BitLocker and USB key. FAT vs NTFS format on USB (and boot times)


  1. AngryMidget
    Posts : 5
    Windows 7 Enterprise 64 bit
       New #1

    BitLocker and USB key. FAT vs NTFS format on USB (and boot times)


    Hi Everyone,
    First post, so bear with me.

    I recently installed Windows 7 Enterprise 64 bit on a Dell Inspiron 530S desktop. I ran BitLocker after a fresh install on a new drive. This computer doesn't have a TPM chip, so I saved the recovery key and startup file on a 4-GB USB stick (NTFS formatted).

    When I booted the computer, it took anywhere between 8-17 minutes to get to the Windows login screen. This was pretty consistent, and very frustrating.

    I was about to give up when I copied the key and startup file to a 1-GB USB stick that was formatted in FAT. No delay whatsoever.

    Is this typical behavior? Would one expect an NTFS-formatted USB to take so long? They were only the two files on it.

    Thanks for any explanation.
    Last edited by AngryMidget; 10 Jun 2012 at 00:20.
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  3. n0th1n9
    Posts : 116
    Vista HP, Vista Ultimate, XP Pro, Seven Ultimate x2
       New #2

    No Problems here with 8Gb formatted with NTFS.
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  4. AngryMidget
    Posts : 5
    Windows 7 Enterprise 64 bit
    Thread Starter
       New #3

    Something else I have just noticed. The USB stick that works without any problems is listed as a Local Disk. The others that I am having problems with are listed as Removable Disk. My BIOS is set up to boot: 1) HDD, 2) Removable Device, 3) CD/DVD

    Is it possible that there is something I need to change in the BIOS, or in the group policy?
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