בעיות‬ ‫פתרון; פרק; Diagnostic Leds - Dell OptiPlex 390 Small Form Factor Owner's Manual

20
The diagnostic LEDs only serve as an indicator of the progress through the
Power-on Self-Test (POST) process. These LEDs do not indicate the problem that
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
The system now includes pre-POST and POST LEDs in an attempt to help
. identifying a possible problem with the system easier and more accurate
The diagnostic lights will blink when the power button is amber or off, and will
The computer is either turned off or is not receiving
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
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 device, such as a lamp
67
. not blink when it is blue. This has no other significance
. computer turns on properly
‫בעיות‬

Diagnostic LEDs

. caused the POST routine to stop
Diagnostic Light Patterns
. power
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•
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•
‫פתרון‬
:
‫הערה‬
. longer visible
:
‫הערה‬
LED
Power Button
Problem
Description
Troubleshooting
Steps