Dell Studio 1457 (Late 2009) - Manual (Page 47)

45
Solving Problems
Beep Code Possible Problem
One
Possible motherboard failure -
BIOS ROM checksum failure
Two No RAM detected
NOTE: If you installed or
replaced the memory module,
ensure that the memory module
is seated properly.
Three Possible motherboard failure -
Chipset error
Four RAM read/write failure
Five Real Time Clock failure
Six Video card or chip failure
Seven Processor failure
Eight Display failure
.
Network Problems
Wireless Connections
If the wireless network connection is lost
—
The wireless router is offline or wireless has
been disabled on the computer.
Check your wireless router to ensure it is •
powered on and connected to your data
source (cable modem or network hub).
Ensure that wireless is enabled (see “Enable
•
or Disable Wireless” on page 12).
Re-establish your connection to the
•
wireless router (see ”Setting Up a Wireless
Connection” on page 15).
Interference may be blocking or interrupting
•
your wireless connection. Try moving the
computer closer to your wireless router.
Wired Connections
If the network connection is lost — The cable
is loose or damaged.
Check the cable to ensure it is plugged in •
and not damaged.