If the error code 2000-0251 is reported every time you launch the ePSA diagnostics on a Dell personal computer, then follow the resolution steps listed below.
The error message indicates that the event log has not been checked lately. The event log provides various BIOS and Diagnostic events, which does not mean that there is an issue with your personal computer.
Cause information is not available.
Check the event log in the BIOS to note down and address any errors listed and then clear the system logs
Update the BIOS to the Latest Version:
Go to the Dell Support Site
Enter your service tag or express service code to get drivers specific to how your system shipped
Alternatively you can choose your system from the product list to get a general list of drivers for that system
Click the Drivers and Downloads drawer in the menu
Ensure that you have the correct operating system set
Select BIOS from the category drop-down
Click the download link
Once you double-click the install file - follow the on-screen instructions to update to this revision
Repeat the PSA Diagnostics and see if the error repeats. Learn How to Run a Preboot Diagnostic Test on a Dell Computer.
If the issue continues, then please contact us for further support, contact Dell Technical Support.
For a complete list of 2000-series PSA error codes, see KB article Reference Table of ePSA, PSA Error Codes, and Troubleshooting Steps (2000-0NNN Series)