Solving Problems 183
System Messages
Message Cause Action
Address mark not found The BIOS found a faulty disk sector
or could not find a particular disk
sector.
See "Hard Drive Problems."
Alert! Card-cage fan not
detected. The expansion-card cooling fan is not
installed, has failed, or is not properly
connected to the system board.
Ensure that an operational expansion-card
cooling fan is installed and connected to
the system board.
To locate the expansion-card cooling fan,
see "Inside the Computer."
Alert! Chipset heat sink
not detected. The chip set heat sink is not properly
installed on the system board. Ensure that chip set heat sink is properly
installed on the system board.
To locate the system-board chip set heat
sink, see "System Board Components."
Alert! Cover was
previously removed. The computer cover was opened. Enter system setup and reset the Chassis
Intrusion option.
Alert! CPU 0 failed Build-
In Self Test (BIST). The microprocessor 0 is faulty or
improperly seated. See "Microprocessor Problems."
Alert! CPU 1 failed Build-
In Self Test (BIST). The microprocessor 1 is faulty or
improperly seated. See "Microprocessor Problems."
Alert! CPU 0 fan not
detected. The microprocessor 0 cooling fan is
not installed, has failed, or is not
properly connected to the system
board.
Ensure that an operational cooling fan for
microprocessor 0 is installed and
connected to the system board. Also,
ensure that the microprocessor airflow
shroud is properly installed.
See "Microprocessor Airflow Shroud."
Alert! CPU 1 fan not
detected. The microprocessor 1 cooling fan is
not installed, has failed, or is not
properly connected to the system
board.
Ensure that an operational cooling fan for
microprocessor 1 is installed and
connected to the system board. Also,
ensure that the microprocessor airflow
shroud is properly installed.
See "Microprocessor Airflow Shroud."