Knowledge Base

Resolve Hardware Issues Using ePSA or PSA Diagnostics and Guide to Error Codes


This article provides information on Dell Enhanced Pre-Boot System Diagnostics (ePSA) - diagnostics that are built into the hardware of your system. These tests allow you to check the hardware of your system from outside the Windows® operating system removing software from the diagnostic process.
Based on the diagnostic findings, the list of codes assist you in troubleshooting the issue.

Video (English Only) - Dell Diagnostics


How to start ePSA Diagnostics?

To run the Enhanced Pre-boot System Assessment (ePSA) diagnostics on a Dell desktop or all-in-one system, perform the steps below:

  1. Restart the computer.
  2. As the computer boots, press <F12> when the Dell Splash Screen appears.
  3. At the One Time Boot menu, press the <Down> arrow key to highlight Diagnostics and press <enter>
  4. A graphical menu listing all discovered devices in the system is now displayed and the express diagnostics should run (Takes about 4 minutes).

To run the Enhanced Pre-boot System Assessment (ePSA) diagnostics on a Dell Portable, perform the steps below:

  1. Shutdown the computer.
  2. Press and Hold the <Fn> key while pressing the power button, then release both.
  3. A graphical menu listing all discovered devices in the system is now displayed and the express diagnostics should run (Takes about 4 minutes).

How to start PSA Diagnostics?

  1. Turn the computer off.
  2. Turn the computer back on.
  3. Immediately at the Dell logo screen, starting tapping the <F12> key once a second until the One Time Boot menu appears (if the computer boots to Windows turn the computer off and try again).
  4. At the One Time Boot menu, press the arrow key to highlight Diagnostics, PSA+ or Enter ePSA, then press to begin the PSA.
  5. Write down any Error Codes and Validation codes listed.
Note: Some systems do not have an F12 key, to access the boot options you have to press the <0> (zero) key at the Dell logo screen.

Use Interactive Search Agent to Analyze the Error Code?

Dell's Interactive Search Agent can provide you with information regarding your specific error code.
You may need to provide information on what version of Diagnostics your computer has installed to get the correct results.

Note: To find out what version of diagnostics your computer has, look at the top of the screen. If it shows "Pre Boot System Assessment" select PSA or PSA+. If it shows "ePSA Pre Boot System Assessment", select ePSA.

Click Here to access our Interactive Search Agent


Already have an error code from running the ePSA diagnostics?

If you have already run a preboot assessment (ePSA), enter the error and validation codes with your Service Tag on the link below and complete the online steps to resolve your issue.


Additional Information




Article ID: SLN115162

Last Date Modified: 04/23/2015 03:49 AM


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