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flopticalcube

macrumors G4
Original poster
I have an iMac7,1 (first alu iMac) and when I try to install Windows 7 x64 the DVD hangs on install whether I try the EFI Boot or the normal one. The 32-bit version has no problems. Any ideas?
 
Yes. It is a known issue if you are not using Boot Camp.

Follow this guide. I got Win 7 x86_64 to install on my Macbook Pro by following it. Newer Macs do not have the same problems, apparently.
 
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