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● View error messages that inform you of issues encountered during testing
Run the Embedded System Diagnostics from Boot Manager
If your system does not boot, run the Embedded System Diagnostics (ePSA).
1. During the boot process, press F11.
2. Use the up arrow and down arrow keys to select System Utilities > Launch Diagnostics.
3. Alternatively, during the system boot process, press F10 and select Hardware Diagnostics > Run Hardware Diagnostics.
The ePSA Pre-boot System Assessment window displays, lists all the devices that are detected, and runs the diagnostic
test on the detected devices.
Run the Embedded System Diagnostics from the Dell Lifecycle Controller
1. During the boot cycle, press F10.
2. Select Hardware Diagnostics > Run Hardware Diagnostics.
The ePSA Pre-boot System Assessment window displays, lists the devices that are detected in the system, and then runs
the diagnostic test on the detected devices.
System diagnostic controls
This following table describes the details of the options available on the System diagnostic controls screen.
Menu
Configuration
Results
System health
Event log
System board diagnostic LED indicators
The system board LED indicators provide status of the system when it is powered on, which help identify POST and hardware
issues.
For information about the different LED indicator sequences and description, see the interactive LED pattern decoder tool
-https://internal.software/blink/.
Enhanced Preboot System Assessment
If you experience an issue with the system, run the system diagnostics before contacting Dell for technical assistance. The
system diagnostics test allows you to troubleshoot the system hardware without requiring more equipment or risking data loss.
If you are unable to fix the issue yourself, service and support personnel can use the diagnostics results to help resolve the
issue.
Dell Embedded System Diagnostics
The Embedded System Diagnostics, also known as Enhanced Preboot System Assessment (ePSA) diagnostics, provides a set of
options for particular device groups or devices that allow you to:
● Run tests automatically or in an interactive mode.
● Repeat tests
● Display or save test results.
● Introduce more test options for extra information about the failed devices, run a thorough test.
Description
Displays the configuration and status information of all detected devices.
Displays the results of all tests that are run.
Provides the current overview of the system performance.
Displays a time-stamped log of the results of all tests run on the system. This is
displayed if at least one event description is recorded.
System diagnostics and indicator codes
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