156 Solving Problems
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System Messages

If you receive a system message, see the following table for suggestions on

resolving problems indicated by the message. The system messages are

listed alphabetically.

NOTE: If the system message you received is not listed in the table, check the
documentation for the application program that you were r unning at the time
the message appeared and/or the operating system documentation for an
explanation of the message and a recommended action.
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! Cover was
previously removed. The computer cover was removed. Reset Chassis In trusion in system setup.
Alert! Hard drive thermal
probe not detected. No hard-drive thermal probe is
installed; computer has a defective
thermal probe; thermal probe cable is
not connected to the control panel.
Ensure that an operational hard-drive
thermal probe is installed and connected
to the control panel.
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 system failed to complete the
boot routine three consecutive times
for the same error.
Contact Dell for technical assistance, and
report the checkpoint code (nnnn) to the
support technician.
Alert! Previous hard drive
thermal failure. One of the hard drives overheated the
last time you started the computer. Make sure that nothing is blocking the
vents on the back of the computer and
that all fans inside the computer are
working.
Alert! Previous shutdown
due to thermal event. Microprocessor(s) or hard drive(s)
overheated the last time you started
the computer. Computer was shut
down to protect the components.
Make sure that nothing is blocking the
vents on the back of the computer and
that all fans inside the computer are
working.
Alert! System battery
voltage is low. System battery is providing
inadequate voltage. See "Battery Problems."