Light Pattern
Problem Description
Troubleshooting
Steps
Diagnostic LEDs
Power Button LED
until you find the
bad one.
•
If the problem
persists, the
system board /
system board
component is
faulty.
Some other failure
has occurred.
•
Ensure that the
display/monitor
is plugged into a
discrete graphic
card.
•
Ensure that all
hard drives and
optical drive
cables are
properly
connected to
the system
board.
•
If there is an
error message
on the screen
identifying a
problem with a
device (such as
the floppy drive
or hard drive),
check the
device to make
sure it is
functioning
properly.
•
If the operating
system is
attempting to
boot from a
device (such as
the floppy drive
or optical drive),
check system
setup to ensure
the boot
sequence is
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