Dell Precision R7600 Dell Precision Workstation R7610 Owner's Manual - Page 101

Troubleshooting, Diagnostic LEDs

Page 101 highlights

46 Troubleshooting Diagnostic LEDs NOTE: The diagnostic LEDs only serve as an indicator of the progress through the POST process. These LEDs do not indicate the problem that caused the POST routine to stop. The diagnostic LEDs are located on the front of the chassis next to the power button. These diagnostic LEDs are only active and visible during the POST process. Once the operating system starts to load, they turn off and are no longer visible. The system now includes pre-POST and POST LEDs in an attempt to help pinpointing a possible problem with the system easier and more accurate. NOTE: The diagnostic lights will blink when the power button is amber or off, and will not blink when it is blue. This has no other significance. Light Pattern Diagnostic LEDs Power Button LED Problem Description Troubleshooting Steps The computer is either turned off or is not receiving power. • Re-seat the power cable in the power connector at the back of the computer and the electrical outlet. • Bypass power strips, power extension cables, and other power protection devices to verify that the computer turns on properly. • Ensure that any power strips being used are plugged into an electrical outlet and are turned on. • Ensure that the electrical outlet is working by testing it with another 101

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46
Troubleshooting
Diagnostic LEDs
NOTE:
The diagnostic LEDs only serve as an indicator of the progress through the POST process. These LEDs do
not indicate the problem that caused the POST routine to stop.
The diagnostic LEDs are located on the front of the chassis next to the power button. These diagnostic LEDs are only
active and visible during the POST process. Once the operating system starts to load, they turn off and are no longer
visible.
The system now includes pre-POST and POST LEDs in an attempt to help pinpointing a possible problem with the system
easier and more accurate.
NOTE:
The diagnostic lights will blink when the power button is amber or off, and will not blink when it is blue. This
has no other significance.
Light Pattern
Problem Description
Troubleshooting Steps
Diagnostic LEDs
Power Button LED
The computer is either
turned off or is not receiving
power.
Re-seat the power
cable in the power
connector at the
back of the
computer and the
electrical outlet.
Bypass power
strips, power
extension cables,
and other power
protection devices
to verify that the
computer turns on
properly.
Ensure that any
power strips being
used are plugged
into an electrical
outlet and are
turned on.
Ensure that the
electrical outlet is
working by testing it
with another
101