Booting secure boot PC from thumb drive vs CD

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  1. Posts : 6
    Windows 10
       #1

    Booting secure boot PC from thumb drive vs CD


    Secure boot is enabled on my laptop. My Aomie boot CD will boot without turning secure boot off. However, if I burn the Aomie ISO to a USB thumb drive using Rufus, it will only work with SB turned off. Just wondering why the difference. Thanks for your help.
      My Computer


  2. Posts : 1,169
    win10 home
       #2

    Try making a bootable usb using the win 10 tool,instead of Rufus and see if it works normally.The win method is idiot proof,which is why I use it.
      My Computer


  3. Posts : 6
    Windows 10
    Thread Starter
       #3

    Thanks for the suggestion. Nothing seems to work. Maybe it's just the way the HP bios works?
    No big problem, but just curious.
      My Computer


  4. Posts : 7,134
    Windows 10 Pro 64 bit
       #4

    I have no problem booting UEFI bootable USB drives made by the Media Creation Tool or Macrium Reflect on my Dell & HP laptops and home built desktop PCs
      My Computers


  5. Posts : 29,076
    Windows 10 21H1 Build 19043.1023
       #5

    WayneD said:
    Secure boot is enabled on my laptop. My Aomie boot CD will boot without turning secure boot off. However, if I burn the Aomie ISO to a USB thumb drive using Rufus, it will only work with SB turned off. Just wondering why the difference. Thanks for your help.
    I've just been through that one! Had me questioning my sanity, it did!

    What I found is that in order to boot from the flash drive:

    If the flash drive is formatted as FAT 32, I don't have to turn off Secure Boot.

    If the flash drive is formatted as NTFS, I must turn off Secure Boot.

    What seems to have happened is that Rufus now formats the flash drive to NTFS, instead of leaving it at FAT 32. Rufus also tells me the flash drive won't boot unless I turn off Secure Boot.

    BTW, welcome to TenForums.
      My Computer


  6. Posts : 6
    Windows 10
    Thread Starter
       #6

    Tried formatting Rufus with Fat 32. Still no joy. But thanks for your suggestion.
      My Computer


  7. Posts : 27,666
    Windows 10 Pro x64 Version 21H1
       #7

    One last thing, does your BISO have Fast Boot, or similar name. Not to be confused with Windows Fast Startup.

    Try shutting of Fast Boost as a test.
      My Computer


  8. Posts : 29,076
    Windows 10 21H1 Build 19043.1023
       #8

    Caledon Ken said:
    One last thing, does your BISO have Fast Boot, or similar name. Not to be confused with Windows Fast Startup.

    Try shutting of Fast Boost as a test.
    Ummm, Ken ... BISO? @WayneD, just in case you didn't interpret Ken's fast typing typo, it's BIOS.
      My Computer


  9. Posts : 1,169
    win10 home
       #9

    Why do you persevere with Rufus when Win 10 media creation tool uses data specific to your installation?
      My Computer


  10. Posts : 29,076
    Windows 10 21H1 Build 19043.1023
       #10

    joeandmarg0 said:
    Why do you persevere with Rufus when Win 10 media creation tool uses data specific to your installation?
    Because it doesn't work for me? Simple as that.
      My Computer


 

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