Windows 8 and 8.1 Forums


BitLocker - Turn On or Off for OS Drive in Windows 8

  1. #20


    Posts : 959
    Windows 8.1, 10


    I think I understand it now.

    I believe Pervasive Device Encryption will bring disk encryption to all editions of Windows, including 8.1, but you need to have certain hardware features that Microsoft calls "InstantGo".

    These will presumably appear on computers which are manufactured with Windows 8.1, but I'm guessing won't be so common on many computers around today which are being upgraded from earlier versions of Windows.

    So my old laptops won't run it, regardless of which edition I'm running.

    From here:
    Windows 8.1 FAQ - Apps, Security, Virtualization, UEFI | TechNet
    What's new in device encryption?

    Device Encryption, which is based on BitLocker technology and is currently included in Windows RT and Windows Phone 8, will be added to all editions of Windows 8.1. If the device is certified for InstantGo, this capability is available and automatically implemented on the device.

      My System SpecsSystem Spec

  2. #21


    Posts : 22,026
    64-bit Windows 10


    Hello David,

    That's correct. While all Windows 8.1 editions will support this, only PCs that meet certain hardware requirements will actually have Device Encryption.

    Connected Standby or InstantGo, is where Windows can be turned on and off instantly like a smartphone. Pretty neat stuff.
      My System SpecsSystem Spec

  3. #22


    Gdańsk
    Posts : 7
    Windows 8.1 Pro (64-bit)

    Upgrade of Windows 8 and BitLocker


    Hello Brink!

    Is upgrade of Windows 8 (64-bit) (English-US) to Windows 8.1 (64-bit) (English-US) possible when system partition is encrypted with BitLocker?

    Thank you for your response in advance.
      My System SpecsSystem Spec

  4. #23


    Posts : 22,026
    64-bit Windows 10


    Hello Chistianus, and welcome to Eight Forums.

    Sorry, but no. You would need to decrypt your OS drive first. Afterwards, you could decrypt it again if you like.
      My System SpecsSystem Spec

  5. #24


    Posts : 529
    Windows 8.1 Pro


    HI Brink but i don't see any details on my windows 8 pro of this Pervasive Device Encryption? how would i tell if its on??
      My System SpecsSystem Spec

  6. #25


    Posts : 22,026
    64-bit Windows 10


    Quote Originally Posted by TonyB View Post
    HI Brink but i don't see any details on my windows 8 pro of this Pervasive Device Encryption? how would i tell if its on??
    Hey Tony,

    It would have to be a certified Windows 8.1 connected standby (instant on/off) device to have the Pervasive Device Encryption feature.
      My System SpecsSystem Spec

  7. #26


    Posts : 529
    Windows 8.1 Pro


    How do i tell if i have this ?? mine is Alienware x51 first revision?
      My System SpecsSystem Spec

  8. #27


    Posts : 22,026
    64-bit Windows 10


    There's the rub. It's a new feature that I haven't been able to see in person yet. The only way that I would think of is if the PC was able to be instantly turned on or off with no load time like a smartphone, and that it should be listed as a feature of the PC if it was able to do so.

    I would have to say that your PC doesn't support it. This would be more of a feature of a portable PC instead.
      My System SpecsSystem Spec

  9. #28


    Posts : 529
    Windows 8.1 Pro


    yeah i would have to agree as mine boots fast but not instant on lol that would be nice
      My System SpecsSystem Spec

  10. #29


    Posts : 529
    Windows 8.1 Pro


    So should i encrypt my drive i have yet to do so but i was curious if i should do this, and what is best way to do they key USB or just type a password all the time?
      My System SpecsSystem Spec

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BitLocker - Turn On or Off for OS Drive in Windows 8

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