Troubleshooting 135Mobile Broadband (Wireless Wide Area Network [WWAN])NOTE: The Dell Mobile Broadband Card Utility user’s guide and the MobileBroadband ExpressCard user’s guide are available through Windows Help andSupport (click Start→ Help and Support). You can also download the Dell MobileBroadband Card Utility user’s guide from support.dell.com.NOTE: The icon appears in the notification area if the computer has a DellWWAN 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 theMobile Broadband ExpressCard before you can connect to the network.Position the mouse over the icon in the notification area to verify thestatus of the connection. If the card is not activated, follow the cardactivation instructions located within the Dell Mobile Broadband CardUtility. To access the utility, double-click the icon located in the taskbar, atthe 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 DU T I L I T Y — Double-click the icon to launch the Dell Mobile BroadbandCard Utility. Check the status in the main window:• No card detected — Restart the computer, and launch the Dell MobileBroadband Card Utility again.• Check your WWAN service — Contact your cellular service provider toverify your plan coverage and supported services.Power ProblemsCAUTION: Before you begin any of the procedures in this section, follow thesafety instructions in theProduct Information Guide.C H E C K T H E P O W E R L I G H T — When the power light is lit or blinking, thecomputer has power. If the power light is blinking, the computer is in Sleepstate—press the power button to exit Sleep state. If the light is off, press thepower button to turn on the computer.NOTE: For information on the Sleep power state, see "Power Management Modes"on page 56.