Specifically, most of the old computer models supports Legacy BIOS while the modern computer like Windows 8/10 uses UEFI boot mode.

Windows 10 bootable USB not working issue may be caused by wrong boot mode or file system. Easier way to create Windows 10/11 bootable USB.5 fixes to Windows 10/11 not booting from USB.How do I know if my USB drive is bootable in Windows 10/11?.Why Windows 10 bootable USB not working?.Please click the anchor text to get what you want quickly. Also, you can choose to replace the corrupted or damaged bootable USB with an easier way. If you happen to be in a similar situation, you could stay for a while to learn more about Windows 10 bootable USB not working and then fix the error with given solutions. It seems like it's not even recognizing it (it's not showing the USB's name in the boot menu). I've tried changing boot order, or manually selecting USB with no positive result. When I try booting from USB, the laptop ignores it and continues booting Windows. I've formatted the USB (tried MBR and GPT), and restored the ISO using Windows 7 USB/DVD Download Tool. I'm having problem with my Toshiba L875-S7308 where I cannot boot my USB while in UEFI mode.

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