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I'm trying to install Windows 7 with a TrueCrypt System Drive encrypted partiton along with Mac OS X and probably using rEFIt as the boot loader. So far I've tried several approaches:

  • Install Windows first, encrypt, everything is working fine. Can't install Mac OS X because the partition table is not GPT.

  • Partition with Mac OS X install disk, making one partition for Mac OS X and leaving the rest, at the beginning, empty. Can't install Windows because the partition table is GPT.

  • Install Mac OS X, install rEFIt, install Windows. Can't encrypt because there are not 32kb free at the beginning of the hard disk.

  • Partition with Mac OS X install disk, making one partition for Mac OS X and leaving the rest, at the beginning, empty. Start rEFIt from the CD, synchronize partitions. Install Windows on the empty space. Can't encrypt because there are not 32kb free at the beginning of the hard disk.

  • Partition with Mac OS X install disk, making one partition for Mac OS X and leaving the rest, at the beginning, empty. Start rEFIt from the CD, synchronize partitions. Install Windows on the empty space. Re-sync the partition table with rEFIt. Missing operating system.

Is there any way to make it work?

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Quick question: is this a Macintosh of some sort you're working on? –  David Thornley Feb 9 '10 at 15:01
    
Yes, it's a MacBook Pro. –  Pablo Feb 10 '10 at 1:42
    
It's not really a solution, because it doesn't use TrueCrypt and depend a USB drive, but this is what I ended up doing: superuser.com/questions/78773/encrypting-c-users-on-windows-7 –  Pablo Feb 10 '10 at 1:48

5 Answers 5

The main issue seems to be the format of the partition table. If this isn't a laptop, the perhaps the simplest option would be to put Truecrypt/Windows on one disk, and OSX on a second?

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It is a laptop, but I'm planning to use Mac OS X through USB or Firefwire, I can't find a better solution. –  Pablo Aug 17 '09 at 20:15

I know you can force OS X to boot from a MBR partition, as people do it on hackintoshes, but I don't know if it will work on an actual mac. Here's a forum post telling you how to do it (Parts B&C)

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Is it possible you could use a third party programme such as Acronis Disc Director to partition the drive and provide a menu to select your desired OS from ? I've done a similar thing with a lap top that ran Windows XP, Ubuntu, Fedora and BSD6 as operating systems, each on its own partition. My data were stored on two separate Truecrypt encrypted partitions, accessible to whichever of the OS was functioning at the time. I haven't tried running a similar system on OS X, though may do so in future !

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up vote 0 down vote accepted

My solution was to use BitLocker with an USB key instead of TrueCrypt.

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I faced the same issue and found a solution that works. I now have a system encrypted Windows partition, an encrypted data partition and a Mac partition, running Windows 7 and Mac OS X. See my solution here: http://blog.claesbrandt.dk/?p=80. Hope this helps. I know it is 5 months ago, but better late than never :)

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The fact the post has been updated to add the new URL shows the problem with link only answers. Copy the relevant part of the answer into your post and I'll remove the -1 –  Dave Apr 4 at 13:43

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