: Many Z-series workstations experience boot loops or failure to wake from sleep after a Windows 10 update (specifically version 1803 or later). Updating to at least v1.23 is often the first step in a two-part process to fix these OS-level stability issues.
This article provides a comprehensive guide on what this file is, why it is essential for your workstation’s health, and how to use it safely. sp64701.exe
6 Jun 2017 — * HP Z420 Workstation. * Microsoft Windows 10 (64-bit) HP Support Community Unable to update HP z420 BIOS from 1.02 to current 3.91 : Many Z-series workstations experience boot loops or
: Tools required to write the new firmware to the motherboard's ROM. sp64701.exe