????????? ???? ????? ??? ?? ?? ????? ????? ???? ???? ?? ?? ????? ?? ???? ?? ??? ??????? ???? ? ????? ??????.In July 2008, HP issued an extension towards the initial 1-year guarantee to exchange the motherboards of chosen designs.[157] Nonetheless this option wasn't extended to all models with the faulty Nvidia chipsets, Inspite of study showing tha