Troubleshooting 95
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
network connector on the back of the computer and the network connector.
CHECK THE NETWORK LIGHTS ON THE NETWORK CONNECTOR —No light indicates that no network
communication exists. Replace the network cable.
RESTART THE COMPUTER AND LOG ON TO THE NETWORK AGAIN.
CHECK YOUR NETWORK SETTINGS —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.
Wireless Local Area Network (WLAN)
For information about troubleshooting wireless local area networks, see "Wireless Local Area Network"
on page 50.
Mobile Broadband (Wireless Wide Area Network)
NOTE: The Dell Mobile Broadband Card Utility user’s guide is available through the Windows Help and Support
Center. To access the Help and Support Center, click Start
→
Help and Support. You can also download the Dell
Mobile Broadband Card Utility user’s guide from support.dell.com.
NOTE: Remove any network cables from the computer and disable the WLAN card. To disable the WLAN card,
click Start
→
Connect To
→
Wireless Network Connection
→
Disable.
NOTE: The icon appears on the Windows desktop if the computer has a Dell Mobile Broadband card
installed. Double-click the icon to launch the utility. Once the utility has launched, the icon appears in the
notification area.
CANNOT CONNECT —The Dell Mobile Broadband Card must be activated on the network in order to
connect. Once the Dell Mobile Broadband Card Utility has been launched, position the mouse over the
icon in the taskbar t o read the s tatus of the conne ction. If the status indicates the mobile broadband
card is not activated, see "Activate your Mobile Broadband card" on page 96 for more information. If
problems persist, contact your Mobile Broadband service carrier for details on your plan.
CHECK YOUR MOBILE BROADBAND NETWORK SERVICE —Contact your Mobile Broadband service carrier to
verify coverage plan and supported services.
CHECK THE STATUS IN THE DELL MOBILE BROADBAND CARD UTILITY —Click the icon on the Windows
desktop to launch the utility. Check the status in the main window:
•
No card detected
– Restart the computer and launch the utility again.
•
Radio Off
– Ensure the Mobile Broadband card is enabled by viewing the status in the Dell Mobile
Broadband Card Utility. If the card is disabled, enable the Mobile Broadband card by clicking the
Turn
Radio On
button in the main screen of the Dell Mobile Broadband Card Utility.