Dell Inspiron 1521 (Mid 2007) - Manual (Page 123)

Troubleshooting
123
Memory Problems
Fill out the "Diagnostics Checklist" on page 178 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.
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 150).
• Reseat the memory modules to ensure that your computer is successfully
communicating with the memory (see "Memory" on page 150).
• Run the Dell Diagnostics (see "Dell Diagnostics" on page 101).
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 150).
• Ensure that you are following the memory installation guidelines (see
"Memory" on page 150).
• Run the Dell Diagnostics (see "Dell Diagnostics" on page 101).
Network Problems
Fill out the "Diagnostics Checklist" on page 178 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 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.