Dell Inspiron 580s (Late 2009) - Manual (Page 37)

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Using Support Tools
System Messages
If your computer has an issue or error, it may
display a system message that will help you
identify the cause and action needed to resolve
the issue.
NOTE: If the message you received is not
listed in the following examples, see the
documentation for either the operating
system or the program that was running
when the message appeared.
Alert! Previous attempts at booting this system
have failed at checkpoint [nnnn]. For help
in resolving this problem, please note this
checkpoint and contact Dell Technical
Support — The computer failed to complete
the boot routine three consecutive times for
the same error. Contact Dell for assistance (see
“Contacting Dell” on page 55).
CMOS checksum error — Possible
motherboard failure or coin‑cell battery low.
Battery needs replacement. See the Service
Manual at support.dell.com/manuals or contact
Dell for assistance (see “Contacting Dell” on
page 55).
CPU fan failure — CPU fan has failed. CPU
fan needs replacement. See the Service Manual
at support.dell.com/manuals.
System fan failure — System fan has failed.
System fan needs replacement. See the Service
Manual at support.dell.com/manuals.
Hard-disk drive failure — Possible hard‑disk
drive failure during HDD POST. Contact Dell for
assistance (see “Contacting Dell” on page 55).
Hard-disk drive read failure — Possible
hard‑disk drive failure during HDD boot test.
Contact Dell for assistance (see “Contacting
Dell” on page 55).
Keyboard failure — Replace keyboard or check
the cable for loose connection.