Hello, I am the 1tb fusion drive and am installing via attached superdrive. when the iMac reboots into windows setup, I get to the part where I select the partition. I get a message that win7 cannot be installed because the partition is not formatted correctly. I format the partition labeled BOOTCAMP and try to continue. win7 says it cannot be installed on that partition. These are the steps I did in the pas on an older iMac with no issues. After formatting, the label BOOTCAMP disappears. Thanks for the help.