error installing windows with drive formatted GPT AND MBR on mac pro

[callumcampbell15]

I've been trying for days to get windows 7 onto my "new" 2009 mac pro. it's fully decked out and i hope to install windows 10 onto it after installing 7. I've tried windows 7, 8 and 10, getting different error messages every time at the same spot. When selecting the partition I want to install windows on, I get error messages and am unable to proceed hitting the next button. I've tried everything i can think of, from partitioning under ntfs through to ex-fat on the main SSD (which gives me a whole other error), to removing the other SSHD's and installing whilst ignoring bootcamp entirely. I've finally got a solid error message installing windows that reads "Windows cannot be installed onto this disk. The selected disk is of the GPT partition style."



Here's where it gets frustrating (AGAIN)... when I make the disk MBR by formatting it as ex-fat or vice versa, it simply switches to say cannot install onto a disk of the MBR partition type. I'm absolutely lost. I've looked through countless forums and feel like i've tried everything. It's a 2009 mac pro, and i'm using the superdrive to install windows. please help as this is driving me crazy!

 

[jojesa]

Which Mac OS X does the 2009 MBP has?
How are you performing the installation of Windows 7 on your MBP?
You need to install Windows from Boot Camp Assistant in the Utilities folder.
The Windows installation media should be in ISO image format to be able to install Windows on your Mac.
You also need a 16GB or larger USB flash drive connected to your Mac during the Windows installation Boot Camp will erase the USB flash drive so make sure is empty or backup its content.