To perform a diagnostic using SupportAssist, launch the program and navigate to Troubleshooting. Select "I want to scan my entire PC" and click on Start. Save and close all files and applications before clicking OK to begin the scan. Click here for more information on SupportAssist.
Dell Preboot System Assessment Diagnostics
Watch this video to learn how to run a preboot diagnostic test on your Dell computer.
For a reference table of ePSA error codes, please visit our article, ePSA Reference Table.
Tutorial on SupportAssist for Home PCs
Dell introduces SupportAssist, a tool that helps optimize and maintain your PC's performance. It can scan for hardware issues, update drivers and important downloads, delete unnecessary files, and remove viruses and malware. SupportAssist can also predict and proactively resolve issues before they happen. Premium Support Plus offers the ultimate support with repairs for accidents and 24/7 availability. Completing your profile in SupportAssist helps Dell serve your support needs faster.