PBU Log Instructions:
Please make sure to generate the error message at preboot before extracting the PBU log
Step 1: Obtain a blank USB removable media
Step 2: Create empty file named "WmUefi.ini" in the root folder;Use any FAT32 formatted USB memory stick;
Step 3: Plug the USB removable media into USB port of a computer you are going to test PBU on;
Step 4: Run SD PBU (it may work a bit slowly due to writing .log file);
Step 5: Once testing is done unplug the memory stick and find just created wmsdrv.log in the root folder of the USB stick