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USB drive no longer bootable under UEFI

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  3. USB drive no longer bootable under UEFI

User Info: Gabrezu

4 years ago#1
Hi, my father just bought a cheap gateway laptop and I'm trying to do my usual stuff on new computers, which is basically cleaning it from bloatwares and make a clone of the OS disk. I have my usually tool, which is a bootable USB drive with Acronis the backup tool on it. The USB is made using YUMI from

(actually, it is made from an older tool called Multiboot ISO which is also using Grub4Dos or Syslinux for booting.)

From the boot menu of my Gateway laptop, there was no option for the USB boot drive, the only option was Window Boot Manager or something like that. In the BIOS, I could change booting from UEFI to legacy and I would be able to boot from the USB and start Acronis. Inside Acronis, it wouldn't detect the any partition, but I think that's because I need to update Acronis.

So, the question is, how can I make a bootable USB that works with UEFI?

User Info: Orestes417

4 years ago#2
You need a UEFI capable bootloader, which means you're probably going to have to update or patch your Arconis.
If they asked how I died tell them: Still angry.
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