I've noticed this too, but just ignored it. I don't think it's static in my case because it goes on as long as I keep touching the discs. I'd love to know what's up too. Wai On Jun 6, 2004, at 2:38 PM, Michael Railton wrote: > I've had the same thing happen to me. > > The only thing I can think of is that it is a build up of static. > >> I noticed today, that when working with my iBook (dual USB) on my >> lap, it is shocking me when it is plugged in. >> >> This may have been going on for some time, I live in Michigan, and it >> is just getting warm enough to wear shorts. >> >> The shocks are coming from the four metal discs at the corners. It >> goes away when I unplug the power source...but it just doesn't seem >> right. >> >> Has anyone experienced this? >> >> Any ideas?