Dell Precision 420 User Manual
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Messages and Codes: Dell Precision™ WorkStation 420 Systems User's Guide
Overview
Your application programs, operating system, and the computer itself are capable of identifying problems and alerting you to them. When a
problem occurs, a message may appear on your monitor screen or a beep code may sound. See "
"
for information about each message or beep code.
System Messages
If you receive a system message, see
for suggestions on resolving any problems indicated by the message. The system messages are
listed alphabetically.
Table 1. System Messages
Simple Network Management Protocol (SNMP) Platform Event
Traps
NOTE: If the system message you received is not listed in the table, check the documentation for the application program that you were
running at the time the message appeared and/or the operating system documentation for an explanation of the message and a
recommended action.
Message
Cause
Action
Address mark not found
The basic input/output system
(BIOS) found a faulty disk sector or
could not find a particular disk
sector.
See "
Troubleshooting Drives
."
Alert! Card-cage fan not detected.
Expansion card cage fan is not
installed in mini tower chassis;
expansion card cage fan has failed;
expansion card cage fan is not
connected to the system board.
Ensure that an operational expansion
card cage fan is installed and connected
to the system board.
Alert! Cover was previously removed.
The computer cover was removed.
Reset
Chassis Intrusion
in System Setup.
Alert! Hard drive thermal probe not
detected.
No hard-disk drive thermal probe is
installed; system has a defective
thermal probe; thermal probe cable
is not connected to the control panel.
Ensure that an operational hard-disk drive
thermal probe is installed and connected
to the control panel.
Alert! Power supply fan failure.
Power supply fan has failed or is
blocked.
Ensure that an operational power supply
fan is installed and that chassis ventilation
slots are not blocked.
Alert! Previous card-cage fan failure.
Expansion card cage fan has failed
or is blocked.
Ensure that an operational expansion
card cage fan is installed, connected to
the system board, and that chassis
ventilation slots are not blocked.
Alert! Previous hard drive temperature
failure.
Hard-disk drive(s) exceeded
recommended operating
temperature range during the
previous operating session.
Ensure that fans are operational and that
chassis ventilation slots are not blocked.
Alert! Previous power supply fan failure.
Power supply fan failed or was
blocked during the previous
operating session.
Ensure that an operational power supply
fan is installed and that chassis ventilation
slots are not blocked.
Alert! Previous shutdown due to thermal
event.
Microprocessor(s) or hard-disk drive
(s) exceeded recommended
operating temperature range during
the previous operating session.
System was shut down to protect the
components.
Ensure that fans are operational and that
chassis ventilation slots are not blocked.