Hi, I have a problem after the boot my VDU screen disapers. I see the BIOS info and the loading of windows but then the VDU goes blank. So it's not the grafics card. Anyone any idea? Is there a shortcut keycombo like on al laptop? FN+ f1,2,3,4,5,6,7,8,9,0 to toggle the screen. Because i think the gr...