to add to this if you buy 3rd party power supplys to replace genuine they often do not have an earth ( the stub which the cable slide onto is plastic, but the americans barely use earth on the american model of this laptop, and seem to survive.
to add to this if you buy 3rd party power supplys to replace genuine they often do not have an earth ( the stub which the cable slide onto is plastic, but the americans barely use earth on the american model of this laptop, and seem to survive.