Zdravim vas.dnes jsem poustel pc ale bez uspechu.po vcerejsich aktualozacich na w7 se pocitac nespusti. Vypise jen hlasku:the system found unauthor changed on the firmware operating system or uefu drivers.press N to tun the next boot device or enter directly to bios setup if there are nother boot devices installated.go to bios setup advanced boot and change the current boot device into others secured boot devices. Nevite prosim co s tim?s pocitacem se nic nedelalo.zadna cisteni ani mechanicky ani sofrwarem do vcera do aktualizaci jel normalne.dekuju za rady ci pomoc