Bitlocker is not asking for PIN when starting computer

I configured Bitlocker on my Win 7 Ultimate machine.  Bitlocker is working properly with one exception.  The computer does not ask me for a PIN when I turn on the computer.  Prior to setting up Bitlocker, I did NOT go into gpedit and "Enable" Require additional authentication at startup with Require Startup PIN with TPM selected.  I did this step after the drive encryption was finished (when I realised no PIN was being requested).  How do I get my machine to request a PIN when I start the computer?
Roger_DogerAsked:
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curua2008Commented:
you will have to decrypt the drive and re-encrypt it again to make the new change take effect in this case
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curua2008Commented:
there's another way to enable PIN for your bitlocker partition. You can use manage-bde command with the following syntax

manage-bde –protectors –add [<Drive>] -tpmandpin

It will prompt you for the new PIN and add it into the current encrypted volume. You will not have to decrypt and encrypt it again.

http://technet.microsoft.com/en-us/library/ff829848%28WS.10%29.aspx
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