I keep getting "Booting from 'Ubuntu' failed: verify it contains a 64-bit UEFI OS." error message

why does it say ‘Google Cip’ for the device name? did you screw with the HWID?

i think yes…it’s a problem ?

it’s not a good thing. Why did you change it? The script tells you not to fuck with it if you don’t know what you are doing, and that’s clearly the case here. Set it back to BOBBA360.

as for the booting from eMMC issue, can you use Boot Manager and boot from EFI/BOOT/BOOTX64.EFI on the EFS partition? Does the file exist?

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OK, I’ll try to put it back together, but when I go to eMMC, I get the following image.

I think it was because I was installing an OS via the terminal and “broken” the BIOS boot. I was wondering if I need to flash the hardware.

Have you seen the UEFI mapping image?

I don’t understand what you’re trying to say here.

the error means that there is no EFI bootloader on the disk that it can find, so I’m asking you if it actually exists – can you boot from it manually

No, by selecting the eMMC it doesn’t boot and I don’t think it exists, how do I fix it?

I have installed LBuntu multiple times on the internal memory but it doesn’t detect the disk at startup.

The installation sees it, it’s the BIOS that’s not working, if I can make you understand what I mean.

you established that in the OP. I didn’t ask that, I asked if you were able to boot from file using Boot Manager, if the EFI boot file actually existed.

that’s incorrect, the Boot Menu shows the internal eMMC. It is most defectly detected.

we don’t know that, which is why I asked if the EFI on-disk bootloader actually exists.

I am asking you to go to Boot Manager, Boot From File, select the first partition shown, then see if the file/path EFI/BOOT/BOOTX64.EFI exists. That’s how UEFI booting works when no alternative path is specified. If it exists, try to boot it. If it doesn’t, but an alternative path like EFI/UBUNTU/GRUB.EFI exists, use that

OK, I managed to get it started, and it’s rebooting even though it starts more slowly than before, but I hope I’ll understand this over time.

Thank you very much, especially for your patience and immediate responses, and I apologize for my awful English (thanks to the translator). It seems to be starting again now; I caused all this by following yet another online guide and, being a newbie, I made a mess.

I’m using Lbuntu as the distro, but I would like to use something else on this Chromebook because of the slowness and the battery.

Do you have any advice? (Otherwise, I’ll go to another section to ask everything)