Started with Vista Home Premium 64-bit (partition c. Installed Win7 Pro 64-bit on partition labeled f: Found this forum and the EasyBCD 2.0 Beta builds and successfully changed my boot drive to f: Added the Vista installation back to the boot menu. So now I can dual-boot successfully. What I would like to do, however, is hide the vista partition when in win7 and vice versa. I tried just changing the drive letters in Disk Management, but it would not allow me to change the drive letter of the win7 partition (I was booted into win7 at the time). Is there a way to do this without using a proprietary boot manager?