(I found that I cannot show Startup Manager before because of my KVM. used Startup Manager (by pressing Alt/Option on start up) to choose booting from BOOTCAMP partition when the Windows Installer finished an initial installation and auto-restarted my Mac ran Windows Installer from my USB flash drive successfully when my Mac Mini automatically rebootedħ. (Boot Camp Assistant formatted my USB flash drive again as FAT32 with MBR. ran Boot Camp Assistant again to start making USB boot drive, partitioning and installation used another Windows PC to make ISO image from my DVD againĥ. ran Boot Camp Assistant to remove previous BOOTCAMP partitionĤ. formatted USB flash drive as Mac OS Extended (Journaled) with GUID Partition Table by using Disk Utilityģ. bought a new SanDisk Cruzer USB flash driveĢ. I have successfully installed Windows 7.ġ.