I had this issue after running the Bitlocker Drive Preperation tool.
After this i ended up with two partitions:

C: Partition of 1,5 GB (for boot files)
D: Partition of 148 GB (Windows and everything)

My BCD (former boot.ini) showed the right stuff but somehow my Windows still wouldn’t boot.
After starting up with a Windows Vista install CD and choosing “Repair my computer” I could access a command prompt.

After executing bootrec /fixboot my machine booted properly and my machines is bitlocker ready 😉

2 Responses to “Windows Vista gives you a “Missing operating system””

1. Sarah Clark Says:
   May 20th, 2010 at 19:47

   For me, the best operating system is Linux because it rarely hangs.’;-

2. BG mail Says:
   October 8th, 2011 at 0:28

   I do consider all the concepts you have introduced in your post. They are really convincing and will certainly work. Nonetheless, the posts are very brief for novices. Could you please prolong them a bit from subsequent time? Thanks for the post.

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