On 5/25/23, Spencer Collyer <spencer@xxxxxxxxxxxxxxxxxxxxxxx> wrote: > Hi, > (...) > I'm hoping it's not a hardware fault - I'm not a hardware hacker. > Hopefully the fact it ran fine for six weeks means the hardware > shouldn't be the problem. > > Any further ideas gratefully received :) Hi, Spencer, have you looked for any video-drivers issue? I have some recollection of similar graphical symptoms caused by GPU drivers issues... Maybe switching to a more basic video support could allow you to diagnose something... Hope it helps, best of luck!