Ah, I used to work as at a place that used a load of old PCs for training. Often some would refuse to boot. The solution was a sharp slap on the side of the cas

Ah, I used to work as at a place that used a load of old PCs for training. Often some would refuse to boot. The solution was a sharp slap on the side of the case. I guess these PCs knew they were naughty.... ;)