My mbr changed and wants the recovery key to boot. I printed the key and the last four digits are missing so I am stuck. Is there any way to recover (get the drive to boot)? If not is there anyway to recover data? I'm running Win 7 Ultimate 64bit thanks...

If you do not have the key of the drive that has been encrypted by Bitlocker, you cannot access data in the drive anymore. Therefore you may delete that drive and re-format it to get make the drive available again. After you delete the Bitlocker drive, you are able to run Startup Repair to boot into the system. If you would like to reinstall the system, I suggest you just install without re-format the whole drive. After reinstalling the previous system will be stored into a folder named Windows.old. You can restore data from that folder. How to restore your personal files after you perform a custom installation of Windows Vista or of Windows 7 However if you just want to re-format everything and reinstall, I suggest you boot with your installation DVD backup your personal profile with USMT. Then restore the profile after installing the new system. User State Migration Tool 4.0 User's Guide Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.