Now i have the same problem on my Desktop HP.
I think there is some problem with HP.
I have 3 Notebook and 3 Desktop.
1 Notbook HP, 1 Notebook Dell, 1 Notebook Fujitsu.
1 PC Descktop HP, 1 PC Dektop Asus, 1 PC Desktop Fujitstu.
I have problem only with HP, the other computer work fine...
Thank's