The "EFI System Partition" located at the beginning of the USB memory used to create Deploy USB media cannot be deleted by using Disk Management feature.
Therefore, when reusing the USB memory used to create Deploy USB media, please use the following operating procedures to delete the data in the USB memory
1) Log in as Administrator and launch command prompt. 2) Run DiskPart command. > diskpart 3) Check the disk number of USB memory. > list disk 4) Select the disk number of USB memory. * In case the disk number of USB memory is "1". > select disk 1 5) Delete the data in USB memory. * Please be aware that the data in the selected disk are entirely purged. > clean 6) End DiskPart. > exit
- ActiveImage Deploy USB