Having an issue with a driver working in WinPE 4 (Version 6.2.9200), but not WinPE 3 (6.1.7600). I am attempting to install an Intel vPro MEI (Management Engine Interface/HECI) driver into WinPE. I am using a Lenovo X240. Using a vanila WinPE image in both instances (both 32 bit). Injecting the driver (which is for Win 8.1, 8, & 7) with Dism. Using the driver from the Lenovo Driver Site (Intel Management Engine 9.5 Software for Windows 8.1 (64-bit), 8 (64-bit), 7 (32-bit, 64-bit) || 26 Jan 2014 || Version: 9.5.22.1760) - extracted package and using HECI.inf in the drivers folder. - Lenovo X240 MEI driver works in WinPE 4.0 (Microsoft Windows [Version 6.2.9200]) o PE Image built with Windows AIK - Lenovo X240 MEI driver does NOT work in WinPE 3.0 (Microsoft Windows [Version 6.1.7600]) o PE Image built with Windows ADK Version numbers taken from the command prompt command in WinPE: ver How can I move forward in getting the driver working on Version 6.1.7600? Thanks for any help!