Network Problems; General; Wireless Local Area Network (Wlan); Mobile Broadband (Wireless Wide Area Network) - Dell Latitude D630 User Manual

• Run the Dell Diagnostics (see "Dell Diagnostics" on page 75).
F Y O U E X P E R I E N C E O T H E R M E M O R Y P R O B L E M S
I
• Reseat the memory modules (see "Memory Problems" on page 88) to ensure that your computer is
successfully communicating with the memory.
• Ensure that you are following the memory installation guidelines (see "Memory Problems" on page 88).
• Run the Dell Diagnostics (see "Dell Diagnostics" on page 75).

Network Problems

Fill out the Diagnostics Checklist (see "Diagnostics Checklist" on page 139) 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.

General

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
C
network connector on the back of the computer and the network connector.
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
C
communication exists. Replace the network cable.
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
R
H E C K Y O U R N E T W O R K S E T T I N G S
C
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 48.

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
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
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.
—
Ensure that the network cable is firmly inserted into both the
—
Contact your network administrator or the person who set up your
—
→
Wireless Network Connection
No light indicates that no network
—
.
→
Help and Support. You can also download the Dell
→
Disable.
89
Troubleshooting