Mrs S was on the PC (looking at twitter) and the screen went "odd" (her words) and the screen flashed and had lots of black & white horizontal lines (in a sort of 80s retro pc screen). The PC then rebooted.
I seem to remember this happening a few times with our last PC which subsequently died on us, this one's only a year old.
Been having ongoing issues with the windows repair tool which occasionally pops up, even if I go through with the repair mode it sometimes pops up again a few days later - I have heard that this is super-sensitive so not overtly concerned.
Any help or advice appreciated.