????? ????? ?? ??????? ?? ????? ?? ???? ????? ??? ??? ?? ??????? ?? ?? ???? ????? ?? ????? ???? ?? ? ???????? ????? ?? ??? ? ?? ?? ???? ?? ?? ???? ??? ?? ??? ????? ????? ??.In July 2008, HP issued an extension for the Preliminary a single-calendar year warranty to interchange the motherboards of chosen styles.[157] However this selection wasn't pro