Dell D430 Memory Problems, Network Problems

84 Troubleshooting

• Verify that the device drivers do not conflict with the program.

• If necessary, uninstall and then reinstall the program.

BACK UP YOUR FILES IMMEDIATELY

USE A VIRUS-SCANNING PROGRAM TO CHECK THE HARD DRIVE, FLOPPY DISKS, OR CDS

SAVE AND CLOSE ANY OPEN FILES OR PROGRAMS AND SHUT DOWN YOUR COMPUTER THROUGH THE Start MENU

SCAN THE COMPUTER FOR SPYWARE —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.

RUN THE DELL DIAGNOSTICS —See "Dell Diagnostics" on page 71. If all tests run successfully, the error condition

is related to a software p roblem.

Memory Problems

Fill out the Diagnostics Checklist (see "Contacting Dell" on page128) 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

.

IF YOU RECEIVE AN INSUFFICIENT MEMORY MESSAGE —

• 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 page108).

• Reseat the memory modules to ensure that your computer is successfully communicating with the

memory (

see "Memory" on page108).

• Run the

Dell Diagnostics (see "Dell Diagnostics" on page71).

IF YOU EXPERIENCE OTHER MEMORY PROBLEMS —

• Reseat the memory modules (see

"Memory" on page108

) to ensure that your computer is successfully

communicating with the memory.

• Ensure that you are following the memory installation guidelines (

see "Memory" on page108).

• Run the

Dell Diagnostics (see "Dell Diagnostics" on page71).

Network Problems

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

Product

Information Guide

.

General

CHECK THE NETWORK CABLE CONNECTOR —Ensure that the network cable is firmly inserted into both the

Contents

Main Notes, Notices, and Cautions Abbreviations and Acronyms Contents 1 Finding Information 2 About Your Computer 3 Transferring Information to a New Computer 4 Using a Battery 5 Using the Keyboard and Touch Pad 6 Using the Display 7 Setting Up and Using Networks 8 Using Cards 9 Securing Your Computer 10 Cleaning Your Computer 11 Troubleshooting Page 12 System Setup Program 13 Reinstalling Software 14 Adding and Replacing Parts 15 Dell QuickSet 16 Traveling With Your Computer 17 Getting Help Page Finding Information NOTE: 12 NOTE: 14 To view Dell QuickSet Help, right-click the Quickset icon in the Microsoft Windows taskbar. NOTE: About Your Computer Front View 16 Page 18 Left Side View NOTE: Right Side View 20 Back View Page Bottom View Page Page Transferring Information to a New Computer Microsoft Windows XP Page Microsoft Windows Vista Page Using a Battery Battery Performance Checking the Battery Charge Dell QuickSet Battery Meter Microsoft Windows Power Meter Charge Gauge Low-Battery Warning Conserving Battery Power Power Management Modes Standby and Sleep Mode Hibernate Mode Configuring Power Management Settings Accessing Power Options Properties Charging the Battery Replacing the Battery Storing a Battery Using the Keyboard and Touch Pad Numeric Keypad Key Combinations System Functions 36 Battery Optical Drive Tray Display Functions Power Management Speaker Functions Microsoft Windows Logo Key Functions Touch Pad Page Fingerprint Reader (optional) Customizing the Touch Pad and Track Stick Changing the Track Stick Cap Page Using the Display Adjusting Brightness Switching the Video Image From Your Computer Display to a Projector Page Using an External Monitor Simultaneously as an Extension of Your Computer Display Using an External Monitor as Your Primary Display: Swapping Primary and Secondary Displays Setting Up and Using Networks Connecting a Network or Broadband Modem Cable Setting Up a Network in the Microsoft Windows XP Operating System Setting Up a Network in the Microsoft Windows Vista Operating System Wireless Local Area Network What You Need to Establish a WLAN Connection Checking Your Wireless Network Card Setting Up a New WLAN Using a Wireless Router and a Broadband Modem Connecting to a WLAN Page Mobile Broadband (or Wireless Wide Area Network) What You Need to Establish a Mobile Broadband Network Connection Checking Your Dell Mobile Broadband Card Connecting to a Mobile Broadband Network Managing Your Network Settings Through the Dell QuickSet Location Profiler Dell Wi-Fi Catcher Network Locator Microsoft Windows Firewall Page Using Cards Card Types Card Blanks PC Cards PC Card Blanks Extended PC Cards Installing a PC Card or an ExpressCard Page Removing a PC Card or Blank Installing or Removing a Secure Digital (SD) Card Page Securing Your Computer Security Cable Lock Smart Card About Smart Cards Installing a Smart Card Passwords Using a Primary (or System) Password Using an Administrator Password Using a Hard Drive Password Trusted Platform Module (TPM) Enabling the TPM Feature Security Management Software Using the Security Management Software Computer Tracking Software If Your Computer Is Lost or Stolen Page Page Cleaning Your Computer Computer, Keyboard, and Display Touch Pad Floppy Drive Optical Disks Troubleshooting Dell Technical Update Service Dell Diagnostics When to Use the Dell Diagnostics Starting the Dell Diagnostics From Your Hard Drive Starting the Dell Diagnostics From the Drivers and Utilities media Dell Diagnostics Main Menu Page Dell Support Utility Accessing the Dell Support Utility Clicking the Dell Support Icon Double-Clicking the Dell Support Icon Drive Problems Optical drive problems Hard drive problems E-Mail, Modem, and Internet Problems 78 Error Messages ( Fill out the Diagnostics Checklist (see "Diagnostics Checklist" on page129) as you complete these ). Page 80 Add or Remove Programs Change/Remove or Remove IEEE 1394 Device Problems Keyboard Problems External Keyboard problems Unexpected characters Lockups and Software Problems The computer does not start up The computer stops responding A program stops responding or crashes repeatedly A program is designed for an earlier Microsoft Windows operating system A solid blue screen appears Memory Problems Network Problems General For more information on the different types of networks, see "Contacting Dell" on page128. PC Card or ExpressCard Problems Contact Dell (see ). Power Problems Fill out the Diagnostics Checklist (see "Diagnostics Checklist" on page129) as you complete these Ensuring Sufficient Power for Your Computer Docking Power Considerations Printer Problems Scanner Problems 88 Sound and Speaker Problems Try adjusting the settings. Mouse Printers and Other Hardware Video and Display Problems Fill out the Diagnostics Checklist (see "Diagnostics Checklist" on page129) as you complete these If the display is blank If the display is difficult to read If only part of the display is readable System Setup Program Overview Viewing the System Setup Screens System Setup Screens Commonly Used Options Changing the Boot Sequence Changing COM Ports Page Reinstalling Software Drivers What Is a Driver? Identifying Drivers Reinstalling Drivers and Utilities Page Restoring Your Operating System Using Microsoft Windows System Restore Page Using the Operating System CD Page Adding and Replacing Parts Before You Begin Recommended Tools Turning Off Your Computer Before Working Inside Your Computer Hard Drive Removing the Hard Drive Page Replacing the Hard Drive Memory Page Keyboard Page Hinge Cover Mini-Cards Wireless Local Area Network (WLAN) Cards Page Mobile Broadband (WWAN) Cards Page Subscriber Identity Module (SIM) Card Internal Card With Bluetooth Wireless Technology Coin-Cell Battery Page Page Dell QuickSet Page Traveling With Your Computer Identifying Your Computer Packing the Computer Travel Tips Traveling by Air Getting Help Obtaining Assistance Technical Support and Customer Service DellConnect Online Services AutoTech Service Automated Order-Status Service Problems With Your Order Product Information Returning Items for Warranty Repair or Credit Before You Call Contacting Dell Page Page Specifications 132 NOTE: Page Page Page Page Page Page Glossary A B C D E F G H I K L M N O P R S T U V W X Z Appendix FCC Notice (U.S. Only) FCC Class B Macrovision Product Notice