Troubleshooting 139Network ProblemsFill out the "Diagnostics Checklist" on page 200 as you complete thesechecks.CAUTION: Before you begin any of the procedures in this section, follow thesafety instructions in the Product Information Guide.CH 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 — Ensure that the network cable isfirmly inserted into both the network connector on the back of the computerand the network jack.CH 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 lightindicates that no network communication exists. Replace the network cable.RE S T A R T T H E C O M P U T E R A N D L O G O N T O T H E N E T W O R K A G A I NCH E C K Y O U R N E T W O R K S E T T I N G S — Contact your network administrator orthe person who set up your network to verify that your network settings arecorrect and that the network is functioning.Mobile 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.AC T I V A T E T H E MO B I L E BR O A D B A N D EX P R E S S CA 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.CH 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 DE L L MO B I L E BR O A D B A N D C A R DUT I L I T Y — Double-click the icon to launch the Dell Mobile BroadbandCard Utility. Check the status in the main window:
