Troubleshooting guide

4–6 335795-006 Troubleshooting Guide
Diagnostics and Troubleshooting
CPU at nnnn Displays the running speed of the CPU.
Press ESC to skip memory test The user may press Esc to skip the full
memory test.
Keyboard error or no keyboard
present
Cannot initialize the keyboard. Make
sure the keyboard is attached correctly
and no keys are pressed during POST.
To purposely configure the system
without a keyboard, set the error halt
condition in Setup to HALT ON ALL,
BUT KEYBOARD. The BIOS then
ignores the missing keyboard during
POST.
Keyboard is locked out - Unlock the
key
The message usually indicates that one
or more keys have been pressed during
the keyboard tests. Be sure no objects
are resting on the keyboard.
Memory Test This message displays during a full
memory test, counting down the
memory areas being tested.
Memory Test Fail If POST detects an error during memory
testing, additional information appears
giving specifics about the type and
location of the memory error.
Override enabled - Defaults loaded If the system cannot boot using the
current CMOS configuration, the BIOS
can override the current configuration
with a set of BIOS defaults designed for
the most stable, minimal-performance
system operations.
POST Messages Procedures