Dell PP28L, RU335 Power Problems

Troubleshooting 111

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.

ACTIVATE THE MOBILE BROADBAND EXPRESSCARD —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.

CHECK NETWORK CONNECTION STATUS IN THE DELL MOBILE BROADBAND CARD

UTILITY —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 157 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.

CHECK THE POWER LIGHT —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 47.

book.book Page 111 Tuesday, October 7, 2008 6:05 PM

Contents

Main Notes, Notices, and Cautions ____________________ Contents 1 Setting Up Y our Computer 2 About Y our Computer 3 Using the Keyboard and T ouchpad 4 Using the Display 5 Using a Battery 6 Using Multimedia 7 Using the Camera 8 Using ExpressCards 9 Using the Memory Card Reader 10 Setting Up and Using Networks 11 Securing Y our Computer 12 T roubleshooting Page Page 13 Adding and Replacing Parts 14 T raveling With Y our Computer 15 Getting Help 16 Specifications A Appendix Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . 177 Index Finding Information NOTE: 14 NOTE: NOTE: 16 NOTE: Page Setting Up Your Computer Connecting to the Internet Setting Up Your Internet Connection Transferring Information to a New Computer Setting Up a Printer Printer Cable Connecting a USB Printer Power Protection Devices Surge Protectors Line Conditioners Uninterruptible Power Supplies About Your Computer Front View 26 Page Page The blue lights located above the keyboard indicate the following: NOTE: Page Left Side View Right Side View 32 Page 34 Back View Page Bottom View Using the Keyboard and Touchpad Numeric Keypad Battery Key Combinations System Functions Display Functions Power Management Microsoft Windows Logo Key Functions Dell QuickSet Key Combinations Adjusting Keyboard Settings Touch Pad Customizing the Touch Pad Using the Display Adjusting Brightness Switching the Video Image From Your Computer Display To a Projector Setting Display Resolution and Refresh Rate Using a Battery Battery Performance Checking the Battery Charge Dell QuickSet Battery Meter Microsoft Windows Battery Meter Charge Gauge Low-Battery Warning Conserving Battery Power Configuring Power Management Settings Using the Sleep Power State Charging the Battery Replacing the Battery Page Page Using Multimedia Playing Media Playing Media Using Dell Travel Remote Page Copying CD, DVD, and Blu-ray Disc (BD) Media How to Copy a CD, DVD or BD Using Blank CD, DVD, and BD Media Helpful Tips Adjusting the Volume Adjusting the Picture Using Dell MediaDirect Connecting Your Computer to a TV or Audio Device Page HDMI S-Video and Standard Audio Component Video and Standard Audio Page Composite Video and Standard Audio Page Enabling the Display Settings for a TV Page Using the Camera Accessing the Cameras Help File Manually Adjusting the Camera Settings Creating a Picture or a Video Using ExpressCards ExpressCard Blanks Installing an ExpressCard Removing an ExpressCard or Blank Using the Memory Card Reader Memory Card Blanks Installing 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 in the Microsoft Windows Vista Operating System Wireless Local Area Network (WLAN) 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 Page Connecting to a WLAN Mobile Broadband/Wireless Wide Area Network (WWAN) What You Need to Establish a Mobile Broadband Network Connection Checking Your Dell Mobile Broadband Card Connecting to a Mobile Broadband Network Enabling/Disabling the Dell Mobile Broadband Card Dell Wi-Fi Catcher Network Locator Page Securing Your Computer Security Cable Lock Passwords Fingerprint Reader Computer Tracking Software If Your Computer Is Lost or Stolen Page Troubleshooting Dell Technical Update Service Dell Diagnostics Page Page Page Dell Support Center Dell Support 3 Dell PC Tune-Up Dell PC CheckUp Dell Network Assistant DellConnect Drive Problems Optical drive problems Hard drive problems E-Mail, Modem, and Internet Problems Page Error Messages Page Page Page Page ExpressCard Problems IEEE 1394 Device Problems Keyboard Problems External Keyboard problems Unexpected characters Lockups and Software Problems The computer does not start 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 Dell MediaDirect problems Other software problems Memory Problems Network Problems Mobile Broadband (Wireless Wide Area Network [WWAN]) Power Problems Printer Problems Scanner Problems Sound and Speaker Problems No sound from integrated speakers No sound from external speakers No sound from headphones Remote Control Problems Touch Pad or Mouse Problems Video and Display Problems If the display is blank If the display is difficult to read If only part of the display is readable Drivers What Is a Driver? Identifying Drivers Reinstalling Drivers and Utilities Page Troubleshooting Software and Hardware Problems in the Windows Vista Operating System Restoring Your Microsoft Windows Vista Operating System Using Windows Vista System Restore Page Page Using the Operating System Media Page 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 Replacing the Hard Drive Returning a Hard Drive to Dell Center Control Cover and Hinge Covers Removing the Center Control Cover and Hinge Covers Page Replacing the Center Control Cover and Hinge Covers Keyboard Removing the Keyboard Replacing the Keyboard Memory Removing the Memory Module Page Replacing the Memory Module Page Subscriber Identity Module Wireless Mini-Cards Removing a WLAN Card Replacing a WLAN Card Removing a Mobile Broadband or WWAN Card Page Replacing a WWAN Card Flash Cache Module Removing the FCM Replacing the FCM Internal Card With Bluetooth Wireless Technology Removing the Card Replacing the Card 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 Page Contacting Dell Specifications 160 NOTE: NOTE: NOTE: NOTE: NOTE: Page Page Page Page Page Page Page Appendix Using the System Setup Program Viewing the System Setup Screen System Setup Screen Commonly Used Options Page Cleaning Your Computer Computer, Keyboard, and Display Touch Pad Mouse Media Dell Technical Support Policy (U.S. Only) Definition of "Dell-Installed" Software and Peripherals Definition of "Third-Party" Software and Peripherals FCC Notice (U.S. Only) FCC Class B Macrovision Product Notice Glossary A B C Page D E F G H I K L M N O P R S T U V W X Z Page Index Numerics A B C D E F H I K L N O P Q R S T U V W