Dell PP22L manual Network Problems, Mobile Broadband Wireless Wide Area Network Wwan, 131

Network Problems

Fill out the "Diagnostics Checklist" on page 191 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.

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 — 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.

R E 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 N

C H 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 or the person who set up your network to verify that your network settings are correct 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 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.

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 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.

Troubleshooting

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