This was indeed run Windows on my Lenovo Y580, but the system settings under Win 8.1 very umständlich.Muß in the network login only that the win finally then Hochfährt.Mein system hung in the "Weather Ap" I ein.Mußte back to win7 back now gehen.Um Weather aufzurufe I go directly to the Firefox explorer into the net and it does not crash my auf.Oder Laptopp tolerate the new Win 8.1 nicht.Mit Win7 I have at least once to provide the opportunity within the system, such as I will also post your own support for True halte.Nur pity that Win 7! But it is nunmal.Gruß Sven.PS-characterized course gibs stars deliver.