Hey Tim, > I successfully installed GNU Guix. > > The work around I used for this bug is I simply ran `sudo dd > if=/dev/zero of=/dev/sda`. Basically, I think the existence of an old > GPT partition table is causing problems on a new install though I'm not > sure why. Nice you found a work-around. I think I already hit this issue myself without being able to reproduce it. Do you remember what was the previous GPT layout of your drive? Maybe the distribution previously installed? Thanks, Mathieu