When I start my computer it starts normally. The fans start and the komplett logo comes up on the screen (komplett is a company that builds computers in Sweden) but after that the screen just turns completely black and the windows logo doesn't show but the computer is still running. I have tried to click ESC f2 f10 f12 and all other buttons there is to see if I can open the boot menu but the only thing I can open is the motherboard menu with the delete button. I haven't found a solution anywhere and I am hoping that I can get help from someone at this forum