Dell Studio XPS 435T / 9000 (Early 2009) - Manual (Page 28)

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This section provides troubleshooting
information for your computer. If you are unable
to solve your problem using the following
guidelines, see “Using Support Tools” on
page 33 or “Contacting Dell” on page 53.
WARNING: Only trained service personnel
should remove the computer cover. See
the
Service Manual on the Dell Support
website at support.dell.com for advanced
service and troubleshooting instructions.
WARNING: Before working inside your
computer, read the safety information that
shipped with your computer. For additional
safety best practice information, see the
Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.
Beep Codes
Your computer might emit a series of beeps
during start‑up if the monitor cannot display
errors or problems. The following repetitive
beep codes help you troubleshoot problems
with your computer.
NOTE: To replace parts, see the Service
Manual on the Dell Support website at
support.dell.com.
One beep — BIOS ROM checksum failure;
possible motherboard failure
Contact Dell (see “Contacting Dell” on page 53).
Two beeps —
No RAM detected
Remove the memory modules, reinstall •
one module and restart the computer. If
the computer starts normally, reinstall an
Solving Problems