Intel with 4-core i7,
Intel HD graphics and discrete AMD Radeon HD 6770[/glow]
[font=Century Gothic]After pressing power button blank screen, fan spinning, no caps lock codes[/font]
[font=Georgia][glow=red]Reflashed BIOS and KBC (see attached files). Than I get image on screen and booted to windows.
[/glow][/font][font=cursive]but I found both USB 3.0 ports not working
, no power on connectors 
[/font][font=Comic Sans MS][glow=red]so changed U13 /G547I, and now everything works well.[/size][/glow][/font][/b]