The SSD is set to ACHI (whatever it is, it was automatically set). Secure boot is set to Other OS (only other choice).

Linux only. No Windows. Hate Windows. No dual boot. Microsoft hasn't touched my computer in years. Windows can suck it.

I formatted both SSD and HDD drives to GPT.
- Corsair 30GB SSD (putting / and swap on here)
- Old, ~300GB HDD. No problems with the drive have been found. (putting /home here)

The live Mint USB isn't corrupt. I did the checksum before installing, and have done multiple checks on the USB before booting.

Installing Mint in UEFI mode is resulting in "grub-efi-amd64-signed failed to install into /target/". Any forum I found on this error has not had a solution compatible with my problem. That package doesn't appear to exist. The installer will fail upon this message occurring. I have an internet connection. It's hardwired... (insert Metallica reference here). I can cruise the interwebs during the live boot.

Installing Mint in legacy, not UEFI, is resulting in no OS being found.

- 18.1 Cinnamon (3.2.6) 64-bit
- AMD FX-8350 8 core x4
- AMD/ATI Turks XT, Radeon HD 6670/7670

I am not sure what the hell is going on anymore.


Creating an EFI System partition with FAT32 on the SSD (where it's booting) worked.

From this answer: https://askubuntu.com/a/891904/221847

  • I can confirm this works on a non-SSD hard disk as well. I installed it without any internet connection. – Ade Malsasa Akbar Oct 7 '18 at 13:07

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