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Amiriooim's avatar
Amiriooim
Iron Contributor
Mar 25, 2025

"Reboot and select proper boot device" error ?

I am just trying to install a clean version of Windows 11 and I keep getting that error. I know my bootable usb stick works because I have used it on other computers plenty of times. I tried disabling and enabling fast boot, CSM, changing boot order and it still gives the following error. Please help.

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  • DessiJ's avatar
    DessiJ
    Copper Contributor
    Apr 10, 2025

    Apart from what HoldenStorm said, another issue could be secure boot. You mentioned fast boot but not secure boot. Whenever I have problems with usbs, it's usually secure boot.

  • HoldenStorm's avatar
    HoldenStorm
    Iron Contributor
    Apr 10, 2025

    Sometimes certain USB ports may have issues. Try plugging the USB stick into a different USB port, preferably a USB 2.0 port rather than a USB 3.0 port, as compatibility issues can occur.

    • hoodness's avatar
      hoodness
      Copper Contributor
      May 12, 2025

      Are there any ports incompatible with Windows but are compatible with Ubuntu? I can get Ubuntu booting off a USB stick but I have not been able to get the Windows 11 downloaded from Microsoft to boot no matter what settings I do or how I create the stick

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