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Hi, I read this and i hoped it would be okay to ask a question. I have an old motherboard that is unable to boot usb devices in EFI mode. Which means it only boots hard drives and cd/dvd in efi mode. As i have encountered some issues with dvds and i don't like them in general i decided to use hard drives as installation media. However, the Manjaro linux iso is set to boot both modes. As it is based on grub i decided to try my luck asking help on grub forums, which apparently is not present so here i am. Long story short I would very much appreciate it if you could tell me which files and folders one needs to remove from grub bootloader to destroy it's capability to boot on legacy BIOS firmware.