Since ePSA is integrated into your hardware's firmware, you do not need to download or install software to use it. Use one of the following methods to launch it: Power off your computer.
If ePSA identifies no errors but your system is still unstable, Dell recommends downloading the latest BIOS update for your specific model from Dell Support to improve hardware compatibility. Understanding ePSA Test Results dell epsa pre-boot system assessment download
Turn it back on and immediately tap the repeatedly until the One Time Boot Menu appears. Use the arrow keys to select Diagnostics and press Enter. The Fn Key Method (Laptops): Ensure the AC adapter is connected. Press and hold the Fn key , then press the Power button . Since ePSA is integrated into your hardware's firmware,