Step 1: Press Window + R key to invoke Run dialog.How do I turn off diagnostic boot? Part 3: How to disable diagnostic startup Windows 10 Factory reset, restore, or reinstall Microsoft Windows on a Dell computer. These are called the Dell Enhanced Pre- Boot System Assessment ( ePSA) or Dell Pre- Boot System Assessment (PSA) Diagnostics. Moreover, what is a Dell ePSA pre boot system assessment?ĭell has a suite of self-diagnostics that is of built into Notebooks, Desktops, Servers and Windows based Tablets. The System Password status will change to 'Not Set'.Enter the System or Admin Password to access the BIOS settings.Reboot the machine and press F2 at the Dell BIOS Splash Screen.
