https://www.youtube.com/watch?v=aNR7JZYl2PEhttps://www.youtube.com/watch?v=mEKeJ3KXQpEwww.itnews.sk/ako-na-to/2013-10-29/c159510-ako-na-to-ako-ziskat-heslo-do-bios-u-pri-vacsine-notebookovhttps://www.google.sk/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&ved=0CCkQtwIwAWoVChMIzYilgIn5xwIVwYwsCh0W9AY5&url=http%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DJfAgI801yjU&usg=AFQjCNGPO0E_pMkMJ_eJtOZC-R8p54YPSg&cad=rja