Dell Studio XPS 435 MT (Late 2008) - Manual (Page 29)

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Solving Problems
additional module. Continue until you have
identified a faulty module or reinstalled all
modules without an error.
If available, install memory modules of the •
same type in your computer.
If the problem persists, contact Dell (see •
“Contacting Dell” on page 53).
Three beeps — Possible motherboard failure
Contact Dell (see “Contacting Dell’ on page 53).
Four beeps — RAM read/write failure
Ensure that no special memory module/ •
memory connector placement requirements
exist (see the
Service Manual on the Dell
Support website at support.dell.com).
Verify that the memory modules that you are •
installing are compatible with your computer.
If the problem persists, contact Dell •
(see “Contacting Dell” on page 53).
Five beeps — Real Time Clock failure
Replace the battery.
Six beeps — Video BIOS test failure
Contact Dell (see “Contacting Dell” on page 53).
Network Problems
Wireless Connections
If the 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).
Re-establish your connection to the wireless •
router:
Save and close any open files, and exit a.
any open programs.
Click b. Start → Connect To.
Follow the instructions on the screen to c.
complete the setup.