Dell Precision R7600 Dell Precision Workstation R7610 Owner's Manual - Page 101
Troubleshooting, Diagnostic LEDs
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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 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