Same as the many comments: the monitor turns off and nothing, disconnect and try to reconnect to turn ... It's Monday, Iiyama menvoie another monitor for Wednesday, we'll see what TNT brings. By cons, no problem to contact the service, the warranty is 3 years. I look after. I use to work for the counted etc., so desktop use ... compared to my old Dell monitors 8 years of age, the lifetime before failure 12 months cooled slightly, provided that the service meets its promises ...