Dell Inspiron 5401 AIO Inspiron 24-5401 Service Manual - Page 69

Troubleshooting, SupportAssist diagnostics, Locate the Service Tag or Express Service Code of your

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5 Troubleshooting SupportAssist diagnostics About this task The SupportAssist diagnostics (previously known as ePSA diagnostics) performs a complete check of your hardware. The SupportAssist diagnostics is embedded in the BIOS and is launched by it internally. The SupportAssist diagnostics provides a set of options for particular devices or device groups. It allows you to: ● Run tests automatically or in an interactive mode. ● Repeat tests ● Display or save test results ● Run thorough tests to introduce additional test options and provide extra information about the failed device(s) ● View status messages that indicate if the tests are completed successfully ● View error messages that indicate if problems were encountered during the test NOTE: Some tests are meant for specific devices and require user interaction. Ensure that you are present in front of the computer when the diagnostic tests are performed. For more information, see SupportAssist Pre-Boot System Performance Check. Locate the Service Tag or Express Service Code of your Dell computer Your Dell computer is uniquely identified by a Service Tag or Express Service Code. To view relevant support resources for your Dell computer, we recommend entering the Service Tag or Express Service Code at www.dell.com/support. For more information on how to find the Service Tag for your computer, see Locate the Service Tag for your Dell Laptop. Display built-in self test About this task The following procedure provides the instructions on how to run the built-in self test for the display: Steps 1. Turn off your computer. 2. Press and hold the display built-in self test button. 3. Press and hold the power button. 4. Release the power button. 5. Hold the display built-in self test button until the test starts. Diagnostics Power status light: Indicates the power status. Troubleshooting 69

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Troubleshooting
SupportAssist diagnostics
About this task
The SupportAssist diagnostics (previously known as ePSA diagnostics) performs a complete check of your hardware. The
SupportAssist diagnostics is embedded in the BIOS and is launched by it internally. The SupportAssist diagnostics provides a set
of options for particular devices or device groups. It allows you to:
●
Run tests automatically or in an interactive mode.
●
Repeat tests
●
Display or save test results
●
Run thorough tests to introduce additional test options and provide extra information about the failed device(s)
●
View status messages that indicate if the tests are completed successfully
●
View error messages that indicate if problems were encountered during the test
NOTE:
Some tests are meant for specific devices and require user interaction. Ensure that you are present in front of the
computer when the diagnostic tests are performed.
For more information, see
SupportAssist Pre-Boot System Performance Check
.
Locate the Service Tag or Express Service Code of
your Dell computer
Your Dell computer is uniquely identified by a Service Tag or Express Service Code. To view relevant support resources for your
Dell computer, we recommend entering the Service Tag or Express Service Code at
www.dell.com/support
.
For more information on how to find the Service Tag for your computer, see
Locate the Service Tag for your Dell Laptop
.
Display built-in self test
About this task
The following procedure provides the instructions on how to run the built-in self test for the display:
Steps
1.
Turn off your computer.
2.
Press and hold the display built-in self test button.
3.
Press and hold the power button.
4.
Release the power button.
5.
Hold the display built-in self test button until the test starts.
Diagnostics
Power status light:
Indicates the power status.
5
Troubleshooting
69