Saltgrass
4 Germanium

RE: Dell Inspiron 15 5567 Can't disable Secure Boot to boot from USB drive

You do not need to disable Secure Boot.  You need to configure your Boot USB drive correctly so it will boot and be able to reinstall or repair your UEFI system.

Rufus has to format the drive as FAT32 for it to work with UEFI.  It then copies files from the .iso file.  I have never used Rufus but if you set it correctly, it will work and you will be able to see the drive in a F12 Boot Device menu.

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XPS 2720, Inspiron 17 7779, Inspiron 15 7567, XPS 13 9365, Inspiron 1545, TB16 Dock

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