Broadcom Corporation BRCM1020 Manuel D’Utilisation

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Troubleshooting
I
F
 
YOU
 
EXPERIENCE
 
OTHER
 
MEMORY
 
PROBLEMS
Reseat the memory modules to ensure that your computer is successfully 
communicating with the memory (see "Memory" on page 144).
Ensure that you are following the memory installation guidelines (see 
"Memory" on page 144).
Run the Dell Diagnostics (see "Dell Diagnostics" on page 101)
Network Problems
 
CAUTION: 
Before you begin any of the procedures in this section, follow the 
safety instructions in the Product Information Guide.
C
HECK
 
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 jack.
C
HECK
 
THE
 
NETWORK
 
LIGHTS
 
ON
 
THE
 
NETWORK
 
CONNECTOR
No light 
indicates that no network communication exists. Replace the network cable.
R
ESTART
 
THE
 
COMPUTER
 
AND
 
LOG
 
ON
 
TO
 
THE
 
NETWORK
 
AGAIN
C
HECK
 
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.
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
CTIVATE
 
THE
  M
OBILE
  B
ROADBAND
  E
XPRESS
C
ARD
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