How to enable fast boot on PC


  1. DaChi
    Posts : 1
    Windows 10 64 bit
       New #1

    How to enable fast boot on PC


    I recently got a new mobo with UEFI support. I'd like to enable fast boot but msinfo32 still tells me the BIOS is set to Legacy. Is there any good way to change this without reinstalling Windows?
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  3. Brink
    Posts : 68,959
    64-bit Windows 11 Pro for Workstations
       New #2

    Hello DaChi, and welcome to Ten Forums. :)

    If you like, you could use the method in the tutorial below to convert from Legacy BIOS to UEFI without data loss. I would still recommend to backup anything that you do not want to lose to be safe though.

    Convert Windows 10 from Legacy BIOS to UEFI without Data Loss Installation Upgrade Tutorials

    After you are using UEFI, you can enable Fast Boot.

    Enable or Disable Fast Boot in UEFI Firmware Settings for Windows Performance Maintenance Tutorials
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  4. SoDiMm
    Posts : 284
    Windows 10 Pro 64-bit
       New #3

    Doesn’t fast boot lock the drive on shutdown, meaning if windows won’t boot, you won’t be able to just boot off a repair disk or install it into another PC for data retrieval?
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  6. cereberus
    Posts : 15,485
    Windows10
       New #4

    vram said:
    Doesn’t fast boot lock the drive on shutdown, meaning if windows won’t boot, you won’t be able to just boot off a repair disk or install it into another PC for data retrieval?
    No. You can always use a live linux drive for example.
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  7. SoDiMm
    Posts : 284
    Windows 10 Pro 64-bit
       New #5

    cereberus said:
    No. You can always use a live linux drive for example.
    You sure?

    “When you shut down a computer with Fast Startup enabled, Windows locks down the Windows hard disk. You won’t be able to access it from other operating systems if you have your computer configured to dual-boot. Even worse, if you boot into another OS and then access or change anything on the hard disk (or partition) that the hibernating Windows installation uses, it can cause corruption. If you’re dual booting, it’s best not to use Fast Startup or Hibernation at all.“

    Taken from here:
    The Pros and Cons of Windows 10 Mode
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