Atreides

@pittnetThanks so much, you were absolutely correct. My bios was doing some weird things and I've managed to correct it thanks to you.

I followed the guide by @Peter Suh for the DS3615+ (the one from a few hours ago) and no matter what I do the USB gets some kind of boot error. I only saw one other user mention this error in the forum and he seems to have got past it but I can't see any record of how. Loading Operating System ... error: symbol 'grub_disk_native_sectors' not found Entering rescue mode... grub rescue>