I've got an old laptop from 2012 that i have used until now. For some reason it wont work anymore even though i used it earlier the same day. One week ago i upgraded from windows 7 to windows 8.1 and it didn't seem to have an problems. Here the specifications and a video. https://imguh.com/image/EMzKM
View: https://youtu.be/nTJkmuOH9KY