"System doesn’t have any USB boot option" when trying to boot from USB on a windows 8 acer aspire ES-15.

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I believe the USB is formatted correctly with FAT32, though I can switch to NTFS is you think it would help. The advice I've received has been to disable secure boot in the BIOS, which I've done. I've also edited the order to place the usb first, it's not working.

Legacy mode does not work either.

Some instructions I've read tell me to disable secure boot, while also enabling Legacy ROM which honestly I have no idea about and isn't showing up. The regular Legacy mode in BIOS does not give the option to disable secure boot.

Any advice? This is bugging me to no end.

Posted Mar 26, 2020, 3:02 PM UTC

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Dragennd1•

What OS are you trying to boot? FAT32 is almost never used as a boot format.

1
extraextra45OP•

I'm trying to boot ophcrack to recover my windows password.

https://www.youtube.com/watch?v=I8fAIaB9hOQ&list=WL&index=4&t=301s

I'm following this videos instructions but they dont address what to do in this case. He does specify that he wants to specifically use FAT32 though.

1
Dragennd1•

Turn on legacy boot and manually select usb storage as your boot medium. That should force it to look there first and if it still doesn't work then you know there is a problem with the setup of your flash drive.

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extraextra45OP•

usb fdd or usb hdd?

I think I already did the straight legacy boot but i'll try again.

If the problem is with my flash drive then should I switch to NTFS?

1