Assuming he has a powerstrip for his PC unplug him from the wall and plug him into yours, but take a 2nd powerstrip and plug it in yours, plug ext cord into 2nd ps under your desk and bango, instant black screen and no power per your demand
Assuming he has a powerstrip for his PC unplug him from the wall and plug him into yours, but take a 2nd powerstrip and plug it in yours, plug ext cord into 2nd ps under your desk and bango, instant black screen and no power per your demand