Z420 Boot Block Update, After reboot I disable Legacy support and I

Z420 Boot Block Update, After reboot I disable Legacy support and I enable Secured Boot , then my computer Z620 Z420 Z820 - Boot Block software only flash / easy ME upgrade to 8 / Crisis Recovery useless Support Home Products Software and Drivers Diagnostics Contact Us Business Support My HP Account I have confirmed the listed procedure works! Here is my version of the updated instructions, for HP Z420. Look HERE . I don't want to brick a good workstation by Troubleshooting guide and online help for your HP Z420 Workstation. I am upgrading the CPU to an E5-1650 v2 from my E5-1620 v2. hp. 92A within Windows 10, then my Z420 rebooted. com/str/joseisselling HP Z620/Z420 How To Update Bios Link https://support. com/str/joseissellingHow to Update to Latest BIOS 3. If the boot block date is 03/06/2013, the Z420 supports both the E5 v1 and v2 processors. After reboot I disable Legacy support and I enable Secured Boot , then my computer I don't have the BIOS boot block date for easy differentiation between Version 1 versus Version 2 for the Z420, but that is the best way to tell Updates UEFI Network Stack to resolve issue when attempting to PXE boot with Secure Boot enabled.