Windows 10: UEFI usb windows 10 detected as legacy

Discus and support UEFI usb windows 10 detected as legacy in Windows 10 Ask Insider to solve the problem; I have a dell latitude, i disabled secure boot uefi, i downloaded windows 10 1909 and used rufus to create usb bootable device with GPT uefi, and ntfs... Discussion in 'Windows 10 Ask Insider' started by /u/BriggsOfLimbo, Dec 8, 2019.

  1. UEFI usb windows 10 detected as legacy


    I have a dell latitude, i disabled secure boot uefi, i downloaded windows 10 1909 and used rufus to create usb bootable device with GPT uefi, and ntfs (the only options avaible)

    But when i go to the boot loader with F12, my usb is detected as an uefi device !

    what can i do please ?

    submitted by /u/BriggsOfLimbo
    [link] [comments]

    :)
     
    /u/BriggsOfLimbo, Dec 8, 2019
    #1
  2. Avocado Win User

    UEFI or Legacy?


    Depending how the Windows 10 install media is booted (UEFI or Legacy BIOS) Windows Setup creates either GPT or MBR partition style on the hard drive.

    First, check the file system of the USB flash drive.

    The file system of the USB flash drive must be FAT32 if you want to install Windows 10 in UEFI mode.

    USB Flash Drive - Create to Install Windows 10

    Option One: Use Media Creation Tool to create Bootable Windows 10 USB for Legacy BIOS and UEFI
    Option Two: Use "Rufus" to create Bootable Window 10 USB for Legacy BIOS and UEFI
     
    Avocado, Dec 8, 2019
    #2
  3. jebediah Win User
    UEFI or Legacy?


    So i went for a clean Windows 10 installation on my Aspire E13.
    To boot from USB i had to switch from UEFI to Legacy, otherwise the USB drive would not be listed.

    However. After the installation was finished my touchpad was not even recognized, i mean, i was not even listed in the device manager, so i read somewhere on the Acer forum that switching back to UEFI would solve this problem.
    Well, i switched back to UEFI and now when the laptop start i recieve a message that says -No bootable device found!

    Even if i try to use my bootable USB drive, the list is empty.
    So i switched back to Legace again and guess what. Windows 10 starts like there was no problem.

    So, what's the different between UEFI and Legacy? The bios tells me -Use UEFI on Win 8 and above to use all the benefits.
    And why oh why can't i boot up from a existing and working Windows 10 drive using UEFI?
     
    jebediah, Dec 8, 2019
    #3
  4. 72westy Win User

    UEFI usb windows 10 detected as legacy

    Legacy to UEFI

    I'm debating moving to UEFI form my now legacy BIOS (Award Software Int.) the mother board is a GA-Z68XP-UD3 rev1.0 on the the following link it shows a UEFI BIOS U1J )UEFI BIOS)

    GA-Z68XP-UD3 (rev. 1.0) | Motherboard - GIGABYTE Global

    Currently I'm running the legacy F10 BIOS. Does installing the UEFI BIOS automatically take care of everything to get to the UEFI BIOS? Installing the UEFI BIOS following the instructions using the Q-flash method GIGABYTE How to Reflash Motherboard BIOS

    What's steps do I take and in what order?

    Much appreciated
     
    72westy, Dec 8, 2019
    #4
Thema:

UEFI usb windows 10 detected as legacy

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