Dell Precision T1600 Service Manual page 69

Light Pattern
Diagnostic LEDs Power Button LED
Problem Description
A possible system
board failure has
occurred.
Power connector
not installed
properly.
Possible peripheral
card or system
board failure has
occurred.
A possible system
board failure has
occurred.
Troubleshooting
Steps
Remove all
peripheral cards
from the PCI and
PCI-E slots and re-
start the computer.
If the computer
boots, add the
peripheral cards
back one by one
until you find the
bad one.
Re-seat the 2x2
power connector
from the power
supply unit.
Remove all
peripheral cards
from the PCI and
PCI-E slots and re-
start the computer.
If the computer
boots, add the
peripheral cards
back one by one
until you find the
bad one.
• Disconnect all
internal and
external
peripherals, and
re-start 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
69