Enhanced Pre-Boot System Assessment (Epsa) Diagnostics; Running The Epsa Diagnostics - Dell XPS 13 Service Manual

8 The BIOS Update Utility appears. Follow the instructions on the screen to
complete the BIOS update.
Enhanced Pre-Boot System Assessment
(ePSA) diagnostics
The ePSA diagnostics (also known as system diagnostics) performs a complete
check of your hardware. The ePSA is embedded with the BIOS and is launched by
the BIOS internally. The embedded system diagnostics provides a set of options for
particular devices or device groups allowing 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 to provide extra
information about the failed device(s)
• View status messages that inform you if tests are completed successfully
• View error messages that inform you of problems encountered during testing
NOTE: Some tests for specific devices require user interaction. Always
ensure that you are present at the computer terminal when the diagnostic
tests are performed.
For more information, see

Running the ePSA Diagnostics

Invoke diagnostics boot by either of the methods that are suggested below:
1 Power on the computer.
2 As the computer boots, press the F12 key when the Dell logo is displayed.
3 In the boot menu screen, use Up/Down arrow key to select the Diagnostics
option and then press Enter.
NOTA: The Enhanced Pre-boot System Assessment window displays,
listing all devices detected in the computer. The diagnostics starts
running the tests on all the detected devices.
4 Press the arrow in the lower-right corner to go to the page listing.
The detected items are listed and tested.
5 To run a diagnostic test on a specific device, press Esc and click Yes to stop the
diagnostic test.
112
Dell EPSA Diagnostic 3.0.