Have you tried plugging in an external monitor to see if the bios comes up and boots normally? It could be an overheating problem, a video driver or bios related problem or just a faulty screen. Plugging in a friends monitor would narrow the problem down for you as if the graphics card works on the monitor then you know it's more likely the screen.
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i try already to the external monitor and it seems that there is aproblem in a screen. Still the bLACK screen display. The bios won't appear....
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