dialog boxCustomizing the Touch Pad Touch PadUsing a Battery Battery PerformanceUsing a Battery Dell QuickSet Battery Meter Checking the Battery ChargeMicrosoft Windows Power Meter Check the Battery ChargeLow-Battery Warning Conserving Battery PowerPower Management Modes Check the Battery HealthHibernate Mode Charging the Battery Replacing the BatteryConfiguring Power Management Settings Storing a Battery Using Multimedia Using MultimediaPlaying CDs or DVDs Copying CDs and DVDs How to Copy a CD or DVDHelpful Tips Using Blank CDs and DVDsCD-Writable Drives Media Type Read Write Rewritable DVD-Writable Drives Media Type Read Write RewritableAdjusting the Volume Using Dell Media Experience and Dell MediaDirect Adjusting the PictureIf the computer is turned on or in standby mode If the computer is turned off or in hibernate modeDell MediaDirect and Dell Media Experience Help Connecting Your Computer to a TV or Audio DeviceUsing Multimedia Video and Standard Audio Video and S/PDIF Digital Audio Composite video adapter Video cable Composite Video and Standard Audio Composite Video and S/PDIF Digital Audio Composite video adapter Pdif digital audio cable Component Video and Standard Audio Using Multimedia Component Video and S/PDIF Digital Audio Component video adapter 2 S/PDIF digital audio cable Enabling S/PDIF Digital Audio Setting Up the Cyberlink CL HeadphonesEnabling the Display Settings for a TV Using Multimedia Installing an ExpressCard Using CardsUsing Cards ExpressCardsRemoving an ExpressCard or Blank Media Memory Cards Installing a Media Memory CardRemoving a Media Memory Card Setting Up a Network Physically Connecting to a Network or Broadband ModemSetting Up a Network Wireless Local Area Network Wlan Network Setup WizardChecking Your Wireless Network Card What You Need to Establish a Wlan ConnectionSetting Up a New Wlan Connecting to a Wireless Local Area Network Completing the Connection to the Wlan Determining the Wireless Network Device ManagerEnabling/Disabling the Wireless Network Card Mobile Broadband or Wireless Wide Area Network WwanConnecting to a Mobile Broadband Network Setting Up a Network Securing Your Computer PasswordsSecurity Cable Lock Securing Your ComputerIf Your Computer Is Lost or Stolen Computer Tracking SoftwareDell Diagnostics Solving ProblemsWhen to Use the Dell Diagnostics Starting the Dell Diagnostics From Your Hard DriveOption Function Tab Function Dell Support Utility Accessing the Dell Support UtilityClicking the Dell Support Icon Double-Clicking the Dell Support IconDrive Problems CD and DVD drive problemsProblems writing to a CD/DVD-RW drive Mail, Modem, and Internet Problems Hard drive problemsIf you hear an unfamiliar scraping or grinding sound Error Messages Characters in filenames Solving Problems Page Ieee 1394 Device Problems ExpressCard ProblemsWindows taskbar. Ensure that the card is listed ManufacturerExternal Keyboard problems Keyboard ProblemsUnexpected characters Lockups and Software ProblemsComputer does not start up Computer stops respondingDell MediaDirect problems Other software problemsSolid blue screen appears Memory Problems Network ProblemsCommunication exists. Replace the network cable Mobile Broadband Wireless Wide Area Network Wwan Power ProblemsEnsuring Sufficient Power for Your Computer Printer ProblemsScanner Problems Sound and Speaker Problems No sound from integrated speakersNo sound from external speakers Touch Pad or Mouse Problems Video and Display ProblemsIf the display is blank Drivers What Is a Driver?If the display is difficult to read If only part of the display is readableReinstalling Drivers and Utilities Using Windows XP Device Driver RollbackIdentifying Drivers Using the Drivers and Utilities CD Save and close any open files, and exit any open programs101 Resolving Software and Hardware Incompatibilities Restoring Your Operating System102 103 Using Microsoft Windows XP System Restore104 Using Dell PC Restore by Symantec105 Reinstalling Windows XP Using the Operating System CDBefore You Begin 106107 108 Adding and Replacing Parts Adding and Replacing PartsBefore You Begin Recommended Tools110 Before Working Inside Your Computer111 Optical Drive112 Hard Drive113 Returning a Hard Drive to Dell Memory115 116 117 Modem118 Hinge Cover119 Keyboard120 121 Wireless Mini-Card122 Install the replacement Mini-Card123 Coin-Cell Battery 125 Display126 Lift the display up and away from the computer127 Internal Card With Bluetooth Wireless Technology128 Dell QuickSet Features Dell QuickSet Features130 Identifying Your Computer Traveling With Your ComputerPacking the Computer 131Traveling by Air Travel TipsContacting Dell 133Contacting Dell 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 Called from within Singapore or Malaysia onlyWebsite support.ap.dell.com 149 150 151 152 Printers, and Projectors for Relationship153 154 155 Specifications156 Ports and ConnectorsIn-1 Media Memory Card Reader MemoryCommunications 157Video AudioDisplay 158159 BatteryKeyboard Touch Pad160 AC AdapterPhysical Environmental 161162 Viewing the System Setup Screen Using the System Setup ProgramSystem Setup Screen AppendixChanging the Boot Sequence Performing a One-Time BootCommonly Used Options Computer, Keyboard, and Display Cleaning Your ComputerTouch Pad 165Floppy Drive Dell Technical Support Policy U.S. OnlyCDs and DVDs 166FCC Notice U.S. Only Definition of Dell-Installed Software and PeripheralsDefinition of Third-Party Software and Peripherals FCC Class B168 Macrovision Product NoticeGlossary 169Glossary 170 171 Device driver See driverDocking device See APR 172 173 174 NIC See network adapter 175176 System tray See notification area 177178 Video resolution See resolution179 180 Index 181Index 182 See also hard drive See also optical drive183 184 185 186
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