Hello,
Try following the instructions here: http://social.technet.microsoft.com/wiki/contents/articles/18671.bitlocker-troubleshooting-continuous-reboot-loop-with-bitlocker-recovery-on-a-slate-device.aspx
Choose the “Skip this drive” link at the bottom of the page where you are asked to enter the recovery key. You should be presented with a menu that will let you get to a command prompt (The sequence is Advanced options -> Troubleshoot -> Advanced options -> Command prompt).
Once you have a command prompt, use the following command to check the BitLocker status of the C: drive:
manage-bde -status c:
If the status is returned as locked, you’ll need to use the following command to unlock it using your recovery password:
manage-bde -unlock c: -rp <your 48-digit recovery password>
Once the drive is unlocked you'll need to use the following command to suspend protection:
manage-bde -protectors -disable c:
Then exit and reboot. The computer should now successfully boot Windows. Once there, use the BitLocker control panel to resume BitLocker protection.
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