There are three types of BIOS error messages that are displayed
depending on the severity of the issue. They are:
Errors That Halt Your
Computer Completely
These error messages will halt the computer
requiring you to cycle the system's power. The following table lists
the error messages.
Table 1. Errors that
halt your computer completely
Error Message
Error! Non-ECC DIMMs are not supported on this system.
Alert! Processor cache size is mismatched.
Install like processor
or one processor.
Alert! Processor type mismatch.
Install like processor or
one processor.
Alert! Processor speed mismatch
Install like processor or
one processor.
Alert! Incompatible Processor detected.
Install like processor
or one processor.
Errors That Do Not
Halt Your Computer
These error messages will not halt your
computer, but will display a warning message, pause for a few seconds,
and then continue to boot. The following table lists the error messages.
Table 2. Errors that
do not halt your computer
Error Message
Alert! Cover was previously removed.
Errors That Soft Halt
Your Computer
These error messages will cause a soft halt
of your computer and you will be prompted to press <F1> to continue
or <F2 > to enter the system setup. The following table lists the
error messages.
Table 3. — Errors that
soft halt your computer
Error Message
Alert! Front I/O Cable failure.
Alert! Left Memory fan failure.
Alert! Right Memory fan failure.
Alert! PCI fan failure.
Alert! Chipset heat sink not detected.
Alert! Hard Drive fan1 failure.
Alert! Hard Drive fan2 failure.
Alert! Hard Drive fan3 failure.
Alert! CPU 0 fan failure.
Alert! CPU 1 fan failure.
Alert! Memory related failure detected.
Alert! Correctable memory error has been detected in memory
slot DIMMx.
Warning: Non-optimal memory population detected. For increased
memory bandwidth populate DIMM connectors with white latches before
those with black latches.
Your current power supply does not support the recent configuration
changes made to your system. Please contact Dell Technical support
team to learn about upgrading to a higher wattage power supply.
Dell Reliable Memory Technology (RMT) has discovered and isolated
errors in system memory. You may continue to work. Memory module replacement
is recommended. Please refer to the RMT Event log screen in BIOS setup
for specific DIMM information.
Dell Reliable Memory Technology (RMT) has discovered and isolated
errors in system memory. You may continue to work. Additional errors
will not be isolated. Memory module replacement is recommended. Please
refer to the RMT Event log screen in BIOS setup for specific DIMM
information.