Dell 6400 Laptop User Manual


 
Solving Problems 93
RUN THE DELL DIAGNOSTICS If all tests run successfully, the error condition is related to a software
problem. See "Dell Diagnostics" on page 79.
Memory Problems
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product
Information Guide.
I
F YOU RECEIVE AN INSUFFICIENT MEMORY MESSAGE
Save and close any open files and exit any open programs you are not using to see if that resolves the
problem.
See the software documentation for minimum memory requirements. If necessary, install additional
memory
(see "Memory" on page 114)
.
Reseat the memory modules to ensure that your computer is successfully communicating with the
memory
(see "Memory" on page 114)
.
Run the Dell Diagnostics
(see page 79)
.
IF YOU EXPERIENCE OTHER MEMORY PROBLEMS
Reseat the memory modules to ensure that your computer is successfully communicating with the
memory
(see "Memory" on page 114)
.
Ensure that you are following the memory installation guidelines
(see "Memory" on page 114)
.
Run the Dell Diagnostics
(see page 79)
.
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.
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.
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 the Windows Help and Support Center. To access the Help and Support Center, see
"Windows Help and Support Center" on page 13. You can also download the Dell Mobile Broadband Card Utility
user’s guide from support.dell.com.