Things Required:

Snow Leopard Install Disc
Windows 7 x64 (32 Bit WILL NOT WORK!)

1. Boot into the Snow Leopard installer. I used GigabyteOSX but I understand Empire EFI is pretty nice also.

2. Partition your Hard Drive in a GPT partition table. I only made 2 partitions, 1 HFS+ Journaled for OSX and another FAT for Windows.

3. Install Snow Leopard, I am pretty sure that is pretty self explanatory. Find a guide or method that works for you. Make sure you get Chameleon installed and working.

4. Reboot and boot from the Windows 7 DVD, install Windows 7.

5. After Windows 7 is installed, after your reboot, Windows will be the only OS bootable. To fix this:

– Open startmenu and in search type “cmd”
– type “diskpart”
– type “list disk”
– type “select disk X”, where X is the HDD number where Windows and OSX are installed
– type “list partition”
– type “select partition X”, where X is the number of EFI partition
– type “active”
– type “exit”
– reboot Windows

6. Now you should be able to get back into OSX. You may need to use your boot media again. Once in OSX reinstall Chameleon bootloader. Restart afterward to make sure it is working.

7. Insert your Windows 7 DVD and go to the “Repair my Computer” section, then select “Command Prompt”. Now, once cmd appears, type this command:
– type “diskpart”
– type “list disk”
– type “select disk X”, where X is the HDD number where Windows 7 and Snow Leopard are installed
– type “list partition”
– type “select partition X”, where X is the number of Windows 7 partition
– type “active”
– type “exit”
– reboot

8. Boot your Windows 7 DVD again, go into the “Repair my Computer” again, but instead it comes up with a “Repair and Restart” automatically. Select this and in a few moments it will reboot.

9. Now Windows 7 will boot again. Once you are into Windows 7 again do this steps:

– Open startmenu and in search type “cmd”
– type “diskpart”
– type “list disk”
– type “select disk X”, where X is the HDD number where Windows 7 and snow Leopard are installed
– type “list partition”
– type “select partition X”, where X is the number of the EFI partition.
– type “active”
– type “exit”
– reboot once again

and…

NOW CHAMELEON SHOULD BOOT SNOW LEOPARD AND WINDOWS!

(To boot Windows just hit down or F8 and select your drive.)

Notes: It sounds much harder than it actually is. It was hours and hours of trying to figure it out but now I got it figured out it takes about 10 minutes total, most of it waiting for shit to boot. This is MUCH easier than dealing with BCD or other bootloader crap. And, as a bonus should work with anything else you throw at it.

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Posted by Djarum, filed under Tech. Date: January 28, 2010, 4:46 pm | No Comments »

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