Dell Inspiron Mini Duo (1090, Late 2010) - Manual (Page 44)

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This section provides troubleshooting
information for your computer. If you cannot
solve your problem using the following
guidelines, see “Using Support Tools” on
page 49 or “Contacting Dell” on page 72.
WARNING: Only trained service
personnel should remove the computer
cover. See the
Service Manual at
support.dell.com/manuals for advanced
service instructions.
Beep Codes
Your computer might emit a series of beeps
during start-up if there are errors or problems.
This series of beeps, called a beep code,
identifies a problem. If this occurs, note
down the beep code and contact Dell (see
“Contacting Dell” on page 72) for assistance.
NOTE: To replace parts, see the Service
Manual at support.dell.com.
Beep
Code Possible Problem
One Possible system board 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 system board 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
Solving Problems
INSPIRON