Owner`s manual

Light Pattern Problem Description Troubleshooting Steps
Diagnostic LEDs Power Button LED
Memory modules are
detected, but a memory
configuration or
compatibility error has
occurred.
• Ensure that no
special
requirements for
memory module/
connector
placement exist.
• Ensure that the
memory you are
using is supported
by your computer.
A possible expansion card
failure has occurred.
• Determine if a
conflict exists by
removing an
expansion card (not
a graphics card)
and restarting the
computer.
• If the problem
persists, reinstall
the card you
removed, then
remove a different
card and restart the
computer.
• Repeat this process
for each expansion
card installed. If the
computer starts
normally,
troubleshoot the
last card removed
from the computer
for resource
conflicts.
A possible system board
resource and/or hardware
failure has occurred.
• Clear CMOS.
• Disconnect all
internal and
external
peripherals, and
restart the
computer. If the
computer boots,
add the peripheral
cards back one by
one 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
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