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Re: legacy-bios and uefi boot usb stick

From: Pascal Hambourg
Subject: Re: legacy-bios and uefi boot usb stick
Date: Sun, 14 May 2017 18:42:40 +0200
User-agent: Mozilla/5.0 (X11; Linux i686; rv:45.0) Gecko/20100101 Thunderbird/45.8.0

Le 14/05/2017 à 15:25, John Frankish a écrit :

After videoing the screen, I see that the error message is:

Error: file '/EFI/BOOT/grub/i386-pc/efi_gop.mod' not found
Error: no suitable video modes found

efi_gop* is in i386-efi and x86_64-efi, but not in i386-pc.

efi_gop is a driver for EFI graphics. It is available only in EFI mode, not in PC BIOS mode. I guess GRUB PC and GRUB EFI share the same grub.cfg config file which was generated for EFI mode and includes an "insmod efi_gop" command.

Indeed - I set the second partition bootable and now it will boot in 
legacy-bios mode - thanks

So the message was displayed by the BIOS which is non compliant. A compliant BIOS should not care about the partition table.

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