On Jun 10, 2018, at 23:05, Dave Horsfall wrote: > Sanitised version attached; it's a bit out of date, but the hardware has not changed. > > I'll attempt another High Sierra upgrade later, when I have a few hours to spare, and report back. > > -- Dave<MacBook.rtf> Ok, so you have the MacBook6,1. That is supposed to be supported by High Sierra.