How do I check if my computer is in (U)EFI mode?

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  • Boo Khan Ming

    Someone on social.technet.microsoft.com suggested alternative solution under Windows to check if computer has BIOS or UEFI firmware.

    He typed bcdedit in the command prompt (elevated as Admin), and press Enter.

    If it was Winload.exe then BIOS, else if it was Winload.efi then UEFI firmware.

    Credits: jrv

     

     

    PS > bcdedit

    Windows Boot Manager
    --------------------
    identifier {bootmgr}
    device partition=\Device\HarddiskVolume1
    path \EFI\Microsoft\Boot\bootmgfw.efi
    description Windows Boot Manager
    locale en-US
    inherit {globalsettings}
    default {current}
    resumeobject {8171f355-fbfd-11e5-a756-df3f3ed0f25e}
    displayorder {current}
    toolsdisplayorder {memdiag}
    timeout 30

    Windows Boot Loader
    -------------------
    identifier {current}
    device partition=C:
    path \windows\system32\winload.efi
    description Windows 10
    locale en-US
    inherit {bootloadersettings}
    recoverysequence {6c851fc0-fc04-11e5-b910-4845203dd7b2}
    recoveryenabled Yes
    isolatedcontext Yes
    allowedinmemorysettings 0x15000075
    osdevice partition=C:
    systemroot \windows
    resumeobject {8171f355-fbfd-11e5-a756-df3f3ed0f25e}
    nx OptIn
    bootmenupolicy Standard

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