I made a bootable drive with Etcher on my Mac. I followed the instructions to erase and properly partition the USB flash drive. It is MS-DOS FAT 32 with a GUID partition scheme.
When I try to boot or check for errors I get a black screen as shown below with the errors listed in the title:
[ 8.608429] Couldn't get size: 0x800000000000000e [ 8.608453] MODSIGN: Couldn't get UEFI db list [ 8.626775] Couldn't get size: 0x800000000000000e
In that order. I have tried on two different USB drives so far. I made sure to eject the disk when prompted to initialize or eject after Etcher finished installing and validating the ISO. The ISO was downloaded from Ubuntu's page. It is 18.04.1-desktop-amd64.iso
I am using a late 2011 Macbook Pro Laptop. Is the ISO possibly the wrong format for my device?
Also when I select the option to boot on restart I get two EFI boot options, both of which do the same thing.
I had the same issue with:
AMD Athlon 200GE Dual-core MSI B450I Gaming Plus AC
I followed this guide to install Elementary OS, should be the same with Ubuntu
Once installed I used the same nomodeset to boot into Elementary OS
Once booted in I updated the kernel to 4.19 using this guide
I had no more issues after that