????? ????? ?? ??????? ?? ????? ?? ???? ????? ??? ??? ?? ??????? ?? ?? ???? ????? ?? ????? ???? ?? ? ???????? ????? ?? ??? ? ?? ?? ???? ?? ?? ???? ??? ?? ??? ????? ????? ??.In July 2008, HP issued an extension into the initial a single-yr warranty to replace the motherboards of selected products.[157] Nonetheless this option wasn't prolonged to all