Windows 8 and 8.1 Forums


Bitlocker - automatic repair loop on setup?

  1. #1


    Posts : 2
    Win8.1

    Bitlocker - automatic repair loop on setup?


    Running windows 8.1 on an Asus G56JR laptop. UEFI BIOS and UEFI boot. The laptop has no TPM.

    Im trying to configure bitlocker on the laptop. Since ive got no TPM chip ive used policy edit to enable password authentication.

    On going into BitLocker and turning it on the menu works happily, i select the drive, a passkey, back up the key to a USB stick and it then runs the system check and all passes. I get the "restart to encrypt" box as expected.

    After restart i get the bitlocker screen along with a request to enter my password.

    I enter the password (verified 100% correct, no typos). Once ive hit enter the computer restarts itself completely and im back in the bitlocker password screen. This happens with the USB recovery stick in and out and the password is verified correct.
    Pressing Escape to troubleshoot bitlocker also just reboots the machine and back into the bitlocker password prompt screen.

    After a few attempts at that the computer gets stuck in a "Preparing to automatically repair" boot loop. It just hangs on that screen, a reset goes straight to that, no more bitlocker screen, no F8 rescue, nothing.

    The only way out of it is to physically remove ALL my USB devices (mouse,keyboard, hub, memory stick) and then Windows boots normally followed by a dialog box saying unable to encrypt device.

    Any idea whats causing this or how i can enable bitlocker on the computer? The drive (SSD) passes all checks and is 100% healthy, the system is up to date and stable outside that but bitlocker just goes into the enter password then automatically repair hangs.

      My System SpecsSystem Spec

  2. #2


    This forum offers several excellent tutorials on Bitlocker setup. At the bottom of each tutorial you will find links to other tutorials relevent to Bitlocker. Perhaps one of these can help you.

    BitLocker - Turn On for Removable Data Drives in Windows 8

    BitLocker - Turn On or Off for OS Drive in Windows 8
      My System SpecsSystem Spec

  3. #3


    Posts : 2
    Win8.1


    Tried those. None of them cover the automatic repair boot loop when trying to turn it on though.
      My System SpecsSystem Spec

  4. #4


    Posts : 454
    Windows 8.1 Pro with Media Center


    Have you tried it with UEFI in legacy mode? NB: This is just a guess, and I have no idea if you can turn UEFI on and off at will and still boot Windows 8. From Microsoft documentation, it will reduce "Secure Boot" to "Trusted Boot", but unless you're prone to getting rootkits, this shouldn't be an issue.
      My System SpecsSystem Spec

  5. #5


    Posts : 12
    Windows 8 Pro Retail


    Quote Originally Posted by gnirtS View Post
    Running windows 8.1 on an Asus G56JR laptop. UEFI BIOS and UEFI boot. The laptop has no TPM.

    Im trying to configure bitlocker on the laptop. Since ive got no TPM chip ive used policy edit to enable password authentication.

    On going into BitLocker and turning it on the menu works happily, i select the drive, a passkey, back up the key to a USB stick and it then runs the system check and all passes. I get the "restart to encrypt" box as expected.

    After restart i get the bitlocker screen along with a request to enter my password.

    I enter the password (verified 100% correct, no typos). Once ive hit enter the computer restarts itself completely and im back in the bitlocker password screen. This happens with the USB recovery stick in and out and the password is verified correct.
    Pressing Escape to troubleshoot bitlocker also just reboots the machine and back into the bitlocker password prompt screen.

    After a few attempts at that the computer gets stuck in a "Preparing to automatically repair" boot loop. It just hangs on that screen, a reset goes straight to that, no more bitlocker screen, no F8 rescue, nothing.

    The only way out of it is to physically remove ALL my USB devices (mouse,keyboard, hub, memory stick) and then Windows boots normally followed by a dialog box saying unable to encrypt device.

    Any idea whats causing this or how i can enable bitlocker on the computer? The drive (SSD) passes all checks and is 100% healthy, the system is up to date and stable outside that but bitlocker just goes into the enter password then automatically repair hangs.
    Make sure in your bios setup that you have USB boot as priority over HDD boot. I had to do this to get it to stop the boot loop.
      My System SpecsSystem Spec

  6. #6


    Posts : 454
    Windows 8.1 Pro with Media Center


    Quote Originally Posted by n0th1n9 View Post
    Make sure in your bios setup that you have USB boot as priority over HDD boot. I had to do this to get it to stop the boot loop.
    Are you using UEFI? I'm not using it on my 8.1 machine, which I've set up for legacy mode. I remove all devices from the BIOS boot list except for my system hard drive and press F8 to get the BIOS to show a pop up menu with boot choices when I want to boot from USB, CD, etc. This had no effect on BitLocker in Windows 8 or 7. So while it might help to change boot device priorities, it shouldn't be necessary to enable anything but the system drive, which I think is a tiny bit more secure, and it's just slightly less convenient those rare times I want to boot from another device.
      My System SpecsSystem Spec

  7. #7


    Posts : 12
    Windows 8 Pro Retail


    If you have fast boot enabled from the bios try to disable it and leave USB drive as the second boot drive. This worked for me.
      My System SpecsSystem Spec

  8. #8


    Oklahoma City, OK
    Posts : 1
    Windows 8.1 Pro w/ Media Center


    I'm having almost the exact same issue. I don't have to remove everything and I never get an unable to encrypt drive message.
    On the 10th computer all setup the exact same way, this one will not start encrypting the drive.
    Lenovo IdeaCentre A730 No TPM, Setup to use password auth, GPedit to allow non TPM setup.
    The process has worked on 9 other units, but this one will not do it.
    Everything works fine from Windows, does its check and reboots. I miss typed the password the first time (Hit the shift key sooner then I meant to, oops) responded invalid, only allowed me to type in half the password the second round. Powered the unit off, and back on typed the password in, hit Insert to show password, verified correct then it loops, asks for bitlocker password again, after two rounds it attempts to load bitlocker recovery but hangs at the UFEI saying its loading automatic recovery, never does anything.
    I use a Windows RE from media to boot up and disable the bitlocker useing the manage-bde commands and the unit boots like nothing ever happened.

    I'm a little lost as to why this one machine is being a pain after 9 other units all setup the exact same did bitlocker flawlessly.

    Any ideas? OP you ever get past this?


    Edit:

    Attempted to reload the suspect, after falling asleep waiting on it... I tested hardware. Hard drive failed SMART Self and Disk testing. Seek Time, haven't verified bitlocker will work yet, but I'm pretty sure the bad HDD was my issue. Waiting on Lenovo to send me a new drive for a 4 month old unit ha.
    Last edited by OmegaJstn; 10 Oct 2014 at 06:41. Reason: Updated Information
      My System SpecsSystem Spec

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