My daughter is gone on holiday overseas and had left her laptop home in her unit. When I went to Skype yesterday, I noticed the online green light next to her name. I tried to ring her thinking that maybe she was back home but could not hear any ringtone. I am sure she switched off her laptop before leaving. My question is: is it possible that even if her laptop was switched off and I try to skype her, the online green color next to her name can be displayed?